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, ...

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, ...

Whether you need to customize your engine wiring harness or just want to improve its appearance, we offer an alternative to purchasing expensive aftermarket harnesses. Keep in mind that this is not a ...

Find the disconnect switch to your air handler or furnace, and switch it off. This will be located near the unit. Shut off the circuit breaker at your home’s electrical panel if you can’t find the ...

There’s a few open source options out there for creating electrical schematics. KiCad and Fritzing are two that will take you from schematic capture to PCB layout. However, there’s been limited ...

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, ...

Whether scratch-building a complete wiring harness or lengthening kit-supplied wires, you need to determine the correct electrical wire size needed to support each electrical device. The wire must ...

THERE are many practical hints in this little book which appeal to common sense, although from the point of view of the ordinary electric wireman they are quite unorthodox. The author points out, for ...