Q: A friend tried to change three-way switches for me at the top and bottom of my steps, and now they don’t work right. Then, all of a sudden, my doorbell stopped working. A friend at work said I ...

How do you know if a resistor is correctly restricting the flow of electricity? Using a multimeter is an obvious answer. However, there is more to it than meets the eye. This article will explain what ...

Hi everyone, Randy here again. I guess I'm not screwing up as bad as I thought because those magazine editors keep asking me to write another column. They said as long as I have something to talk ...

Multimeters are absolutely necessary for any type of electrical work. From installing a ceiling fan to changing a junction box, using a multimeter helps determine if wires are hot or not (and so much ...

The new FLIR DM284 multimeter combines an 18-function industrial, True RMS digital multimeter with FLIR’s infrared guided measurement technology (IGM), which quickly steers the user to the precise ...

Ignition failures, nonfunctioning lights and complete engine breakdowns all can signal problems with a truck’s electrical system. But while most truck technicians know how to measure a truck’s voltage ...