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(continued) ircuit other than the branch circuit supplying the fixture.
(d) Lighting fixtures must be installed as follows:
(1) Each fixture in the weather or in a location exposed to splashing water must be watertight. Each fixture in a damp or wet location must at least be dripproof.
(2) Each fixture and lampholder must be fixed. A fixture must not be supported by the screw shell of a lampholder.
(3) Each pendent-type fixture must be suspended by and supplied through a threaded, rigid conduit stem.
(4) Each tablelamp, desklamp, floorlamp, and similar equipment must be secured in place so that it cannot be displaced by the roll or pitch of the vessel.
(e) Non-emergency and decorative interior lighting fixtures in environmentally-protected, non-hazardous locations need only meet the applicable UL type-fixture standards in UL 1570 through 1574 (and either the general section of the marine supplement or the general section of UL 595), UL 595, or IEC 92–306. These fixtures must have vibration clamps on fluorescent tubes longer than 102 cm (40 inches), secure mounting of glassware, and rigid mounting.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28283, June 4, 1996; 61 FR 36787, July 12, 1996; 62 FR 23909, May 1, 1997]
Subpart 111.77—Appliances and Appliance Circuits
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§ 111.77-1 Overcurrent protection.
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If a circuit supplies only one appliance or device, the rating or setting of the branch circuit overcurrent device must not be more than 150 percent of the rating of the appliance or device, or 15 amperes, whichever is greater.
§ 111.77-3 Appliances.
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All electrical appliances, including, but not limited to, cooking equipment, dishwashers, refrigerators, and refrigerated drinking water coolers, must meet UL safety and construction standards or equivalent standards under §110.20-1 of this chapter. Also, this equipment must be suitably installed for the location and service intended.
[CGD 94–108, 61 FR 28283, June 4, 1996; 61 FR 33045, June 26, 1996]
Subpart 111.79—Receptacles
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§ 111.79-1 Receptacle outlets; general.
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(a) There must be a sufficient number of receptacle outlets in the crew accommodations for an adequate level of habitability.
(b) There must be a sufficient number of receptacle outlets throughout the machinery space so that any location can be reached by a portable power cord having a length not greater than 24 meters (75 feet).
(c) Each receptacle outlet must be compatible with the voltage and current of the circuit in which it is installed.
(d) Each receptacle outlet must be suitable for the environment in which it is installed and constructed to the appropriate NEMA or IEC protection standard as referenced in §111.01–9. Special attention must be given to outlets in hazardous locations.
(e) A receptacle outlet must not have any exposed live parts with the plug opening uncovered.
[CGD 94–108, 61 FR 28283, June 4, 1996]
§ 111.79-3 Grounding pole.
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Each receptacle outlet that operates at 100 volts or more must have a grounding pole.
§ 111.79-9 Transmitting power between receptacles.
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(a) If it is necessary to transmit current in one direction between two receptacle outlets by a flexible cable with a plug on each end, such as a battery charging lead between a receptacle outlet on a ship and a receptacle outlet in a lifeboat, the plug that may be energized when not in the receptacle outlet must be female.
(b) If a receptacle outlet may be used as a source of power and as a receiver of power, such as the receptacles on barges that may have to supply power to adjoining barges in some makeup and receive power from the towboat or adjoining barge in other makeups, the receptacles must be male and reverse service. Plugs of flexible cable must be female and must be at both ends of the flexible lead. The female plug must meet §111.79–7.
§ 111.79-11 Lifeboat receptacles.
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Each receptacle outlet on a lifeboat for connection to a vessel's electrical system must allow the plug to pull free when the lifeboat is lowered.
§ 111.79-13 Different voltages and power types.
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If receptacle outlets on a vessel are supplied by different voltages (e.g., 110 volts and 220 volts) or by different types of power (e.g., AC and DC), each receptacle outlet must preclude the plugging of a portable device into a receptacle outlet of an incompatible voltage or type of power.
[CGD 94–108, 61 FR 28283, June 4, 1996]
§ 111.79-15 Receptacles for refrigerated containers.
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Receptacles for refrigerated containers must meet one of the following:
(a) Each receptacle for refrigerated containers must have a switch interlocked in such a way that the receptacle's contacts are deenergized before the making or breaking of the connection between the plug and receptacle contacts.
(b) Each group of receptacles for refrigerated containers must have:
(1) A switch near the receptacles that disconnects all power to those receptacles; and
(2) A sign stating that the switch should be opened before cables are disconnected from the receptacles or refrigerated containers.
(c) Each receptacle for refrigerated containers must be designed for circuit breaking service.
Subpart 111.81—Outlet Boxes and Junction Boxes
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§ 111.81-1 Outlet boxes and junction boxes; general.
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(a) The requirements of this subpart apply to each outlet box used with a lighting fixture, wiring device, or similar item, including each separately installed connection and junction box.
(b) An outlet box must be at each outlet, switch, receptacle, or junction point.
(c) Each outlet or junction box must have a cover unless a fixture canopy, switch cover, receptacle cover, or other cover is used.
(d) Each outlet box and junction box installation must meet article 370 of the NEC, UL 50, UL 514 series, or IEC Series 92 Publications (e.g., IEC 92–306), as appropriate.
(e) Each outlet or junction box must be securely attached to its mounting and be affixed so as to maintain its designated degree of protection.
