46 C.F.R. Subpart 111.40—Panelboards
Title 46 - Shipping
Each panelboard must meet section 23.1 of IEEE Std 45. [CGD 94–108, 62 FR 23908, May 1, 1997] Each panelboard must have a noncombustible enclosure that meets §§111.01–7 and 111.01–9. [CGD 94–108, 61 FR 28279, June 4, 1996] Each panelboard must be accessible but not in a bunker or a cargo hold, except a cargo hold on a roll-on/roll-off vessel. [CGD 94–108, 61 FR 28279, June 4, 1996] The door of each panelboard enclosure that is accessible to any passenger must have a locking device. (a) Each panelboard switching unit must be numbered. (b) Each panelboard must have: (1) A circuit directory cardholder; and (2) A circuit directory that has: (i) The circuit designation of each circuit; (ii) A description of the load of each circuit; and (iii) The rating or setting of the overcurrent protective device for each circuit. Each panelboard must have a current rating not less than the feeder circuit capacity. The total load on any overcurrent device located in a panelboard must not exceed 80 percent of its rating if, in normal operation, the load will continue for 3 hours or more; except if the assembly, including the overcurrent device, is rated for continuous duty at 100% of its rating.
Title 46: Shipping
PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS
Subpart 111.40—Panelboards
§ 111.40-1 Panelboard standard.
§ 111.40-5 Enclosure.
§ 111.40-7 Location.
§ 111.40-9 Locking device.
§ 111.40-11 Numbered switching unit and panelboard directory.
§ 111.40-13 Rating.
§ 111.40-15 Overcurrent device.
