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 ...

All questions and answers are based on the 2017 NEC. Underlined text indicates a change in the rules for the 2017 NEC. Q. What does the Code require for underground ...

Wiring methods for underground wiring in commercial garages, repair and storage facilities may now use _____ conduit in addition to threaded rigid metal conduit (RMC) and threaded intermediate metal ...