An inclosure specifically designed to mount electrical control equipment for operation of generator sets, motor-generators, and the like, such as mode switches, circuit breakers, voltmeters, regulators, terminals and/or terminal boards and the like. it is designed to be attached to the generator set or like electrical equipment. the control components may or may not be included. it may also include or mount engine instruments, and/or controls. it may include a cover or door. for inclosures which include only circuit breakers, switches, jacks, fuse holders, terminals, and/or terminal boards, see circuit breaker box; switch box; jack box; fuse box; and terminal box. for inclosures primarily designed to interconnect two or more electrical or electronics items, except primary power sources, see interconnecting box. excludes junction box; distribution box; and control box, electrical, vehicular heater.