The digital voltmeter is the best basic tool for electrical troubleshooting, because it's calibrated and exact. But remember, the digital voltmeter can't detect a high-resistance fault if the circuit ...

One of life’s little annoyances is when you find an electrical outlet not working. But annoying as it may be, a non-functioning electrical outlet is actually fairly simple to deal with. Troubleshoot ...

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 ...