Full Technical Description: product type: interlocked receptacle enclosure and receptacle assembly; product family: Arktite NBR Series; current rating: 30 A; voltage rating: up to 600 VAC and 250 VDC; number of wires: 3; number of poles: 4; grounding configuration: Style 2; conduit hub size: 3/4 inch; receptacle door: spring loaded; enclosure material: Krydon fiberglass-reinforced polyester; circuit breaker: not included; mechanical interlock construction is designed for integration with the appropriate breaker and operating mechanism; application: replacement or original-equipment receptacle enclosure for NBR circuit-breaker-interlocked assemblies used with portable generators, compressors, conveyors, welders, and industrial equipment