3 Prong Generator, 4 Prong Inlet Box on Transfer Switch


Old 08-27-07, 04:24 PM
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Join Date: Aug 2007
Posts: 4
3 Prong Generator, 4 Prong Inlet Box on Transfer Switch


I am wiring a generator to my house using a manual transfer switch. The transfer switch and inlet box take a 4-prong plug. However, my generator only has a 3 prong plug (L5-30). I only want to power 120V circuits in my house. How do I convert my 3-prong plug to plug into the 4 plug inlet box? I want to power both halfs of the 6 circuit transfer switch so that I can power 6 120V circuits. Can I make a new cord and wire the 2 hot wires together at the 3-prong end, then wire them normally at the 4 prong end?

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Old 08-27-07, 05:05 PM
Join Date: Sep 2003
Location: Central New York State
Posts: 13,973
Rather than make a cord like that, make a small adapter. Use a normal cord and the small adapter.
Old 08-27-07, 06:34 PM
Join Date: Sep 2002
Location: welland ontario
Posts: 5,678
That would work.

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