![]() Should something happen and the heater draw more than 30amps, you might then have a problem but the heater itself should have its own protections against over pulling. Using the right wire size helps prevent overheating and reduces the risk of electrical fires. Like a 4-gauge aluminum wire, a larger wire is often more cost-efficient for long wire lengths. In this case if your 30amp heater were to pull the max, then you would be running at 100% of the rating. According to the American Wire Standard (AWS), 50-amp circuit breakers require a 6-gauge copper wire. If the heater is rated for 30 amps and you put a 30 amp breaker on there, then you are at a highly slighter risk as it is generally recommended to not exceed 80% of the breakers rating. In this case if the wiring is rated for 50amps, I would put the 50amp system back on there. RV Panel with 50 Amp RV Receptacle and 20 Amp GFCI Receptacle Maximum Amperage (A), 70 Number of Circuits, 2 Number of Spaces, 2 Phase Type, 1 Phase. Think of it like this, the device will only draw as much amperage as it needs so as long as you stay below the max for the circuit then you are ok. You can plug a 30-amp RV cord into a 50-amp power receptacle, such as a power pedestal at a campground, by using an adapter. This is what allows you to plug in, for example, five different devices into one circuit as long as the combination of those devices do not exceed the total amperage of the circuit. If you are planning on connecting an RV to a house, you will require a 15 A male adapter that is connected through a 30 A female adapter. The basic formula is 30 amp into 120 Volts. You will need to calculate how many watts are needed to successfully run a 30 amp RV plug. The majority of devices that you plug in will be less amperage than the circuit provides and this is kind of the point. Greg as long as you have 120/208 3 phase and you use two legs and the neutral & a ground with a 50 amp 2 pole breaker & 6 wire you will be. A 30 amp RV plug will need around 3,600 watts to run successfully. That request is accompanied by advice from Jim Finch, assistant vice president/technical services of KOA, an expert on RV systems. Putting a higher amp device on a lower amp circuit = might be a problem Please choose the 50-amp service if you own a recreational vehicle that has a 50-amp electrical system and you have pulled into a campground where both 50 and 30-amp service are available. 6.3 kW 240V Advantium Oven and 4.5kW 140V wall oven hard-wired to 50 amp breaker. ![]() Upgrading 30 amp to 50 amp for RV service. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest. Putting a lower amp device on a higher amp circuit = Not a problem. A 50 amp plug has four prongs two 120 volt hot wires, a neutral wire and a ground wire that supply two separate 50 amp, 120 volt feeds. Can I replace it with a 60 amp breaker Stack Exchange Network. ![]()
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