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 neutral conductor can be used as the circuit equipment grounding conductor on the supply side or within the enclosure of the service disconnect in accordance with Sec. 250.24(B) [250.142(A)(1)].

Few topics in the industry elicit as much controversy as grounding. Poor grounding practices cause ongoing equipment problems in a facility, whereas proper deployment ensures reliable and productive ...

For starters, the term "ground" refers to a conductive body, which is typically the earth. The act of "grounding" means creating a low-resistance path between an electrical circuit or equipment to the ...

This article discusses many common misunderstandings about the function of the neutral wire and its relation to power problems. The subjects of dedicated lines, phase reversal, isolation transformers, ...

A friend who was buying an older house was concerned about electrical safety and asked for my opinion as an electrical engineer. All of the AC receptacles (also called outlets) in the house were the ...