46 CFR §113.05-7

1. (a)Communication, alarm system, control, and monitoring equipment, with the exception of fire and smoke detection and alarm systems, must meet the environmental tests of—
   1. (1)Section 4-9-9, Table 1, of ABS Marine Vessel Rules (incorporated by reference; see § 110.10-1 of this subchapter) or the applicable ENV category of Lloyd's Register Type Approval System—Test Specification Number 1 (incorporated by reference; see § 110.10-1 of this subchapter); and
   2. (2)IEC 60533:2015 (incorporated by reference; see § 110.10-1 of this subchapter) as appropriate.
2. (b)Components of smoke detection and alarm systems must be tested in accordance with 46 CFR 161.002.