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 ...

I'd like to monitor the amount of power (in watts) going into my speakers. I'm not concerned about over driving them or anything, I'm just curious how much power I'm actually using. I connected a volt ...

If your goal is to save on electricity, you must first measure the ac current flowing through your appliances. The formula for power is the product of the ac line voltage and the measured current.