Ditto above...
A four prong 50 amp RV connector is really two 120 volt circuits that feed a split panel, 50 amps on each side. With 50 amp shore power you really have two 50 amp circuits = 100 amps X 120 volts = 12,000 watts.
So with a Y connector plugged into only the 15 amp side you are only powering one side of the split panel with only 15 amps. ie the red or black side in the diagram.
When using both sides of this type Y connector it would be the equivalent of running an Onan 5500 (watt) generator with 30 amps to one side (the house) and 20 amps to the other side (main AC) of the split panel.
With a two straight adapters, 15 to 30 into a 30 to 50, you would still be powering only 15 amps, but to both sides of the split panel.
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Mike & Helen
2014 Voltage 3895 EPIC III
2013 Ford F350 CC DRW FX4
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