Will 8/3 Wire Work For 50 Amp Rv Service

How to Wire 50 Amp Service for an RV

by John Cagney Nash

coach,motorhome,rv epitome by Greg Pickens from Fotolia.com

Although a fifty amp service for a recreational vehicle, or RV, is connected to iv wires and uses a four-prong plug, information technology is still a three pole service with just hot, neutral and ground connections. It is different from a conventional 120 volt service in that in that location are two 120 volt hot feeds, or legs, each at l amps. A 50 amp service is not a xxx amp service and a 20 amp service joined together. Even the largest RVs, when plugged into 50 amp service, nevertheless virtually universally use this double-hot-pole, or double-passenger vehicle, installation to draw only 120 volts to two separate 120-volt circuits simultaneously, thereby accessing a possible 12,000 watts of ability.

Step 1

The outlet is called an NEMA 14-50R. Buy a 50 amp outlet which is pre-installed into product-specific, self-contained, weather-proof box. Buy ROMEX® #6 wire, meaning each hot wire and the neutral wire are six-judge.

Step ii

Disconnect the breaker panel which will serve the new fifty amp outlet by shutting off the chief breaker. The supply to the breaker board will typically be split single stage, meaning two hot wires serve the breaker board along with a single neutral connection and a unmarried ground connection.

Step 3

Locate an unused double-pole l amp billow, or install a double-pole fifty amp breaker in a vacant location. Connect the red wire to one terminal on the outlet side of the breaker, and connect the blackness wire to the other terminal on the outlet side of the breaker. Connect the white wire to neutral bus-bar. Connect the green or bare wire to the grounding block.

Pace 4

Wire the "U" shaped receiver, properly chosen the "half-round," which is at twelve o' clock on a clock confront, to ground, a green or bare wire. The terminal screw will exist painted green.

Step five

Wire the receiver directly below the one-half-circular, which is at six o' clock on a clock face, to neutral, a white wire. The concluding screw volition be painted white.

Footstep half dozen

Wire the ii receivers to either side of the plug, which are at three and nine o' clock on a clock face, to the two hots, a red wire and a blackness wire. The two hot wires are phased at 180 degrees from each other, which is how twin 120-volt supplies are delivered to the RV rather than one 240-volt supply. The red and black wires are interchangeable, meaning that it does not matter which hot receiver either wire is connected to.

Footstep 7

Switch the master billow back on, and switch on the double-pole breaker serving the new 50 amp outlet.

Use your voltage meter, set on 240 volts as per the manufacturer's instructions, to test the outlet earlier plugging the RV in for the commencement time. Locate one probe in ane hot receiver and the other probe in the neutral receiver; the reading should be 120 volts. Locate one probe in the other hot receiver and keep the probe in the neutral receiver; the reading should still be 120 volts. Locate the two probes in the two hot receivers, one probe to each receiver, and the reading should be 240 volts.

References

Things You lot'll Demand

• NEMA xiv-50R outlet
• ROMEX® six-judge wire
• Basic electrical toolkit

Warnings

• Treat electricity with respect. Mistakes can be lethal.
• Do not confuse the xiv-50R with the 240-volt household outlet familiar from its use in powering clothes dryers and cookers. They are "common" outlets, meaning the two 120-volt supplies work together to evangelize 240 volts to a 240-volt appliance. The fourteen-50R is an "uncommon" outlet, meaning information technology delivers two 120 volts currents. Your RV must be thought of as ane very large 120-volt apparatus. Even certified electricians who are unfamiliar with RVs tin can mistakenly presume an enormous RV is a 240-volt appliance, but plugging information technology into a 240-volt supply volition destroy all appliances and accessories, and tin crusade burn. A wrongly-wired 50-amp service tin can innovate 240 volt electricity to your RV with the aforementioned results.

Writer Bio

John Cagney Nash began composing press releases and event reviews for British nightclubs in 1982. His material was first published in the "Eastern Daily Printing." Nash's work focuses on American life, travel and the music industry. In 1998 he earned an OxBridge doctorate in philosophy and immediately emigrated to America.

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