Unless we're in the middle of a power outage, we often take for granted electricity and the ways it improves our quality of life every day. Contrary to popular belief, electricity is much simpler to understand than you may think. Whether you own, rent, or borrow your friend's rig for the. RVs draw from three separate electrical systems to power the RV technology you use to conveniently travel in comfort. 1. The standardized 12-volt DC system (for anything in the. With two types of electrical current, it's natural to question: Why don't all electronic components run on a single type? RV electrical systems are designed to operate efficiently in all the environments you might take your rig, whether it be to a. The inner workings of RV electricity are actually relatively simple. What creates the appearance of complexity are the multiple customizable configuration options available to design your RV electrical system to match your power consumption needs. Adding to the. First, figure out which electrical circuit is involved. The Venn Diagram above will help with this. Once you've identified what circuit you need to worry about, follow the flowchart below:.