Hooks are normally attached to the structure supporting the drop ceiling (normally the steal beams, not the wire or threaded rod supporing the grid), then cabling run through them. If the drop ceiling ...

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, ...

All questions and answers are based on the 2017 NEC. Q. What are the Code requirements for supporting wiring systems installed above suspended ceilings? A. The ...

I'm hooking up a ceiling mounted projector and need to run video cables from my amplifier to the projector input. The wires will be pulled thru joists and hidden in the gwb ceiling (not a drop ceiling ...