April Wilkerson teaches the basics of safe, efficient DIY electrical wiring for switches and outlets.

An electrical schematic diagram might look like a nonsensical drawing to the layman, but to the electrical engineer, it’s a high-level documentation that provides a ton of insight and instruction. The ...

Chapter 3 of the NEC provides detailed requirements for installing wiring and raceways. Among other things, the requirements address the routing, splicing, and ...

Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...