Forum Discussion
Old-Biscuit
Jun 20, 2015Explorer III
You have 2 electrical systems in RV
120V AC and 12V DC
120V AC via power cord....runs microwave, A/C Unit, wall outlets and powers converter.
12V DC via converter (if on shore power)and/or battery.....runs lights, water pump , t-stat for A/C Unit, fridge/water heater controls, furnace etc.
Converter also charges battery when on shore power
No shore power....parasitic draw on batter---battery goes dead
Converter can be damaged by lightning surge........also circuit boards on appliances that were on.
120V AC and 12V DC
120V AC via power cord....runs microwave, A/C Unit, wall outlets and powers converter.
12V DC via converter (if on shore power)and/or battery.....runs lights, water pump , t-stat for A/C Unit, fridge/water heater controls, furnace etc.
Converter also charges battery when on shore power
No shore power....parasitic draw on batter---battery goes dead
Converter can be damaged by lightning surge........also circuit boards on appliances that were on.
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