This circuit is designed to check the condition of lead-acid and gel cell batteries with capacities greater than 20Ah. It switches a load of about 18A at a rate close to 50Hz so that the internal ...

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 ...

Today I learned that you can test the water resistance of a smartphone without throwing it into a giant pool. All you need is a water resistance tester app, like the one that’s been making the rounds ...

Electrical safety testers—often referred to as “hipot” testers—are an integral part of electrical and electronic equipment manufacturing. Hipot testers get their name from the high-potential (high ...

Klein Tools (www.kleintools.com) introduces the ET600 Insulation Resistance Tester, which is suitable for maintenance professionals who install, troubleshoot and maintain electrical wiring and ...

It's been about a decade since I thought about Apple's old slogan: "There's an app for that." That changed this Wednesday. Apple had nothing to do with it, though. Rather, it was an Android app ...

Download this article in PDF format. Proper wiring and probing/contacting are critical to making successful measurements. When testing cells or batteries, using good engineering practices is important ...

In Episode 27 of “EC&M Tech Talk,” Randy Barnett, a journeyman electrician, inspector, author, trainer, and electrical safety expert, reviews the purpose and methods used for measuring the quality of ...