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Old 01-06-2013, 09:35 AM   #1
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RV Park Pedestal Wiring

I know this really isn't an RV wiring question, but no area to put it. The church I attend is wanting to put in an imprompto camping area for members. They're looking at 8-10 sites, and asked me to help set it up. I know how to wire a single 30AMP plug for an RV, but was wonder if anyone (Herk) could provide a wiring diagram to put both a 20 and 30AMP outlet in the supply box?
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Old 01-06-2013, 09:41 AM   #2
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Lindy,
You may go to your local lowes or Home Depot and get help from the guys in electrical.
Im in Midland Tx.and know a guy here if you can't get any help.
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Old 01-06-2013, 09:46 AM   #3
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I am interested in this thread. Are you going to have an electrical contractor do some of the work?
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Old 01-06-2013, 10:11 AM   #4
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I see a few potential problems.

1. You will almost certainly need a building permit. In most jurisdictions, that means that you will need a licensed electrician to be involved with the project.

2. 10 sites x 30 amps is 300 amps. Will the church's electrical system handle that much added load?

3. There may be zoning issues that prohibit such use. If so, getting them changed may be difficult.

As for the 20 amp and 30 amp outlets, just wire for the 30 amp outlet and hook the 20 amp outlet in parallel.

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Old 01-06-2013, 10:14 AM   #5
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Quote:
Originally Posted by lindy View Post
I know this really isn't an RV wiring question, but no area to put it. The church I attend is wanting to put in an imprompto camping area for members. They're looking at 8-10 sites, and asked me to help set it up. I know how to wire a single 30AMP plug for an RV, but was wonder if anyone (Herk) could provide a wiring diagram to put both a 20 and 30AMP outlet in the supply box?
You will need a full up electrician I am thinking. The reason is to determine the SERVICE to supply 10 pedestals.

If all 10 require 30 amps; then you would need a 300 AMP service to feed just the RV area. Most buildings do not have 300 amp panels; let alone a single feed of 300 amps.

This would be a many thousand dollar installation.

Wiring a single pedestal would be easy PROVIDED you will never use BOTH outlet types at the same time. You could just pigtail a 20 amp duplex off the 30 amp RV plug.

To use both types at the same time, you will need a box with its OWN circuit breakers and run dual 30 amp circuits to it with wires large enough to limit voltage drop in the run and protected with a dual 30 amp circuit breaker in the feeding panel.

Hook one to the RV 30 amp and one to the 20 amp (both through the pedestal's own circuit breakers so the 20 amp duplex leg is limited to 20 amps at the outlet.

To bring dual 50 amp services to the panels your require a main DISTRIBUTION panel with a 500 amp service and wiles capable of delivering 50 amps the length of the run. Since there will only ever be 50 amps available on each circuit leg at a time (alternating), you would not need to rate the run wires for 100 amps.

Again, if you need to ask how to do it here; you most likely should hire a professional high voltage engineer (with references) familiar with campground wiring to do the job.
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Old 01-06-2013, 10:16 AM   #6
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I see Joel also posted.
His input is also correct and may very well be a "show stopper."
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Old 01-06-2013, 10:22 AM   #7
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Quote:
Originally Posted by lindy View Post
I know this really isn't an RV wiring question, but no area to put it. The church I attend is wanting to put in an imprompto camping area for members. They're looking at 8-10 sites, and asked me to help set it up. I know how to wire a single 30AMP plug for an RV, but was wonder if anyone (Herk) could provide a wiring diagram to put both a 20 and 30AMP outlet in the supply box?
Do you already have the pedestals set up, like with boxes?

If not, you can buy the outlet boxes for rv's that are already pre-made that have the 30 amp and 20 amp outlets already installed in them (along with circuit breakers). You can buy these at Home Depot, Menards, AMazon, electrical supply houses, etc.

You then only have to run the supply/feed wires to the boxes, as they are already internally wired correct for the outlets.

You will need to make sure of the supply wire sizing to the outlet boxes, as well as what you are using to provide the electrical supply/feed to the pedestals.

I'm not sure of what kind of power you will need to supply ten sites. This is where the professionals come into play, as in an electrician (one with experience in wiring a series of pedestals) and your electricity company.

When I was adding a detached garage (with air/conditioning) beside my house, I had a guy from my power company come out first. He was able to tell me if I could tap off of my house or if I needed to run another power line into it. The good thing about this guy, all his advice and recommendations were free. IMHO, your electric company would be the first place to start.

EDIT: I see where Lou and Joel answered as I was slowly typing away. LOL
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Old 01-06-2013, 10:26 AM   #8
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Midwest - U075CP6010, Pedestal, RV Equipment, Metering & Temporary Power, Distribution - Platt Electric Supply

As you can see, this is not a DIY project.
You may get to heaven sooner than you think.
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Old 01-06-2013, 10:50 AM   #9
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I agree with all the above too,and hope it doesn't pop your bubble.Alot to setting this up.
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Old 01-06-2013, 02:22 PM   #10
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Camping Area is serarate from the church bldg and will be on a supply of it's own directly off the street distribution lines. It will be for church members only for the most part. Yes I was looking at the pedestals from Midwest, but wasn't aware that they would be prewired, which solves that problem. Sort of just in the material cost factoring stage right now. Yes a licensed electrican will be on site during wiring.
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