While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

Digital multimeters have replaced traditional analog meters long back. It offers better accuracy, reliability, and better handling of impedance. It is a versatile device in the truest sense. You can ...

If you’d like to fix or even diagnose anything involving electricity – whether it’s the energy that surges through a car, ...

In Episode 21 of “EC&M Asks,” our subject matter expert Tommy Northcott, P.E., a senior power engineer and branch manager for Jacobs Technology, Inc., answers some of his most-asked questions about ...

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 ...