---
kind: "section"
citation: "46 C.F.R. § 111.30-19"
title: "46"
number: "111.30-19"
heading: "Buses and wiring."
url: "https://uscodex.org/cfr/46/111.30-19"
---

# §111.30-19. Buses and wiring.

- (a) **General.** Each bus must meet the requirements of either—
  - (1) [Section 5.10](/cfr/46/5.10.md) of IEEE 45.7-2012 (incorporated by reference; see [§ 110.10-1](/cfr/46/110.10-1.md) of this subchapter); or
  - (2) **IEC 60092-302—** 1997 (clause 7) (incorporated by reference; see [§ 110.10-1](/cfr/46/110.10-1.md) of this subchapter).
- (b) **Wiring.** Instrumentation and control wiring must be—
  - (1) Suitable for installation within in a switchboard enclosure and be rated at 90 °C or higher;
  - (2) Stranded copper;
  - (3) **No.** 14 AWG (2.10 mm 2) or larger or must be ribbon cable or similar conductor size cable recommended for use in low-power instrumentation, monitoring, or control circuits by the equipment manufacturer;
  - (4) **Flame-retardant meeting test VW-1 of ANSI/UL 2556 or IEC 60332-1-1—** 2015 and IEC 60332-1-2:2015 (all incorporated by reference; see [§ 110.10-1](/cfr/46/110.10-1.md) of this subchapter); and
  - (5) **Extra flexible, if used on a hinged panel.**

## Notes

### Amendments

[CGD 94-108, 61 FR 28278, June 4, 1996, as amended at 62 FR 23908, May 1, 1997; USCG-2003-16630, 73 FR 65197, Oct. 31, 2008; USCG-2013-0671, 78 FR 60153, Sept. 30, 2013; USCG-2020-0075, 88 FR 16361, Mar. 16, 2023]

### Authority

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

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

### Amendments

[CGD 94-108, 61 FR 28278, June 4, 1996, as amended at 62 FR 23908, May 1, 1997; USCG-2003-16630, 73 FR 65197, Oct. 31, 2008; USCG-2013-0671, 78 FR 60153, Sept. 30, 2013; USCG-2020-0075, 88 FR 16361, Mar. 16, 2023]