Also found in: Dictionary, Thesaurus.
A trough which is lined with sheet metal and has hinged covers, designed to house electrical conductors or cables.
A metal wiring enclosure, usually rectangular in cross section, with a removable front or top cover to protect the conductors inside it. Also called a raceway.
Any channel designed to enclose and loosely hold electric conductors; may be of metal or of an insulating material; various types include rigid conduit, flexible metallic conduit, nonmetallic conduit, metallic tubing, under-floor raceways, cellular floor raceways, surface metal raceways, structural raceways, wireways and busways, and auxiliary gutters or moldings.