If any portion of the cabling is going to end up running under concrete / pavers / etc, do yourself a favor and run it in conduit. You don't want to be pulling up laid materials to replace wiring if ...

Decide how much digging you’re prepared to do and how deep your trench will be. This helps determine the type of wiring and the method you’ll use. Underground cable and wire can be installed at ...

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 ...

Greg Kessinger has been SD&I’s fire alarm and codes expert and a regular contributor for more than 15 years. Please email him your fire & life safety questions for potential inclusion in this column ...

All questions and answers are based on the 2017 NEC. Q. What is the NEC requirement for securing and supporting PVC conduit? A. PVC conduit must be fastened and supported in accordance with Sec.