(f) Each outlet and junction box must be suitable for the environment in which it is installed and be constructed to the appropriate NEMA or IEC standard.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28283, June 4, 1996]
§ 111.81-3 Cables entering boxes.
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Each cable entering a box or fitting must be protected from abrasion and must meet the following:
(a) Each opening through which a conductor enters must be closed.
(b) Cable armor must be secured to the box or fitting.
(c) Each cable entrance in a damp or wet location must be made watertight by a terminal or stuffing tube.
Subpart 111.83—Shore Connection Boxes
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§ 111.83-1 General.
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Each shore connection box must be of a size that accommodates the connections of the flexible and fixed cables.
§ 111.83-5 Bottom entrance and protected enclosures.
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Each shore connection box must have a bottom entrance for the shore connection cable. The box must provide protection to the shore connection when the connection is in use.
Subpart 111.85—Electric Oil Immersion Heaters
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§ 111.85-1 Electric oil immersion heaters.
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Each oil immersion heater must have the following:
(a) An operating thermostat.
(b) Heating elements that have no electrical contact with the oil.
(c) A high temperature limiting device that:
(1) Opens all conductors to the heater;
(2) Is manually reset; and
(3) Actuates at a temperature below the flashpoint of the oil.
(d) Either—
(1) A low-fluid-level device that opens all conductors to the heater if the operating level drops below the manufacturer's recommended minimum safe level; or
(2) A flow device that opens all conductors to the heater if there is inadequate flow.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28283, June 4, 1996]
Subpart 111.87—Electric Air Heating Equipment
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§ 111.87-1 Applicability.
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This subpart applies to electrically energized units or panels for heating a room or compartment. This subpart does not apply to electrically energized units for heating the air in an enclosed apparatus, such as a motor or controller.
§ 111.87-3 General requirements.
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(a) Each electric heater must meet UL safety and construction standards or equivalent standards under §110.20-1 of this chapter.
(b) Each heater element must be an enclosed type. The heater element case or jacket must be of a corrosion-resistant material.
(c) Each heater must have a thermal cutout of the manually-reset type that prevents overheating and must have a thermal regulating switch.
(d) Each heater for bulkhead mounting must have its top slanted or otherwise designed to prevent hanging anything on the heater. If a heater is portable, it must have a clip or bracket to hold the heater in a fixed position.
(e) The external temperature of a heater enclosing case must not be over 125 degrees C, except that the external temperature of the enclosing case of a flush-mounted heater must not be over 100 degrees C. If a heater is mounted on or next to a deck or bulkhead, the heater must not cause the temperature of the nearest deck or bulkhead to be over 55 degrees C. For test purposes, an ambient temperature of 25 degrees C must be used.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28283, June 4, 1996; 61 FR 33045, June 26, 1996; 61 FR 36608, July 11, 1996]
Subpart 111.91—Elevators and Dumbwaiters
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§ 111.91-1 Power, control, and interlock circuits.
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Each electric power, control, and interlock circuit of an elevator or dumbwaiter must meet ANSI/ASME A17.1 and A17.1A.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28283, June 4, 1996]
Subpart 111.95—Electric Power-Operated Boat Winches
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§ 111.95-1 Applicability.
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(a) The electric installation of each electric power-operated boat winch must meet the requirements in this subpart, except that limit switches must be adapted to the installation if there are no gravity davits.
(b) The provisions of this subpart supplement the requirements for boat winches in other parts of this chapter under which vessels are certificated and in subchapter Q, Equipment approvals.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28283, June 4, 1996]
§ 111.95-3 General requirements.
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(a) Each electrical component (e.g., enclosure, motor controller, or motor) must be constructed to the appropriate NEMA or IEC degree of protection requirement for the service and environment in which it is installed.
(b) Each main line emergency disconnect switch, if accessible to an unauthorized person, must have a means to lock the switch in the open-circuit position with a padlock or its equivalent. The switch must not lock in the closed-circuit position.
[CGD 94–108, 61 FR 28283, June 4, 1996]
§ 111.95-7 Wiring of boat winch components.
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(a) If the motor controller of a boat winch power unit is next to the winch, the main line emergency switch must disconnect all parts of the boat winch power unit, including the motor controller and limit switches, from all sources of potential. Other power circuit switches must be connected in series with the main line emergency switch and must be ahead of the motor controller. The main line emergency switch must be the motor and controller disconnect required by Subpart 111.70 and must have a horsepower rating of at least that of the winch motor.
(b) If the motor controller of a boat winch power unit is remote from the winch, there must be a switch at the controller that can disconnect the entire winch electric installation from all sources of potential. The switch must be in series with and on the supply side of the main line emergency switch.
(c) Each davit arm limit switch, whether connected in the power circuit or in the control circuit, must disconnect all ungrounded conductors of the circuit controlled.
(d) If one motor is used with two winches, there must be a main line emergency switch, a clutch interlock switch, and a master switch for each winch, except that a single main line emergency switch located as required by paragraph (e) of this section may be used for both winches. The main line emergency switches must be connected, in series, ahead of the motor controller. The master switches must be connected in parallel and each, in series, with the corresponding clutch interlock switch for that winch. Each clutch interlock switch must open the circuit to its master switch, except when the power unit is clutched to the associated winch. There must be a means to prevent the power unit from being clutched to both winches simultaneously.
