6.000 inches nominal overall height, 16.000 inches nominal overall width, f-15 acft systems end item identification, 16 in. lgth;document:engineering p/list no. t.o. 33d-1-121-(31-1)a special features, provides cooling air,interconnects the transformer rectifier to an air input source and load,and provides test points to allow monitoring of performance parameters functional description, 33d-1-121 reference data and literature

An inclosure which includes mounts and protects such items as switches, circuit breakers, jacks, fuseholders, connectors, terminals and/or terminal boards, resistors, capacitors, transformers, and the like. It is primarily designed to interconnect two or more electrical and/or electronic items, except primary power source(s) such as generator(s) and battery(ies). It may include a cover or door. For inclosures which connect one or more primary power source(s) to one or more electrical and/or electronic item(s), see distribution box. See also circuit breaker box; terminal box and interconnecting cabinet.