Good explanation Wowbagger. The important difference between 12v systems and 120v systems is the current draw that requires much larger cable sizes. 1200w is 10 amps on 120v and 100 amps on 12v. A #14 wire is OK for 10 amps. As you might expect, 100 amps requires a cable 10 times as large roughly.
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2008 Ford E-350 Quigley 4x4 V10 - 164,000 miles
RB50, PH Top, Dual AGM Group 27 Deka, 2000 Tripplite Inv., No Propane or Water Systems
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