07 Sep 11 07:01, TOM WALKER wrote to ROY WITT:


 RW>> RW>> No, it's more than that. When you use 110v at 10amps to run an
 RW>> RW>> electric motor, it will cost you twice as much as a
220v motor,
 RW>> RW>> because the 220v motor will use half the amps.

 RW>> TW> BUT you do NOT pay for electrical power based on the Amps alone.

 RW>> That is true, but previously you based your figures on horsepower,
 RW>> now you're using the correct terms that I showed you.

 TW> In the Electrical Trade as far as power consumption goes Horsepower
 TW> and Watts are interchanglable as 1 Horsepower = 746 Watts

Meanwhile, the utility company won't bill you for horsepower used. That's
the whole point of billing in Kilowatt Hours.

 RW>> TW> IT is the Amps tiems the Voltage so the 220 volt motor drawing
 RW>> 10
 RW>> TW> amps is a 2200 Watt chargable Load as is the 110 device drawing
 RW>> 20
 RW>> TW> amps also 2200 Watts chargable load!!

 RW>> You're charged in Kilowatt Hours used. It sometimes takes twice as
 RW>> long to heat a spa at 110v as it would 220v because 220v is capable
 RW>> of doing twice the work in half as much time. Not only can 220v use
 RW>> less wire size, it can do so in a longer run.

 TW> That is becasue the Heating elements are only being 1/2 powered. IE:
 TW> the 10,000 Watt heating element becomes a 5,000 Watt element on 110
 TW> power. Simple Ohms law aplication.

 TW> But still it DOES not cost twice as much to run a motor in 110 than
 TW> one on 220 as you implied the Motor Horsepower being the same.

I did't imply that. I said that you can save money by running 220v vs
110v, but I didn't say how.


                R\%/itt


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