The multi-wire branch is here to stay; so is ground fault protection. But we should unite these technologies only when it’s a good match. Ground-fault protection and the multi-wire branch circuit ...

It’s no secret that the electric company, phone company, and cable TV company all frequently share space on the same utility poles. National Electric Safety Code (NESC) rules control the location and ...

Question: I am rewiring for a dryer plug from the circuit box. My old dryer wire had only three wires, a red, black and white. My new wire also has a ground. Is the ground needed or does the white ...

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 ...

AN estimated 58 people lose their life each week as a result of electric shock. In an electrical system, the grounding system is the primary protection against electrical shock hazards. It provides a ...

Adapted from The Circuit Designer's Companion, Third Ed., by Peter Wilson (Newnes). [Part 1 began a look at grounding: when to consider it, how chassis materials affect it, and the problem of ground ...