46 CFR § 111.105-19 - Switches.
§ 111.105-19 Switches.
A switch that is explosionproof or flameproof, or that controls any explosionproof or flameproof equipment must have a pole for each ungrounded conductor.
[USCG–2020–0075, 88 FR 16366, Mar. 16, 2023]