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This is because two of the prongs are each 120-volt transmitter and each supply electricity to their own “main” lines. It has been mentioned that a 50 amp plug has four prongs. Therefore, if you tend to run a lot of appliances simultaneously or have a bigger RV you will likely be equipped with a 50 amp system. This uses a four-pronged plug and must be hooked up to the appropriate 50 amp receptacle.Ī 50 amp set up can provide 12000 watts of electricity, much more than 3600 watts of a 30 amp system.
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If you have a bigger RV, especially one with more than one rooftop air conditioner or residential-sized appliances ( like washers, entertainment systems, and refrigerators) you will need a 50 amp electrical system. On this system, you can expect an RV to have multiple outlets, a television, one rooftop air conditioner, a microwave, and a refrigerator.
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These are popular with small to moderate-sized RVs that don’t typically draw a lot of power. For the purposes of this post, we will be looking at 30 amp systems and 50 amp systems as possible power sources.ģ0 amp systems use a three-prong plug to distribute 30 amps or 3600 watts of electricity to your rig. Having a host of appliances in your RV means that you will need an energy source to run them. What Concerns Are There When Using an Adapter?.An Overview of RV Energy and Electricity.
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Alternatively, you can use solar panels and batteries when camping off-grid or a generator to supply power while staying at a campground without power. Using shore power is the easiest way to get electricity to the RV. You should travel with a gearbox containing a variety of accessories so you’re never caught off-guard. Having the proper power cords and adapters is essential to a smooth road trip. Corrosion increases resistance and the extra heat can lead to damage. Keep the prongs of your power cords and other accessories clean using a wire brush. Connect the RV Power cord to the surge protector.Plugin the surge protector or voltage protector.If you have a voltmeter, check the power pedestal voltage.Always start with the breaker switch on the power pedestal off.RV surge protectors won’t tell you voltage, but they will prevent most electrical problems. These are especially useful when protecting against improperly wired outlets or lightning strikes. It won’t be a continuous reading like the other devices, but it can let you know if it’s initially safe to plugin. In this case, if you don’t have the means to buy purpose-built electrical adapters, you can use your multimeter to quickly check the campground’s box for proper voltage. Low voltage can overheat your wires and damage your electrical devices.Ī multimeter is a general electrical tool that everyone should have in their RV because they are key to diagnosing many electrical issues. Many come with surge protection as well, which protects your RVs electronics from voltage spikes.Ī voltage protector has all of the features of a circuit analyzer but also includes a voltage disconnect if the voltage drops too low. Low voltage can damage wiring and start fires, and grid surges can wreak havoc on your appliances.īefore plugging in, you’ll want to check the power pedestal voltage.Ī circuit analyzer connects directly to a campground socket and lets you know if it is safe to plug your RV in. Additionally, when a lot of RVs are pulling power from the same pedestal you can end up with a ground-out. But they are smaller, making them easier to store and less expensive.Įvery once in awhile campground wiring isn’t up to snuff, which can lead to power surges and cause damage to your camper. Puck adapters are a little more finicky- they can heat up due to their size and connections aren’t always as secure. Adapters only change the physical shape of the campsite plug to fit your RV. The two main types of RV adapters are dog-bone adapters and puck adapters. That means to plug into a power pedestal you’ll need the correct adapters. Unfortunately, not all campgrounds come furnished with both 30A and 50A hookups. Most of the time this will be plenty to reach your RV campsite from the power pedestal. We recommend traveling with about 20-30ft of cable. Note that a 50A cord costs significantly more simply because it’s using heavier wiring. Many RV power cords also come with lock rings that provide additional security in the connection. They can heat up to the point of starting a fire if you try to use them! The orange cord that you buy at a hardware store might fit the plugs with an adapter, but they’re not designed to carry the 30-50A that is needed for most RVs. 25ft 30A RV Power Cord RV Power Cords and Extension CordsĪn RV Power Cord is a heavy-duty extension cord (often called an RV extension cord).