A. The requirements of Sec. 300.22 apply to the installation and uses of electrical wiring and equipment in plenum spaces for environmental air. (C) Plenum Spaces for ...
Q. What wiring methods does the NEC allow above a suspended ceiling or other spaces used for environmental air? A. Electrical metallic tubing (EMT), rigid metal conduit (RMC), intermediate metal ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results