---
kind: "section"
citation: "46 C.F.R. § 169.667"
title: "46"
number: "169.667"
heading: "Switchboards."
url: "https://uscodex.org/cfr/46/169.667"
---

# §169.667. Switchboards.

- (a) Each switchboard must be in as dry a location as practicable, accessible, protected from inadvertent entry, and adequately ventilated. All uninsulated current carrying parts must be mounted on nonabsorbent, noncombustible, high dielectric insulating material.
- (b) Each switchboard must be—
  - (1) Totally enclosed; and
  - (2) **Of the dead front type.**
- (c) Each ungrounded conductor of a circuit must have at the point of attachment to the power source either—
  - (1) A Circuit breaker; or
  - (2) **A switch and fuse.**
- (d) Each switch other than one mounted on a switchboard must be of the enclosed type.

## Notes

### Amendments

[CGD 83-005, 51 FR 896, Jan. 9, 1986, as amended by USCG-2014-0688, 79 FR 58287, Sept. 29, 2014]

### Authority

Authority: 33 U.S.C. 1321(j); 46 U.S.C. 3306, 6101; Pub. L. 103-206, 107 Stat. 2439; E.O. 11735, 38 FR 21243, 3 CFR, 1971-1975 Comp., p. 793; DHS Delegation 00170.1, Revision No. 01.4; § 169.117 also issued under the authority of 44 U.S.C. 3507.

### Source

Source: CGD 83-005, 51 FR 896, Jan. 9, 1986, unless otherwise noted.

### Amendments

[CGD 83-005, 51 FR 896, Jan. 9, 1986, as amended by USCG-2014-0688, 79 FR 58287, Sept. 29, 2014]