Before you attempt to fix a faulty light switch, make sure you understand the basics of light switch wiring. Being a smart homeowner means knowing what is going on in your home and how it works, ...

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 ...

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 ...

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, ...