We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, ...

When working on electrical projects around the home—whether that’s troubleshooting an issue with your HVAC system, repairing an appliance, or testing a car battery—a multimeter is essential. These ...

Klein Tools introduces the Non-Contact Voltage Tester with Laser Distance Meter (Cat. No. NCVT-6), which detects the presence of AC voltage and measures distances up to 66 ft – all in one lightweight, ...

Electricians always carry non-contact voltage testers with them, and you should have one, too. They’re inexpensive and easy ...

Jeff Somers is a freelancer who has been writing about writing, books, personal finance, and home maintenance since 2012. When not writing, Jeff spends his free time fixing up his old house. He has ...

Look over your main electrical panel and the area surrounding it. You should have three feet of clear space around the panel, and an easy-to-find, battery-operated light source available for when the ...

Measuring rise time for a power source. Voltage vs. time signals measurements via a scope. A practical setup for battery testing. I was recently asked a question about a dc power supply, aka a voltage ...