View all text of Subpart 111.05 [§ 111.05-1 - § 111.05-37]
§ 111.05-19 - Tank vessels; grounded distribution systems.
(a) If the voltage of a distribution system is less than 1,000 volts, line to line, a tank vessel must not have a grounded distribution system.
(b) If the voltage of a distribution system on a tank vessel is 1,000 volts or greater, line to line, and the distribution system is grounded (including high-impedance grounding), any resulting current must not flow through a hazardous (classified) location.