Checking For Proper Polarity
Checking For Proper Polarity
Normally, RV 12-volt DC systems are wired using black wire as the positive (hot) and the white wire as negative (ground). In some cases, the rig can be wired using a red wire for the positve and the black as the ground. If the polarity is reversed, many 12-volt DC appliances and accessories can become damaged.


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