electrical wiring devices for industrial, commercial and residential applications, namely, AC toggle switches; lock switches and keys therefor; combination switches and receptacles; mercury switches; pressure sensitive door and cord switches; maintained and momentary contact manual controllers; on-off manual controllers for AC motors and resistance heater loads; explosion-proof single and three phase motor and lighting circuit controllers; incandescent dimmers; AC rocker switches; electric plug receptacles; electric plugs; connectors; inlets, outlets, and adapters; lampholders; surface wiring switches; receptacles; junction boxes; fluorescent starters; power interrupters; electrical plugs, connectors, inlets and outlets, and protective boots therefor for marine use; ground fault circuit interrupters; low voltage transformers, rectifiers, master control switches and relays, magnetic relays, relay ganging boxes, and component cabiniets; pilot lights, jewels and lamps therefor; and electric wall plates and electrical component mounting straps