Plugs, Receptacles and Connectors of the Pin-and-Sleeve Type for Hazardous Locations

Applies to all plugs, receptacles and connectors up to 600 V ac, 250 V dc, and all current ratings up to 200 A. Covers ratings, materials, construction, performance and tests of pin-and-sleeve devices used for connecting circuits to transmit and distribute electrical energy for normal conditions of installation and service in hazardous locations as defined by Article 500 of the NEC.