A simple solution to hiding electrical wires and cables is mounting raceways to the surface of the wall or ceiling, and ...
When constructing the Empire State Building in 1930, engineers found that the heavy non-armored electrical cable installed in vertical raceways or risers imposed excessive strain on terminations, ...
A. Raceways and cable sheaths must be mechanically continuous between boxes, cabinets, and fittings [300.12]. Exception No. 1: Short sections of raceways used to provide support or protection of cable ...