A reader submitted these pictures of a chiller served by a feeder that consists of three sets of 350 kcmil THHN conductors that originate at an 800A breaker in a switchgear room, extending about 600 ...

This article is the second in a 12-part series on the differences between grounding and bonding. What is a separately derived system (SDS)? Its defining characteristic is that it’s not connected to ...

DESIGN VIEW is the summary of the complete DESIGN SOLUTION contributed article, which begins on Page 2. There are many ways, and just as many opinions on the best method, to configure grounds for ADCs ...

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 ...