Multimeters are indispensable tools when working on electronics. It’s almost impossible to build any but the most basic of circuits without one to test and troubleshoot potential issues, and they make ...

A multimeter and its test leads allow electrical workers to reach into an energized panel, touch live circuit components with the end of the test leads, and capture electrical readings like voltage, ...

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

If you buy something using links in our stories, we may earn a commission. Learn more. A good multimeter is like the Swiss Army knife of electronics tinkerers. It's so useful you'll rarely put it away ...

A version of Part 1 appeared in the Dec. 2011/Jan. 2012 issue of Test & Measurement World. See the PDF. In January 1979, Electronic Test published an article claiming that a single test circuit that ...

A 240-volt service powers heavy-duty appliances like ovens, air conditioners, water heaters and electric dryers. If something goes wrong in that panel, it may cause those systems to fail, damage the ...

Suppose that you need to test a 1.5V, AA-size alkaline battery. You can apply a short circuit and measure current, or you can measure open-circuit voltage, but neither method properly tests the ...

It is a device used to manage electrical flow within a system. In air conditioning units, it regulates the connection between various components, like compressors and fans, to control cooling and ...