The HVACR electrical training package includes a 420-page spiral bound training manual, an accompanying instructor guide and PowerPoint CD. This book is clearly written and easy to understand, ...

Seems like every time we loan out our trailer it comes back with the lights not working, and we end up having to rewire the whole thing. It’s not that we did it wrong the first time, but with the ...

In this installment of Weekly Boiler Tips we cover how wiring diagrams work, the most common switches and symbols, and how to test limits to build your own reference guide. Troubleshooting without a ...

For many, wiring is one of the most intimidating aspects of a restoration or project upgrade. Most mechanical repairs and aspects of a restoration are what we’d term “nut-and-bolt” work, meaning that, ...

We show you how to wire in an electric fan relay kit with a thermostatic switch. If you've got an electric cooling fan on your classic car or hot rod and you want to know how to wire it with a relay, ...

A circuit always has a battery (cell) but it can also contain other electrical components, such as bulbs, buzzers and motors. When drawing circuit diagrams, rather than drawing detailed components, we ...