46 C.F.R. § 113.25-11 Contact makers.
Title 46 - Shipping
Each contact maker must— (a) Have normally open contacts and be constructed in accordance with NEMA 250 Type 4 or 4X or IEC IP 56 requirements; (b) Have a switch handle that can be maintained in the “on” position; (c) Have the “off” and “on” positions of the operating handle permanently marked; and (d) Have an inductive load rating not less than the connected load or, on large vessels, have auxiliary devices to interrupt the load current. [CGD 94–108, 61 FR 28288, June 4, 1996, as amended at 62 FR 23910, May 1, 1997]
Title 46: Shipping
PART 113—COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT
Subpart 113.25—General Emergency Alarm Systems
§ 113.25-11 Contact makers.
