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10,000 watt generator 220 plug doesn't work

I have a 10,000 watt generator that we purchased used. I don't know the brand. It has 2-110 outlets and 1-220 outlet. Both of the 110 outlets work just fine, but the 220 doesn't work at all. What are the possible causes and what can I do to fix the problem?

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  • Anonymous Mar 14, 2014

    i need 40 amps to power my band, how does that calculate to watts for a generator

  • Anonymous Mar 16, 2014

    I have a portable generator with 110 output and want to convert to 220 what will I do

  • Anonymous Mar 16, 2014

    I have a portable generator with 110 output and want to convert to 220 what will I do

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Most generators have several circuits incorporated within the windings. There are usually two 115v windings, one or two windings that produce power and sensing voltage for the regulator that supplies power to the armature (produces magnetic force) and sometimes a 12v winding to supply power to charge the battery. The two 115v windings power one 115v plug each and together power the 220v plug. Each outlet has a breaker and or ground fault. Since the 115v plugs are working indicates that the 220v plug must have an open/broken wire or faulty breaker. Easy to check, however you must open cover to wiring compartment and trace wires. Should be easy fix. You do not have to start engine to find broken wire. Use ohm meter instead. With engine off, Insert probes into 115v plug and obtain ohm reading. Then insert probes into second 115v plug and obtain similar reading. Look for same reading at the 220v plug (remember 2 circuits of 115v, ground and neutral). Good luck with your repair and email if you have other question.

Posted on May 10, 2009

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