Quote:
Originally Posted by roadglide
I have tried both ways . Is the AC current more pure with the pure sign inverter left on ?
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Two methods of providing power "out of the inverter" affect the answer.
IF the inverter is "always connected to the refrigerator, then yes, "pure sine wave power is applied.
IF the inverter is connected by a transfer switch that removes inverter power when the RV is attached to shore power, then no, "pure sine wave power is not applied".
In the grand scheme of things, "pure sine wave power" isn't required by the refrigerator.
It's sort of like asking, "If I attach a water filter to the garden hose, is filtered water better for watering the lawn and does it protect the hose?" The grass doesn't benefit from filtered/unfiltered water and the refrigerator (if you have an EMS on the shore power input) doesn't benefit from "pure sine wave power".