How to Make the DC Transformation It is time for our codes and our wiring to reflect this, shall we say, transformation. It is time for big steps: 1) Develop a universal standard around 12 volt dc ...

Cars, trucks, RVs, and motorhomes run dual 12-volt batteries for various reasons. Depending on how you wire a two-battery 12-volt system, the result can be a 12-volt system or a 24-volt system ...