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Tool Talk Discussion Forum

Re: Sparkle question

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Mike Groom

10-04-2013 17:16:14

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The power output can be the same but the 220 will use less watts to give you that,so it would be cheaper in the long run if you have a plug wired for use of it.

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Dusty MI

10-04-2013 17:40:07

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 Re: Sparkle question in reply to Mike Groom, 10-04-2013 17:16:14  
When the volts go up the amps go down. Double the volts the amps will be one half. If amps are 10 at 120 volts, then the amps will be 5 at 240 volts. 10 x 120 = 1200 watts, 5 x 240 = 1200 watts.

Volts times amps = watts. So watts stay the same, no matter the volts.

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Dr. Walt

10-04-2013 18:15:36

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 Re: Sparkle question in reply to Dusty MI, 10-04-2013 17:40:07  
Then theoretically if you need a 1200 watt motor to run, you could increase your voltage to 1200 volts and not have any amperage - don't see how that could work????????????????????????????????????????????????

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Paul Janke

10-04-2013 19:26:15

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 Re: Sparkle question in reply to Dr. Walt, 10-04-2013 18:15:36  
It would draw one amp. 12,000 volts would make it one tenth amp.

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Indiana Ken

10-04-2013 17:37:11

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 Re: Sparkle question in reply to Mike Groom, 10-04-2013 17:16:14  
Quoting Removed, click Modern View to see

I believe you mean; operating on 220 will use less amps than for 120. Watts = Volts x Amps and since the amps are reduced by approximately half the watts remains the same. To be completely correct: yes, the watts are reduced slightly since the reduced amps produces less heat in the windings.



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Bus Driver

10-04-2013 17:36:08

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 Re: Sparkle question in reply to Mike Groom, 10-04-2013 17:16:14  
The motor will use lower amperes on the higher voltage but the wattage will be the same on either voltage. . A watt and horsepower are units of the same measurement (power) but of different size.

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