A few years ago during a storm, I called a company that made the Voltmaster locally and they wired any way you wanted. Not knowing ANYTHING about generators, and NEEDING one due to know power going on the 2nd day, I said to wire 120V. Now, I would like to attach using a transfer switch to the house, and wonder if it can be converted to 240V. I attached the schematic which doesn't even show it offered as 120V for the 3 prong twist-lock. Everything is 20A, even the l5-20P receptacle.
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