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C CABINET A protection housing or covering for two or more units or pieces of equipments. A cabinet may consist of an enclosed rack with hinged doors. CABLE (1) An assembly of one or more conductors or optical fibers, or a combination of both, within an enveloping sheath. (2) A message sent by cable, or by extension, any means of telegraphy. (3) Two or more insulated conductors, solid or stranded, contained in a common covering, or two or more insulated conductors twisted or molded together without common covering, or one insulated conductor with a metallic covering shield or outer conductor.