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e-CFR data is current as of November 25, 2020

Title 46Chapter ISubchapter JPart 112 → Subpart 112.43


Title 46: Shipping
PART 112—EMERGENCY LIGHTING AND POWER SYSTEMS


Subpart 112.43—Emergency Lighting Systems


Contents
§112.43-1   Switches.
§112.43-5   Controls on island type vessels.
§112.43-7   Navigating bridge distribution panel.
§112.43-9   Signaling lights.
§112.43-11   Illumination for launching operations.
§112.43-13   Navigation light indicator panel supply.
§112.43-15   Emergency lighting feeders.

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§112.43-1   Switches.

An emergency lighting system must not have a switch, except:

(a) In a distribution panel;

(b) As required in §112.43-7; or

(c) In a circuit that serves a hazardous space such as a paint room or cargo handling room if the switch is located outside of the hazardous location.

[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996]

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§112.43-5   Controls on island type vessels.

On an island type vessel, such as a containership, emergency lights for illumination of survival craft launching operations must be controlled from a central location within the island nearest the launching operations or from the navigating bridge.

[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996]

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§112.43-7   Navigating bridge distribution panel.

(a) Except as allowed in paragraph (b) of this section, the following emergency lights must be supplied from a distribution panel on the navigating bridge:

(1) Navigation lights not supplied by the navigation light indicator panel.

(2) Lights for survival craft launching operations under §111.75-16, except as allowed in §112.43-5.

(3) Signaling lights.

(4) Emergency lights:

(i) On open decks;

(ii) On the navigating bridge;

(iii) In the chartroom;

(iv) In the fire control room; and

(v) For navigation equipment.

(b) On a mobile offshore drilling unit, the distribution panel required in paragraph (a) of this section must be in the control room.

(c) Each distribution panel required in paragraphs (a) and (b) of this section must have a fused switch or circuit breaker for each branch circuit.

[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996]

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§112.43-9   Signaling lights.

Each signaling light must be supplied by a branch circuit that supplies no other equipment.

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§112.43-11   Illumination for launching operations.

Branch circuits supplying power to lights for survival craft launching operations must supply no other equipment and meet §111.75-16 of this chapter.

[CGD 94-108, 61 FR 28287, June 4, 1996]

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§112.43-13   Navigation light indicator panel supply.

Each navigation light indicator panel must be supplied:

(a) Directly from the emergency switchboard; or

(b) Be a through feed, without switch or overcurrent protection, from the feeder supply the navigating bridge emergency lighting panel.

[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996]

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§112.43-15   Emergency lighting feeders.

For a vessel with fire bulkheads forming fire zones, at least one emergency lighting feeder must supply only the emergency lights between two adjacent main vertical fire zone bulkheads. The emergency lighting feeder must be separated as widely as practicable from any general lighting feeder supplying the same space.

[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996]

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