(e) The main line emergency disconnect switch must be adjacent to the master switch, within reach of the winch operator, accessible to the person in charge of the boat stowage, and for gravity davit installations, in a position from which the movement of boat davit arms can be observed as they approach the final stowed position.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28283, June 4, 1996]
Subpart 111.97—Electric Power-Operated Watertight Door Systems
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§ 111.97-1 Applicability.
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This subpart applies to electric power-operated watertight door systems required under Subpart H of Part 170 of this chapter.
[CGD 79–023, 48 FR 51008, Nov. 4, 1983]
§ 111.97-3 General requirements.
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Each watertight door operating system must meet Subpart H, §170.270 of this chapter.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by USCG–2000–7790, 65 FR 58462, Sept. 29, 2000]
§ 111.97-5 Electric and hydraulic power supply.
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(a) Each electric motor-driven door operating system must have the same source of power as the emergency lighting and power system.
(b) The temporary emergency power source and the final emergency power source must each be capable of operating all doors simultaneously or sequentially as allowed by §170.270(c) of this chapter.
(c) The power supply for each hydraulically operated watertight door system that uses a hydraulic system common to more than one watertight door must be an accumulator tank with enough capacity to open all doors once and to close all doors two times and be supplied by one or more motor-driven hydraulic pumps that can operate from the final source of the emergency lighting and power system.
(d) The motor-driven hydraulic pumps must automatically maintain the accumulator tank pressure within the design limits, be above the uppermost continuous deck, and be controlled from above the uppermost continuous deck.
(e) The accumulator tank capacity required in paragraph (c) of this section must be available when the accumulator tank pressure is at the automatic pump “cut-in” pressure.
(f) The source of power for each hydraulically operated watertight door system using an independent hydraulic system for each door operator must meet paragraphs (a) and (b) of this section.
(g) The power supply for other types of watertight door operators must be accepted by the Commandant.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28283, June 4, 1996; USCG–2000–7790, 65 FR 58462, Sept. 29, 2000]
§ 111.97-7 Distribution.
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(a) Each distribution panelboard for a watertight door system must be above the uppermost continuous deck and must have means for locking.
(b) Each feeder supplying a watertight door operating system must be above the uppermost continuous deck.
(c) Each watertight door operating system must have a separate branch circuit.
§ 111.97-9 Overcurrent protection.
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Overcurrent devices must be arranged to isolate a fault with as little disruption of the system as possible. The relationship between the load and the rating or setting of overcurrent devices must meet the following:
(a) The rating or setting of each feeder overcurrent device must be not less than 200 percent of its maximum load.
(b) The rating or setting of a branch circuit overcurrent device must be not more than 25 percent of that of the feeder overcurrent device.
Subpart 111.99—Fire Door Holding and Release Systems
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§ 111.99-1 Applicability.
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This subpart applies to fire door holding and release systems, if fitted.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28284, June 4, 1996]
§ 111.99-3 Definitions.
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As used in this subpart—
Central control panel means a manually-operated device on the navigating bridge or in the fire control room for releasing one or more fire doors.
Fire door means a door that is in a fire boundary, such as a stairway enclosure or main vertical zone bulkhead, that is not usually kept closed.
Fire door holding magnet means an electromagnet for holding a fire door open.
Local control panel means a manually-operated device next to a fire door for releasing the door so that the fire door self-closing mechanism may close the door.
[CGD 94–108, 61 FR 28284, June 4, 1996; 61 FR 33045, June 26, 1996; as amended by USCG–2004–18884, 69 FR 58348, Sept. 30, 2004]
§ 111.99-5 General.
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Fire door release systems, if installed, must meet SOLAS 74, regulation II–2/30.4.3.
[CGD 94–108, 61 FR 28284, June 4, 1996]
Subpart 111.101—Submersible Motor-Driven Bilge Pumps
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§ 111.101-1 Applicability.
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This subpart applies to each submersible motor-driven bilge pump required on certain vessels under §56.50–55 of this chapter.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by USCG–2004–18884, 69 FR 58348, Sept. 30, 2004]
§ 111.101-3 General requirements.
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(a) Each electric motor driving a submersible bilge pump must be in an open end air bell of rugged construction and be of a size that does not allow water to enter the motor if the compartment that the motor is in is flooded to the uppermost continuous deck.
(b) The motor, if of the open type, must be protected from splashing water from the bottom.
(c) The cable to each motor must enter through the open bottom of the air bell.
(d) Each motor must be able to operate continuously at rated load under any condition, dry or with water in the air bell at any level up to the maximum allowed under paragraph (a) of this section.
(e) Each motor controller must be above the uppermost continuous deck. There must be a master switch at the controller and a master switch at the motor. The master switch at the motor must be disconnected from the circuit when the motor is started or stopped from the master switch at the controller.
(f) Each motor must be energized from the final emergency power source.
Subpart 111.103—Remote Stopping Systems
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§ 111.103-1 Power ventilation systems except machinery space ventilation systems.
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Each power ventilation system must have:
(a) A control to stop the ventilation that is:
(1) Outside the space ventilated; and
(2) Grouped with the controls for every power ventilation system to which this section is applicable; and
(b) In addition to the control required by paragraph (a), a stop control that is:
(1) As far as practicable from the control required by paragraph (a) and grouped with the controls for every power ventilation system to which this section is applicable; or
(2) The circuit breakers for ventilation grouped on the main switchboard and marked, “In Case of Fire Trip to Stop Ventilation.”
