1/8/2024 0 Comments 12 volt tv boosterIt will use a small amount for items like the LP gas leak detector, clocks or maybe an aisle light, but not enough to really affect the amperage you are plugged into. You’re using available amps from the 30 amp electrical supply for whatever 120 volt appliances are running, but the converter is drawing almost 0 amps because you’re not using any DC accessories. Let’s say you plug your RV into a 30 amp electrical supply and you only use 120 volt appliances. Are you more confused now than when we started? Let’s try wording this a little different. When you’re plugged into an electrical source and you use DC appliances and accessories like fans, lights, pumps or the TV antenna booster you are drawing amps from the converter. When you plug your RV into an electrical source and use 120 volt appliances like the roof air conditioner, the microwave and a TV you are drawing amps from the available supply at the campground, usually 30 or 50 depending on your RV electrical system and the electrical supply you are plugged into. The AC amps we are using and the DC amps we are using. There are two types of amperage draw concerning your RV. The converter basically prevents your RV battery(s) from draining when you’re plugged in. If you weren’t plugged into an electrical source your RV battery(s) would supply the power to all of the 12 volt appliances and accessories in the RV. When you plug your RV into an electrical source, or when you use the onboard generator, the converters job is to reduce 120 volts AC down to 12 volt DC to supply power to all of the 12 volt appliances and accessories in the RV. Since, I believe, the converter is operating any time you plug into a 120 volt AC system (30 Amp), does this mean that in reality you only have 22 amps to work with (30 minus 8 = 22, and not considering clock draws, etc.)? I am developing an electric amp chart to hang inside a cabinet and I need to resolve this question as this would make a significant difference.įirst of all let’s talk briefly about what your RV converter does. Reader’s question: In one of your previous articles you list the RV converter as drawing 8 amps. I received one of these good questions the other day and thought there would be many other RVers who would like to hear the answer. Just when I thought we thoroughly covered the topic I get another good question about RV electrical systems that I failed to discuss in the previous articles. I received so many questions and comments from readers that the next month’s article was a follow up with additional information on RV electrical systems. Some time ago I wrote an article about basic RV electricity.
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