![]() ![]() If you are plugging into a 20 amp circuit you buy a 15 amp to 30 amp adaptor that attaches to You still only get 30 amps or 3,600 watts of power but at least it isĪvailable to any circuit in your coach. You are supplying both halves of the breaker panel with power. This dog bone adaptor takes the 30 amp hot phase and wyes it to both of the 50 amp hot phases. With a 50 amp service should have a 30 amp to 50 amp cord adaptor, commonly called a dog bone, handy for those times when a 50 amp So, a 30 amp shore power receptacle will give you 3,600 watts (30 amps x 1 pole x 120 volts = 3,600 watts).īut, in order to supply a 50 amp coach with power on both sides of the breaker panel some mods have to be made. ![]() The hot phase could be either X or Y, depending upon how the pedestal was wired, but it really doesn't matter because you are When you plug into a 30 amp shore power receptacle there are only 3 wires - the hot phase, the neutral phase, and a The X phase feeds one side of yourīreaker panel while the Y phase feeds the other half. A 50Īmp shore power receptacle contains 4 wires - the X phase, Y phase, neutral, and a ground lug. Therefore you have a total power capacity of 12,000 watts from these two poles (50 amps x 2 poles x 120 volts = 6,000 watts). If you plug an RV into a 50 amp service you will have pretty much the same thing. If you connect from either the X or Y phase to the neutral wire you will have 120 volts. A third wire is also run to a lug strip and this is the neutral wire. This service is split between the two poles of the breaker panel, called the Residential systems are fed a large capacity service. This is different from a residential electrical system. The shore power feeds theĪutomatic transfer switch which then feeds the AC breaker panel. Shore power can be provided to an RV via 3 common services 20 amp, 30 amp, and 50 amp. Library Contents Search the Library RV Tech Library Help Page Site Map About Us Tiffin RV Network TRVN Classifieds Campground Reviews Photo Gallery TRVN StoreĪppliances Batteries Boondocking/Dry Camping Chassis Clubs & Forums Electrical Electronics Engines Exterior Maintenance Generators Heating & Air Conditioning Interior Maintenance Misc Items Operating Tips Plumbing Red Bay Safety & Health Storage Supplier Contacts Tires and Wheel Rims Towing Transmissions Weighing RV Tech Library - Shore Power Connections Tiffin RV Network Home ![]()
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