Quote:
Originally Posted by Skimmin
I understand its watts we get charged for but low amperage is better right? eg... 2 x 250watt halides @ 1.5amps ea is better(less power consumption) than 2 x 250watt halides @ 3 amps each. Although I didn't realize that would only be 2.2amps @ 120v. Thats SWEET!
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Low current is better only if the voltage is low as well!
The formula for watts is:
Watts=Voltage*Current (amps)
so wattage is a double edged sword high voltage low current or high current low voltage is the same wattage. That's why we pay in watts the power company gets you both ways!