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 ...

Q. What are the NEC rules for sizing transformer secondary conductors? A. A set of conductors supplying single or separate loads is permitted to be connected to a transformer secondary without ...

What is an electrical conductor? An electrical conductor is generally a metallic material that freely conducts electrical current. The best conductor is silver, followed by copper, and then aluminum.

ORDINARY electric conductors are sources of spontaneous fluctuations of voltage which can be measured with sufficiently sensitive instruments. This property of conductors appears to be the result of ...