Note: The requirements of this section do not apply to closed ventilation systems for motors or generators, diffuser fans for refrigerated spaces, room circulating fans, or exhaust fans for private toilets of an electrical rating comparable to that of a room circulating fan.
§ 111.103-3 Machinery space ventilation.
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(a) Each machinery space ventilation system must have two controls to stop the ventilation, one of which may be the supply circuit breaker.
(b) The controls required in paragraph (a) of this section must be grouped so that they are operable from two positions, one of which must be outside the machinery space.
§ 111.103-7 Ventilation stop stations.
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Each ventilation stop station must:
(a) Be protected by an enclosure with a glass-paneled door on the front;
(b) Be marked, “In Case of Fire Break Glass and Operate Switch to Stop Ventilation;”
(c) Have the “stop” position of the switch clearly identified;
(d) Have a nameplate that identifies the system controlled; and
(e) Be arranged so that damage to the switch or cable automatically stops the equipment controlled.
§ 111.103-9 Machinery stop stations.
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(a) Each forced draft fan, induced draft fan, blower of an inert gas system, fuel oil transfer pump, fuel oil unit, fuel oil service pump, and any other fuel oil pumps must have a stop control that is outside of the space containing the pump or fan.
(b) Each stop control must meet §111.103–7.
Subpart 111.105—Hazardous Locations
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§ 111.105-1 Applicability.
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This subpart applies to installations in hazardous locations as defined in the NEC and in IEC 79–0.
Note to §111.105–1: Chemicals and materials in addition to those listed in Table 500–2 of the NEC and IEC 79–12 are listed in subchapter O of this chapter.
[CGD 94–108, 61 FR 28284, June 4, 1996]
§ 111.105-3 General requirements.
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All electrical installations in hazardous locations must comply with the general requirements of section 43 of IEEE Std 45 and either the NEC articles 500–505 or IEC series 79 publications. When installations are made in accordance with the NEC articles, marine shipboard cable that complies with subpart 111.60 of this chapter may be used instead of rigid metal conduit, if installed fittings are approved for the specific hazardous location and the cable type.
[CGD 94–108, 61 FR 28284, June 4, 1996]
§ 111.105-5 System integrity.
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In order to maintain system integrity, each individual electrical installation in a hazardous location must comply specifically with NEC articles 500–505, as modified by §111.105–3, or IEC series 79 publications, but not in combination in a manner that would compromise system integrity or safety. Hazardous location equipment must be approved as suitable for use in the specific hazardous atmosphere in which it is installed. The use of non-approved equipment is prohibited.
[CGD 94–108, 61 FR 28284, June 4, 1996]
§ 111.105-7 Approved equipment.
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When this subpart or the NEC states that an item of electrical equipment must be approved or when IEC 79–0 states that an item of electrical equipment must be tested or approved in order to comply with IEC 79 series publications, that item must be—
(a) Listed or certified by an independent laboratory as approved for use in the hazardous locations in which it is installed; or
(b) Purged and pressurized equipment that meets NFPA No. 496 or IEC 79–2.
[CGD 94–108, 61 FR 28284, June 4, 1996]
§ 111.105-9 Explosionproof and flameproof equipment.
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Each item of electrical equipment that is required in this subpart to be explosionproof under the NEC classification system must be approved as meeting UL 1203. Each item of electrical equipment that is required in this subpart to be flameproof must be approved as meeting IEC 79–1.
[CGD 94–108, 61 FR 28284, June 4, 1996]
§ 111.105-11 Intrinsically safe systems.
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(a) Each system required under this subpart to be intrinsically safe must use approved components meeting UL 913 or IEC 79–11(Ia).
(b) Each electric cable of an intrinsically safe system must—
(1) Be 50 mm (2 inches) or more from cable of non-intrinsically safe circuits, partitioned by a grounded metal barrier from other non-intrinsically safe electric cables, or a shielded or metallic armored cable; and
(2) Not contain conductors for non-intrinsically safe systems.
(c) As part of plan approval, the manufacturer must provide appropriate installation instructions and restrictions on approved system components. Typical instructions and restrictions include information addressing—
(1) Voltage limitations;
(2) Allowable cable parameters;
(3) Maximum length of cable permitted;
(4) Ability of system to accept passive devices;
(5) Acceptability of interconnections with conductors or other equipment for other intrinsically safe circuits; and
(6) Information regarding any instructions or restrictions which were a condition of approval of the system or its components.
(d) Each intrinsically safe system must meet ISA RP 12.6, except Appendix A.1.
[CGD 94–108, 61 FR 28284, June 4, 1996, as amended at 62 FR 23909, May 1, 1997]
§ 111.105-15 Additional methods of protection.
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Each item of electrical equipment that is—
(a) A sand-filled apparatus must meet IEC 79–5;
(b) An oil-immersed apparatus must meet either IEC 79–6 or NEC article 500–2;
(c) Type of protection “e” must meet IEC 79–7;
(d) Type of protection “n” must meet IEC 79–15; and
(e) Type of protection “m” must meet IEC 79–18.
[CGD 94–108, 61 FR 28284, June 4, 1996]
§ 111.105-17 Wiring methods for hazardous locations.
