Your rv will require one or the other and fortunately theres a simple way to check which type of plug your rv has. Additionally it should be clarified that stove dryer wiring at house for 50 amp rv is temporary to turn on some lights etc.

Wiring Diagrams For Electrical Receptacle Outlets Do It
50 amp dryer plug wiring diagram. It is different from a conventional 120 volt service in that there are two 120 volt hot feeds or legs each at 50 amps. The major requirement in order to feed the circuit is a 50 amp breaker. One should not camp live in camper with this wiring set up because most dyer stove and wiring is not of sufficient sizing and capacity to run 50 amps and should be reflected by the house breaker for that circuit. A wiring diagram is a streamlined conventional photographic depiction of an electrical circuit. Variety of 50 amp rv plug wiring schematic. Assortment of 50 amp rv wiring diagram.
For instance you will typically find only single ac units in 30 amp service rvs. This size breaker requires a minimum of a 10 gauge wire so this wire used would be a 102 with ground. A 50 amp service is usual at 120 volts. Although a 50 amp service for a recreational vehicle or rv is connected to four wires and uses a four prong plug it is still a three pole service with only hot neutral and ground connections. A 220 volt circuit which you could just as easily call a 250 240 or 230 volt circuit has two hot wires. B 1 14 50 receptacle.
There was no dedicated ground slot on the receptacle outlet and dryer cords had no ground wire or ground prong. In order to get this services running you need to have a 4 awg copper wire in order to stay within a serviceable voltage drop which is 3. A wiring diagram is a streamlined conventional photographic depiction of an electrical circuit. A 1 double pole 50 amp 120240 volt breaker. It shows the parts of the circuit as streamlined forms and also the power as well as signal connections between the devices. This circuit originates from the breaker box containing a 2 pole 30 amp breaker.
The 3 prong wiring diagram above shows the proper connections for both ends of the circuit. Before 1996 electric dryers were supplied by a dedicated circuit that had three conductors. A 220 volt 50 amp plug is for rvs and really large power hungry appliances such as ranges and furnaces. It reveals the elements of the circuit as simplified forms and also the power as well as signal links between the tools. Two hot wires and the third contained both ground and a neutral wire. 30 amp plugs have three pins and 50 amp plugs have four.
30 amp service is more common in smaller rvs with fewer power hungry appliances. This system worked pretty well and is still in use in many homes today but there is more potential for electrical.