electrical devices and electrical power equipment; namely, circuit breakers, busbar systems, transformers, enclosed and dead-front switches, fuses, molded-case circuit breakers and circuit-breaker enclosures, electric industrial control machinery, busways and fittings, automatic transfer switches, metal-enclosed AC and DC power circuit breaker switchgear and assemblies, AC and DC power circuit breakers, power circuit protectors, trip devices for AC and DC power circuit breakers, metal-clad and station-type cubicle switchgear, metal-enclosed interrupter switchgear and assemblies, AC and DC switches, AC and DC switches for use in metal-enclosed switchgear, liquid immersed distribution, power and regulating transformers, dry-type distribution and power transformers, field discharge circuit breakers for rotating electric machinery, switchgear assemblies for class 1E applications in nuclear power generating stations, instrument transformers, step-voltage and induction-voltage regulators, current-limiting reactors, shunt reactors, panelboards, dead-front switches, knife switches, deadfront switchboards, ground-fault circuit interrupters, pullout switches, bushings, meter sockets, reclosers, cable limiters, protective and control relays, and distribution cutouts and fuse links