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]