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(a) Through runs of marine shipboard cable meeting subpart 111.60 of this part are required for all hazardous locations. Armored cable may be used to enhance ground detection capabilities. Additionally, Type MC cable may be used subject to the restrictions in §111.60–23.
(b) Where conduit is installed, the applicable requirements of either the NEC or IEC 79 must be followed.
(c) Each cable entrance into explosionproof or flameproof equipment must be made with approved seal fittings, termination fittings, or glands that meet the requirements of §111.105–9.
(d) Each cable entrance into Class II and Class III (Zone 10, 11, Z, or Y) equipment must be made with dust-tight cable entrance seals approved for the installation.
[CGD 94–108, 61 FR 28284, June 4, 1996, as amended at 62 FR 23909, May 1, 1997]
§ 111.105-19 Switches.
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A switch that is explosionproof or flameproof, or that controls any explosionproof or flameproof equipment, under §111.105–19 must have a pole for each ungrounded conductor.
[CGD 94–108, 61 FR 28284, June 4, 1996]
§ 111.105-21 Ventilation.
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A ventilation duct which ventilates a hazardous location has the classification of that location. Each fan for ventilation of a hazardous location must be nonsparking.
[CGD 94–108, 61 FR 28285, June 4, 1996]
§ 111.105-27 Belt drives.
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Each belt drive in a hazardous location must have:
(a) A conductive belt; and
(b) Pulleys, shafts, and driving equipment grounded to meet NFPA No. 77.
§ 111.105-29 Combustible liquid cargo carriers.
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(a) Each vessel that carries combustible liquid cargo with a closed-cup flashpoint of 60 degrees C (140 degrees F) or higher must have:
(1) Only intrinsically safe electric systems in cargo tanks; and
(2) No storage battery in any cargo handling room.
(b) If a submerged cargo pump motor is in a cargo tank, it must meet the requirements of §111.105–31(d).
(c) Where the cargo is heated to within 15°C of its flashpoint, the cargo pumproom must meet the requirements of §111.105–31(f) and the weather locations must meet §111.105–31(l).
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28285, June 4, 1996; 61 FR 36787, July 12, 1996; 61 FR 39695, July 30, 1996]
§ 111.105-31 Flammable or combustible cargo with a flashpoint below 60 degrees C (140 degrees F), liquid sulphur carriers and inorganic acid carriers.
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(a) Applicability. Each vessel that carries combustible or flammable cargo with a closed-cup flashpoint lower than 60 degrees C (140 degrees F) or liquid sulphur cargo, or inorganic acid cargo must meet the requirements of this section, except—
(1) A vessel carrying bulk liquefied flammable gases as a cargo, cargo residue, or vapor which must meet the requirements of §111.105–32; and
(2) A vessel carrying carbon disulfide must have only intrinsically safe electric equipment in the locations listed in paragraphs (e) through (l) of this section.
(b) Cable location. Electric cable must be as close as practicable to the centerline and must be away from cargo tank openings.
(c) Lighting circuits. An enclosed hazardous space that has explosionproof lighting fixtures must:
(1) Have at least two lighting branch circuits;
(2) Be arranged so that there is light for relamping any deenergized lighting circuit; and
(3) Not have the switch within the space for those spaces containing explosionproof lighting fixtures under paragraphs (g), (i) and (j) of this section.
(d) Submerged cargo pump motors. If a submerged cargo pump motor is in a cargo tank:
(1) Low liquid level, motor current, or pump discharge pressure must automatically shutdown power to the motor if the pump loses suction;
(2) An audible and visual alarm must be actuated by the shutdown of the motor; and
(3) There must be a lockable circuit breaker or lockable switch that disconnects power to the motor.
(e) Cargo tanks. A cargo tank is a Class I, Division 1 (IEC Zone 0) location which has additional electrical equipment restrictions outlined in IEEE Std 45 and IEC 92–502. Cargo tanks must not contain any electrical equipment except the following:
(1) Intrinsically safe equipment.
(2) Submerged cargo pump motors and their associated cable.
(f) Cargo handling rooms. A cargo handling room must not have any electric cable or other electric equipment, except:
(1) Intrinsically safe equipment;
(2) Explosionproof lighting fixtures;
(3) Cables supplying intrinsically safe equipment in the cargo handling room; and
(4) Marine shipboard cables that supply explosionproof lighting fixtures that are in the cargo handling room.
(g) Lighting of cargo handling rooms. Lighting for a cargo handling room except a cargo handling room under paragraph (h) of this section, must be lighted through fixed glass lenses in the bulkhead or overhead. Each fixed glass lens must be wire-inserted glass that is at least .025 inches (6.35 mm) thick and arranged to maintain the watertight and gastight integrity of the structure. The fixed glass lens may form a part of a listing fixture if the following are met:
(1) There is no access to the interior of the fixture from the cargo handling room.
(2) The fixture is vented to the engineroom or a similar nonhazardous area.
(3) The fixture is wired from outside the cargo handling room.
(4) The temperature on the cargo handling room surface of the glass lens, based on an ambient temperature of 40 degrees C, is not higher than 180 degrees C.
(h) A cargo handling room which precludes the lighting arrangement of paragraph (g) of this section, or where the lighting arrangement of paragraph (g) of the section does not give the required light, must have explosionproof lighting fixtures.
