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Another Ryobi video

Post in 'The Gear' started by wahoowad, Nov 25, 2006.

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  1. jjbaer New Member

    joined: Oct 24, 2006
    781 posts
    OH
    Hi,

    1 HP equals about 746 watts so 3HP is about 2,200 watts. On a 120 volt circuit, that's about 18.5 amps, assuming a 100% conversion of electrical energy to HP. Since motors are about 85% efficient, at 3HP max you'd probably draw about 22 amps. So......IF it's a 120 volt 20 amp circuit, you're marginal in being able to operate it......
    jjbaer, Jan 9, 2007
    #51

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