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.

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Ok, I'm trying to measure the amp on the cable going to my P4 that I want to run 24/7. The first time I did it I did it without reading the manual, and it may or may not have shorted that time (it did ...

Measuring AC current (220-V mains RMS current) is not as simple as measuring DC current. In DC current measurement, you can simply hook the oscilloscope probe to the shunt resistor and calculate the ...