(i) Enclosed spaces. An enclosed space that is immediately above, below, or next to a cargo tank must not contain any electric equipment except equipment allowed for cargo handling rooms in paragraphs (f) and (g), and:
(1) Through runs of marine shipboard cable; and
(2) Watertight enclosures with bolted and gasketed covers containing only:
(i) Depth sounding devices;
(ii) Log devices; and
(iii) Impressed-current cathodic protection system electrodes.
(j) Cargo hose stowage space. A cargo hose stowage space must not have any electrical equipment except explosionproof lighting fixtures and through runs of marine shipboard cable.
(k) Cargo piping in a space. A space that has cargo piping must not have any electrical equipment except explosionproof lighting fixtures and through runs of marine shipboard cable.
(l) Weather locations. The following locations in the weather are Class I, Division 1 (Zone 1) locations (except the open deck area on an inorganic acid carrier which is considered a non-hazardous location) and may have only approved intrinsically safe, explosionproof, or purged and pressurized electrical equipment, and through runs of marine shipboard cable if the location is—
(1) Within 10 feet (3 m) of:
(i) A cargo tank vent outlet;
(ii) A cargo tank ullage opening;
(iii) A cargo pipe flange;
(iv) A cargo valve;
(v) A cargo handling room entrance; or
(vi) A cargo handling room ventilation opening; or
(2) On a tankship and on the open deck over the cargo area and 10 feet (3 m) forward and aft of the cargo area on the open deck and up to 8 feet (2.4 m) above the deck.
(3) Within 5 meters (16 ft) of cargo pressure/vacuum valves with an unlimited height; or
(4) Within 10 meters (33 ft) of vent outlets for free flow of vapor mixtures and high velocity vent outlets for the passage of large amounts of vapor, air or inert gas mixtures during cargo loading and ballasting or during discharging.
(m) Other spaces. Except for those spaces listed in paragraphs (e) through (k), a space that has a direct opening to any space listed in paragraphs (e) through (l) must have only the electric installations that are allowed for the space to which it opens.
(n) Duct keel ventilation or lighting. (1) The lighting and ventilation system for each pipe tunnel, double bottom, or duct keel must meet ABS Rules for Building and Classing Steel Vessels, section 4/5E1.15.
(2) If a fixed gas detection system is installed, it must meet the requirements of SOLAS 74 and ABS Rules for Building and Classing Steel Vessels, section 4/5.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 82–096, 49 FR 4947, Feb. 9, 1984; CGD 94–108, 61 FR 28285, June 4, 1996; 61 FR 33045, June 26, 1996; 62 FR 23909, May 1, 1997]
§ 111.105-32 Bulk liquefied flammable gas and ammonia carriers.
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(a) Each vessel that carries bulk liquefied flammable gases or ammonia as a cargo, cargo residue, or vapor must meet the requirements of this section.
(b) As used in this section:
(1) The terms “gas-safe” and “gas-dangerous” spaces are used as defined in §154.7 of this chapter.
(2) The term “gas-dangerous” does not include the weather deck of an ammonia carrier.
(c) Each submerged cargo pump motor design must receive concept approval by the Commandant (G-MSE) and its installation must receive plan approval by the Commanding Officer, Marine Safety Center.
(d) Electrical equipment must not be installed in a gas-dangerous space or zone, except:
(1) Intrinsically safe electrical equipment and wiring, and
(2) Other equipment as allowed in this section.
(e) A submerged cargo pump motor, if installed in a cargo tank, must meet §111.105–31(d).
(f) Electrical equipment must not be installed in a hold space that has a tank that is not required to have a secondary barrier under §154.459 of this chapter, except:
(1) Through runs of marine shipboard cable;
(2) Explosionproof lighting fixtures;
(3) Depth sounding devices in gastight enclosures;
(4) Log devices in gastight enclosures;
(5) Impressed current cathodic protection system electrodes in gastight enclosures; and
(6) Armored or MI type cable for a submerged cargo pump motor.
(g) Electrical equipment must not be installed in a space that is separated by a gastight steel boundary from a hold space that has a tank that must have a secondary barrier under the requirements of §154.459 of this chapter, except:
(1) Through runs of marine shipboard cable;
(2) Explosionproof lighting fixtures;
(3) Depth sounding devices in gastight enclosures;
(4) Log devices in gastight enclosures;
(5) Impressed current cathodic protection system electrodes in gastight enclosures;
(6) Explosionproof motors that operate cargo system valves or ballast system valves;
(7) Explosionproof bells for general alarm systems; and
(8) Armored or MI type cable for a submerged cargo pump motor.
(h) A cargo-handling room must not have any installed electrical equipment, except explosionproof lighting fixtures.
(i) A space for cargo hose storage or a space that has cargo piping must not have any installed electrical equipment, except:
(1) Explosionproof lighting fixtures; and
(2) Through runs of marine shipboard cable.
(j) A gas dangerous zone on the open deck must not have any installed electrical equipment, except:
(1) Explosionproof equipment that is necessary for the operation of the vessel; and
(2) Through runs of marine shipboard cable.
(k) A space, except those named in paragraphs (f) through (i) of this section, that has a direct opening to gas-dangerous spaces or zones must have no electrical equipment except as allowed in the gas-dangerous space or zone.
(l) Each gas-dangerous space that has lighting fixtures must have at least two branch circuits for lighting.
