All questions and answers are based on the 2017 NEC. Underlined text indicates a Code change. Q. What is the reason stated in the NEC for connecting electrical systems to the earth (grounding)? A.
Underlined text indicates a Code change. Q. The neutral of a grounded electric utility service must be installed and terminated at what location in accordance with the NEC? A. A service neutral ...
The Family Handyman on MSN

Understanding Electrical Wire Color Codes

First on the electrical wire color code is black. “Black wires are most used as ‘hot’ wires in residential systems,” says ...