| Re: roof ac [message #347110 is a reply to message #347091] |
Fri, 30 August 2019 12:47   |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
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A good 12 gauge cord will easily carry 15 amps or even 20 amps. Keeping it as short as practical also helps reduce voltage drops. The problem is most people have 16 ga or 14 ga. extension cords, not 12 ga. I did an experiment once and with a 50 foot 12 ga. cord I saw a 2 volt drop with my AC on high. The voltage was 122 at the wall where the cord was plugged in and 120 inside the coach at full AC load. Heck I have 12 ga. circuit runs longer than that inside my house. I did once run a GMC on a 16 ga. 10 foot cord. The cord did get slightly warm.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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