(m) Each switch and each overcurrent protective device for any lighting circuit that is in a gas-dangerous space must open all conductors of the circuit simultaneously.
(n) Each switch and each overcurrent protective device for lighting in a gas-dangerous space must be in a gas-safe space.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 77–069, 52 FR 31626, Aug. 21, 1987; CGD 94–108, 61 FR 28285, June 4, 1996; 62 FR 23909, May 1, 1997]
§ 111.105-33 Mobile offshore drilling units.
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(a) Applicability. This section applies to each mobile offshore drilling unit.
(b) Definitions. As used in this section:
(1) “Enclosed spaces” are locations delineated by floors, bulkheads, or decks which may have doors or windows.
(2) “Semi-enclosed spaces” are locations where natural conditions of ventilation are notably different from those on open deck due to the presence of structures such as roofs, windbreaks, and bulkheads which are so arranged that dispersion of gas may not occur.
(c) The internal space of each pressure vessel, tank, and pipe for drilling mud and for gas venting must have only intrinsically safe electric equipment.
(d) The following are Class I, Division 1 locations:
(1) An enclosed space that contains any part of the mud circulating system that has an opening into the space and is between the well and final degassing discharge.
(2) An enclosed or semi-enclosed location that is below the drill floor and contains a possible source of gas release such as the top of a drilling nipple.
(3) An enclosed space that is on the drill floor and is not separated by a solid, gas-tight floor from the spaces specified in paragraph (d)(2) of this section.
(4) A space that would normally be considered a Division 2 location under paragraph (e) of this section but where combustible or flammable gases might accumulate. This could include pits, ducts, and similar structures downstream of the final degassing discharge.
(5) A location in the weather or a semi-enclosed location, except as provided in paragraph (d)(2) of this section, that is within 5 feet (1.5 m) of the boundary of any:
(i) Equipment or opening specified in paragraph (d)(1) of this section;
(ii) Ventilation outlet, access, or other opening to a Class I, Division 1 space; or
(iii) Gas vent outlet.
(6) Except as provided in paragraph (f) of this section, an enclosed space that has an opening into a Class I, Division 1 location.
(e) The following are Class I, Division 2 locations:
(1) An enclosed space that has any open portion of the mud circulating system from the final degassing discharge to the mud suction connection at the mud pit.
(2) A location in the weather that is:
(i) Within the boundaries of the drilling derrick up to a height of 10 feet (3m) above the drill floor;
(ii) Below the drill floor and within a radius of 10 feet (3m) of a possible source of release, such as the top of a drilling nipple; or
(iii) Within 5 feet (1.5m) of the boundaries of any ventilation outlet, access, or other opening to a Class I, Division 2 space.
(3) A location that is:
(i) Within 5 feet (1.5m) of a semi-enclosed Class I, Division 1 location indicated in paragraph (d)(2) of this section; or
(ii) Within 5 feet (1.5m) of a Class I, Division 1 space indicated in paragraph (d)(5).
(4) A semi-enclosed area that is below and contiguous with the drill floor to the boundaries of the derrick or to the extent of any enclosure which is liable to trap gases.
(5) A semi-enclosed derrick to the extent of its enclosure above the drill floor, or to a height of 10 feet (3m) above the drill floor, whichever is greater.
(6) Except as provided in paragraph (f) of this section, an enclosed space that has an opening into a Class I, Division 2 location.
(f) An enclosed space that has direct access to a Division 1 or Division 2 location is the same division as that location, except:
(1) An enclosed space that has direct access to a Division 1 location is not a hazardous location if:
(i) The access has self-closing gas-tight doors that form an air lock;
(ii) The ventilation causes greater pressure in the space than in the Division 1 location; and
(iii) Loss of ventilation overpressure is alarmed at a manned station;
(2) An enclosed space that has direct access to a Division 1 location can be considered as a Division 2 location if:
(i) The access has a self-closing, gas-tight door that opens into the space and that has no hold-back device;
(ii) Ventilation causes the air to flow with the door open from the space into the Division 1 location; and
(iii) Loss of ventilation is alarmed at a manned control station; and
(3) An enclosed space that has direct access to a Division 2 location is not a hazardous location if:
(i) The access has a self-closing, gas-tight door that opens into the space and that has no hold-back device;
(ii) Ventilation causes the air to flow with the door open from the space into the Division 2 location; and
(iii) Loss of ventilation actuates an alarm at a manned control station.
(g) Electrical equipment and devices installed in spaces made non-hazardous by the methods indicated in paragraph (f) of this section must be limited to essential equipment.
§ 111.105-35 Vessels carrying coal.
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(a) The following are Class II, Division 1, (Zone 10 or Z) locations on a vessel that carries coal:
(1) The interior of each coal bin and hold.
(2) Each compartment that has a coal transfer point where coal is transferred, dropped, or dumped.
(3) Each open area within 3 meters (10 ft) of a coal transfer point where coal is dropped or dumped.
(b) Each space that has a coal conveyer on a vessel that carries coal is a Class II, Division 2, (Zone 11 or Y) space.
(c) A space that has a coal conveyer on a vessel that carries coal must have electrical equipment approved for Class II, Division 2, (Zone 11 or Y) hazardous locations, except watertight general emergency alarm signals.
[CGD 94–108, 61 FR 28285, June 4, 1996]
§ 111.105-37 Flammable anesthetics.
