On 8 February 2010 04:10, Nick Holland <n...@holland-consulting.net> wrote: > With all this talk about power reduction...I'm going to toss out one > small suggestion: > > Get a Wattmeter, and measure... Don't waste your time speculating. > > An ammeter and high school physics V*A=>Watts doesn't cut it for AC > (in general -- a lot of machines are power-factor corrected now so V*A > becomes QUITE useful again, but some have a really big power factor > still...just discovered a P4-vintage machine running a power factor > of 0.65, which surprised the heck out of me. And if you have no idea > what I'm talking about, just
...go here: http://en.wikipedia.org/wiki/Power_factor
