if you run 3/4 emt 30' up in rafters and put twistlock plugs at this hieght. can you hang chain or wire off of conduit to hang your lights down at 20'?
if you run 3/4 emt 30' up in rafters and put twistlock plugs at this hieght. can you hang chain or wire off of conduit to hang your lights down at 20'?