46 CFR § 113.37-10 - Detailed requirements.
---
identifier: "/us/cfr/t46/s113.37-10"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 113.37-10 - Detailed requirements."
title_number: 46
title_name: "Shipping"
section_number: "113.37-10"
section_name: "Detailed requirements."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "J"
subchapter_name: "ELECTRICAL ENGINEERING"
part_number: "113"
part_name: "COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3703; DHS Delegation No. 00170.1, Revision No. 01.2."
regulatory_source: "CGD 74-125A, 47 FR 15272, Apr. 8, 1982, unless otherwise noted."
cfr_part: "113"
---
# 113.37-10 Detailed requirements.
(a) Each indicator must be independent of the propulsion control system. A failure of the propulsion control system must not affect the operation of the indicators.
(b) Each electric component or its enclosure must meet Type 4 or 4X of NEMA 250 or IP 56 of IEC 60529:2013 (both incorporated by reference; see § 110.10-1 of this subpart) requirements.
[CGD 74-125A, 47 FR 15272, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28290, June 4, 1996; USCG-2003-16630, 73 FR 65202, Oct. 31, 2008; USCG-2020-0075, 88 FR 16369, Mar. 16, 2023]