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Each electric installation where a flammable anesthetic is used or stored must meet NFPA No. 99.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28285, June 4, 1996]
§ 111.105-39 Additional requirements for vessels carrying vehicles with fuel in their tanks.
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Each vessel that carries vehicles with fuel in their tanks must meet the requirements of ABS Rules for Building and Classing Steel Vessels, section 4/5E3, except as follows:
(a) If the ventilation requirement of ABS Rules for Building and Classing Steel Vessels, section 4/5E3 is not met, all installed electrical equipment must be suitable for a Class I, Division 1; Zone 0; or Zone 1 hazardous location.
(b) If the vessel is fitted with an approved fixed gas detection system set at 25 percent the LEL, each item of the installed electrical equipment must meet the requirements for a Class I, Division 1; Class I, Division 2; Zone 0; Zone 1; or Zone 2 hazardous location.
[CGD 94–108, 61 FR 28285, June 4, 1996, as amended at 62 FR 23909, May 1, 1997]
§ 111.105-40 Additional requirements for RO/RO vessels.
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(a) Each RO/RO vessel must meet ABS Rules for Building and Classing Steel Vessels, section 4/5E4.
(b) Each item of installed electrical equipment must meet the requirements for a Class I, Division 1; Class I, Division 2; Zone 0; Zone 1; or Zone 2 hazardous location when installed 460 mm (18 inches) or more above the deck of closed cargo spaces. Electrical equipment installed within 460 mm (18 inches) of the deck must be suitable for either a Class I, Division 1; Zone 0; or Zone 1 hazardous location.
(c) Where the ventilation requirement of ABS Rules for Building and Classing Steel Vessels, section 4/5E4 is not met—
(1) All installed electrical equipment must be suitable for a Class I, Division 1; Zone 0; or Zone 1 hazardous location; or
(2) If fitted with an approved fixed gas detection system (set at 25 percent of the LEL), each item of installed electrical equipment must meet the requirements for either a Class I, Division 1; Class I, Division 2; Zone 0; Zone 1; or Zone 2 hazardous location.
[CGD 94–108, 61 FR 28285, June 4, 1996; 61 FR 33045, June 26, 1996, as amended at 62 FR 23909, May 1, 1997]
§ 111.105-41 Battery rooms.
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Each electrical installation in a battery room must meet subpart 111.15 of this part and IEEE Std 45.
[CGD 94–108, 61 FR 28285, June 4, 1996]
§ 111.105-43 Paint stowage or mixing spaces.
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A space for the stowage or mixing of paint must not have any electric equipment, except:
(a) Intrinsically safe electric equipment approved for a Class I, Division 1, Group D (Zone 0 or Zone 1) location;
(b) Explosionproof electric equipment approved for a Class I, Division 1, Group D (Zone 0 or Zone 1) location; or
(c) Through runs of marine shipboard cable.
[CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28285, June 4, 1996; 62 FR 23909, May 1, 1997]
§ 111.105-45 Vessels carrying agricultural products.
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(a) The following areas are Class II, Division 1, (Zone 10 or Z) locations on vessels carrying bulk agricultural products that may produce dust explosion hazards:
(1) The interior of each cargo hold or bin.
(2) Areas where cargo is transferred, dropped, or dumped and locations within 1 meter (3 feet) of the outer edge of these areas in all directions.
(b) The following areas are Class II, Division 2, (Zone 11 or Y) locations on vessels carrying bulk agricultural products that may produce dust explosion hazards:
(1) All areas within 2 meters (6.5 feet) of a Division 1 (Zone 10 or Z) location in all directions except when there is an intervening barrier, such as a bulkhead or deck.
Note to §111.105–45: Information on the dust explosion hazards associated with the carriage of agricultural products is contained in Coast Guard Navigation and Vessel Inspection Circular 9–84 (NVIC 9–84) “Electrical Installations in Agricultural Dust Locations.”
[CGD 94–108, 61 FR 28285, June 4, 1996]
Subpart 111.107—Industrial Systems
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§ 111.107-1 Industrial systems.
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(a) For the purpose of this subpart, an industrial system is a system that—
(1) Is not a ship's service load, as defined in §111.10–1;
(2) Is used only for the industrial function of the vessel;
(3) Is not connected to the emergency power source; and
(4) Does not have specific requirements addressed elsewhere in this subchapter.
(b) An industrial system that meets the applicable requirements of the NEC must meet only the following:
(1) The switchgear standards in part 110, subpart 110.10, of this chapter.
(2) Part 110, subpart 110.25, of this chapter—Plan Submittal.
(3) Subpart 111.01 of this part—General.
(4) Subpart 111.05 of this part—Equipment Ground, Ground Detection, and Grounded Systems.
(5) Sections 111.12–1(b) and 111.12–1(c)—Prime movers.
(6) Subpart 111.105 of this part—Hazardous Locations.
(c) Cables that penetrate a watertight or fire boundary deck or bulkhead must—
(1) Be installed in accordance with §111.60–5 and meet the flammability test requirements of IEEE Std 1202, section 18.13.5 of IEEE Std 45, or IEC 332–3, Category A; or
(2) Be specialty cable installed in accordance with §111.60–2.
[CGD 94–108, 61 FR 28286, June 4, 1996, as amended at 62 FR 23910, May 1, 1997]