There are three prongs on a 30 amp rv plug, there is a 120 Volt wire, a hot wire, and a ground wire. Wire the live/positive/hot wire to the live prong on the plug. The ground wire should be wired to the ground prong on the plug. The ground wire is usually green.

How many wires are in a 30 amp RV cord?

Thats because your 30-amp RV outlet needs one neutral, one hot and one ground wire to be connected properly, as shown in this diagram. In fact, its wired exactly the same way as your 15- or 20-amp home outlets are, albeit with heavier 10-gauge wire, instead of 14- or 12-gauge wiring.

How do you wire a 30 amp box?

0:251:41How to Wire a 30 Amp Subpanel : Electrical Installations & RepairsYouTubeStart of suggested clipEnd of suggested clipAnd one line right here which makes it 240 volts you have the white wire which is your neutral orMoreAnd one line right here which makes it 240 volts you have the white wire which is your neutral or common wire and then you have the ground wire that is attached to the ground bar.

How much does it cost to install a 30 amp RV outlet?

$425 – $1,200. The cost to install an RV electrical hookup for plugging in your recreational vehicle averages about $810 for the materials, labor and hiring a licensed electrician.

Can I plug my RV into 220V?

Outlets configured to deliver 220v should not be used directly for an RV application. The RV system requires 120 volts. Putting 220 volts into an RV electrical system will damage or destroy the appliances and other systems in the RV.

Does an RV receptacle need to be GFCI protected?

All 125‐volt, single‐phase, 15‐ and 20‐ampere receptacles at RV parks are required to have listed ground‐fault circuit‐interrupter (GFCI) protection for personnel. 30‐ and 50‐ampere receptacles used in RV park supply equipment shall not be required to meet the requirements of 210.8(B).