46 C.F.R. § 111.30-5

(a) All low voltage and medium voltage switchboards (as low and medium are determined within the standard used) must meet—

(1) For low voltages, either section 6 (except section 6.3.3) of IEEE 45.7-2012 or of IEC 60092-302:1997 (both incorporated by reference; see § 110.10-1 of this subchapter), as appropriate.

(2) For medium voltages, either section 7 of IEEE 45.7-2012 or IEC 60092-503:2007 (incorporated by reference; see § 110.10-1 of this subchapter), as appropriate.

(b) Each switchboard must be fitted with a dripshield unless the switchboard is a deck-to-overhead mounted type which cannot be subjected to leaks or falling objects.