46 CFR 111.05-19 - Tank vessels; grounded distribution systems.

Regulations last checked for updates: Apr 30, 2025

Title 46 - Shipping last revised: Mar 17, 2025

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.

[CGD 94-108, 61 FR 28276, June 4, 1996, as amended at 62 FR 23907, May 1, 1997] Ground Detection

authority: 46 U.S.C. 3306,3703; DHS Delegation No. 00170.1, Revision No. 01.2. Section 111.05-20 and Subpart 111.106 also issued under sec. 617, Pub. L. 111-281, 124 Stat. 2905

source: CGD 74-125A, 47 FR 15236, Apr. 8, 1982, unless otherwise noted.

cite as: 46 CFR 111.05-19