Smith's RV Centre

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.

 

Return to How to Guides and Videos