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Old 06-05-2016, 11:50 AM   #15
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http://www.rvtechmag.com/electrical/chapter3.php
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Old 06-05-2016, 11:04 PM   #16
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Originally Posted by Walt Bennett View Post
They all have 120v appliances and lighting. Haven't seen a 220v heat pump, water heater or furnace in any.
Lighting in most every RV is 12v DC powered so far as I understand.

You've posted this in a couple threads now and the theory has been rebutted. The link posted above provides a great explanation.
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Old 02-14-2018, 06:49 PM   #17
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Originally Posted by 1bigmess View Post
120v at 880 amps is 10,560 watts. You'll never be able to ever get more than 10,560 watts (theoretically). Period. 120 volts will get you about 88 amps. 220 will get you roughly half the amps.

Vehicle engines are not designed to idle, and alternators don not give full output at idle. Check the cost of wiring for 50 amps at 220 and see if that changes your mind. Is the cost of a good generator so outrageous that you'd rather pay for a 220v inverter?


theve got 3500kw panels for sale now
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Old 02-14-2018, 07:03 PM   #18
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Sorry, the PLUG does not determine how many VOLTS one gets - it's how the circuits are wired in the coach. If you've got two separate (but ganged) 50 amp breakers, I'd suggest you had better have a heavier gauge shore cable than is standard, or perhaps someone gave you two larger capacity breakers than is needed. ALL fifth wheels I've seen do not have 220v anywhere. If you claim some 'high-end' ones use 220 volts inside for anything, I've never seen one do so. They all have 120v appliances and lighting. Haven't seen a 220v heat pump, water heater or furnace in any.
My MH has a 220/240 volt dryer and a 12.5 kw generator. And the statement was "high end coaches", not 5th wheels.
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