In this video, I take a multimeter and show you how to use various functions on the multimeter on how to test a few different ...

Back in the early days of electricity, lab workers could measure electric current in a circuit using an ammeter (galvanometer) and voltage using a voltmeter. From there, they could calculate ...

If you’ve never used a voltmeter to test electrical circuits on 12-volt farm equipment, cars or trucks, but wanted to learn, here’s how: Voltmeters cost from $15 to $300. $50 will buy an economy-grade ...

It is of utmost importance for service technicians to understand voltage troubleshooting when servicing HVACR equipment. The majority of service problems are electrical problems, which usually cause ...

Multimeters seem simple enough to use. You turn it on, connect the leads, then start poking things. Really though, there’s a quite a bit going on in a multimeter and a lot of different settings to get ...

I'm having problem with a starter motor on a riding mower, and need to check if the motor is getting juice and not working or if something else isn't working and no juice is getting to the starter.

A customer recently called to ask questions about the electrical system on his machine. I asked if he had a voltmeter. There was a long pause, then he said, “Yes, but I don’t know how to use it.” He ...