(a) Each direct current ship's service switchboard must have the equipment required by paragraphs (b) through (f) of this section.
(b) For each connected generator, each switchboard must have the following:
(1) A circuit breaker that meets § 111.12-11 and § 111.50-5.
(2) A disconnect switch or link for each generator conductor, except a switchboard having a draw-out or plug-in type generator circuit breaker that disconnects -
(i) Each conductor; or
(ii) If there is a switch in the generator neutral, each ungrounded conductor.
(3) A field rheostat.
(4) A pilot lamp connected between the generator and circuit breaker.
(c) For each two-wire generator, each switchboard must have:
(1) An ammeter; and
(2) A voltmeter with a selector switch that connects the voltmeter to show:
(i) Generator voltage; and
(ii) Bus voltage.
(d) For each three-wire generator, each switchboard must have the following:
(1) An ammeter for:
(i) The positive lead; and
(ii) The negative lead.
(2) A center zero type ammeter for the neutral ground connection.
(3) A voltmeter with a selector switch that connects the voltmeter to show generator and bus voltage:
(i) Positive to negative;
(ii) Positive to neutral; and
(iii) Neutral to negative.
(e) Each switchboard must have ground detection that meets Subpart 111.05 for the:
(1) Main power system;
(2) Main lighting system; and
(3) Emergency lighting system.
(f) For each shore power connection, each switchboard must have:
(1) A circuit breaker or fused switch; and
(2) A pilot light connected to the shore side.
(g) One of the voltmeters under paragraph (c)(2) or (d)(3) of this section must be connected to show:
(1) For each two-wire system, shore connection voltage; and
(2) For each three-wire system, shore connection voltage:
(i) Positive to negative;
(ii) Positive to neutral; and
(iii) Neutral to negative.