That means that 5,160 watts flood the circuitry and because you only had 3,600 watts of power to use, the breaker tripped. Air Conditioner-120 volts X 20 amps=2,400 watts.Converter- 120 volts X 7 amps=840 watts.Refrigerator- 120 volts X 4 amps=480 watts.Hot Water Heater- 120 volts X 12 amps=1,440 watts.Let’s see if we know what is going to happen when you plug back in, and all of those appliances turn on at once. Once you unplugged your RV for traveling and then arrived at your destination, you plugged it back in. Say you had your RV plugged in at home with several electrical appliances turned on. If you have 30 amps of main service in your RV and 120-volts running into it, you will multiply those two numbers to get the number of watts. The watts are how much power your electricity has. Fires can occur when too much amperage overheats the wiring and melts the casing. So, the resistance to flow causes restriction that builds up heat as the current flows through the wiring. Pushing too many amps through underrated or smaller wire makes the wiring hot. How much amperage your system can handle depends on the length and size of the electrical wiring. Its much like the amount of water flow in your plumbing system. You could compare it to the water pressure in your plumbing. A volt essentially “pushes” the electricity through the wires of your electrical system. Here is a brief Physics lesson on amps, volts, and watts. So, what are amps, watts, and volts and how do you figure out what your maximum usage on the RV is? Read on.
What’s great is that most of the electrical appliances have their electrical requirements on their labels such as the watts, volts, and amps.
This system powers the air conditioners, the heating element of the hot water heater, microwave, the converter, wall receptacles, and all other accessories that require a 120-volt system to run. The 120-volt AC (alternating current) system is like the one in your permanent residence. For a motorized RV, the power is generated from batteries that are connected to the alternator exactly like your car. This current runs through the seven-way pin connector on a 5 th wheel or trailer. This 12-Volt system’s power comes from the chassis batteries that power the stop lights, turn signals, and exterior lights of the RV. To maintain the charge in these batteries, the RV has a converter just like a car that converts the 120 volts to 12 volts. This system consists of deep cycle batteries that provide power to all of the 12-volt lights, water pump, the circuit board for all of the appliances, slide outs, leveling jacks, and propane detector. Here is a little more information on them. There are two 12-volt systems and a house 120-volt electrical system. Some people will say that there are two electrical systems, but there are actually three. How Many Electrical Systems are on an RV?įirst, it’s critical to understand that an RV has more than one electrical system.
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Don’t worry! We’re going to discuss how to troubleshoot electrical problems in your RV so that you’ll know what to do next time. A refrigerator, working appliances, lights, and other machinery run on electricity and when electrical problems arise you need to know how to troubleshoot them.
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