Quote:
Originally Posted by Trkyte@msn.com
Just a note here a 3000 watt inverter needs at least a 4/0 cable size. The transfer relay wouldn’t be able to take that kind of current and is probably wired with a lot smaller gauge.
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3,000 watts is 25 amps @ 120 volts which is fine for a 30 amp transfer switch. 3,000 amps @ 12.2 volts is 246 amps 0000 or 4/0 can carry 195 amps when the conductor is 60 C degrees and 260 amps when the conductor is at 90 C degrees. These are open run temperatures. If the wire is in conduit the amperage ratings will be lower. Handling anything larger than 2/0 welding cable is very difficult and heavy
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