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Old 05-18-2013, 06:19 PM   #1
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50 amp electrical question

Can I pigtail off the 50 amp service for a second 50 amp feed? I have a shop trailer and need to feed its breaker box. The plan would be to shut down heavy amp users in the coach when in the shop trailer. There is only me, so no one else to turn something on I don't want on for the duration.

Thanks!
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Old 05-18-2013, 06:40 PM   #2
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Quote:
Originally Posted by prcarol View Post
Can I pigtail off the 50 amp service for a second 50 amp feed? I have a shop trailer and need to feed its breaker box. The plan would be to shut down heavy amp users in the coach when in the shop trailer. There is only me, so no one else to turn something on I don't want on for the duration.

Thanks!
Its' all about the usage. A 50A service is really 2 seperate legs with 50A each. As long as you didn't exceed 50A on either leg, and the wiring that's feeding the service is up to spec, you would be OK. Sounds like the potential is there to overload it.
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Old 05-18-2013, 07:02 PM   #3
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Buddy Box
Buddy Box
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Old 05-19-2013, 04:28 AM   #4
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Looks like the answer.

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Buddy Box
Buddy Box
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Old 05-19-2013, 06:39 AM   #5
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Looks like the answer.
As long as you don't actually need 240V for anything. I doubt a '98 DSDP does.
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Old 05-20-2013, 06:54 AM   #6
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Actually, the tool trailer does need 220 volt service for two of my tools. That is the reason for all this. There are several ways to achieve this. The cleanest way is to connect to a 50 AMP service at the pedestal - assuming (and testing) that a true and properly wired 50 AMP service is being delivered.

Another is to grab two 110 volt outlets wired out of phase with one another. There is a fellow in Arizona that makes such a box.

Another way is straight from the generator, assuming it delivers 220 volts.

The Buddy Box delivers two 50 amp 110 volts circuits. That can't service either my coach or the tool trailer. But thanks for the tip. Good to know there are such things out there and it helped to better understand what parks deliver and how it can be used.

As for my DSDP, my understanding is that the coach has one AC on one hot leg and the other AC on the other hot leg. So strictly speaking, nothing in the coach uses 220 volt directly, but does make use of the two hot legs of the 220 volt pedestal outlet to balance the electrical load in the coach.

I stay in a park for some time as I am working in a community for a year or so before moving on. I plan to carefully test the electrical service before agreeing to stay in that park. I don't get to travel around often as so many of you do - yet.
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Old 05-20-2013, 02:21 PM   #7
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As for my DSDP, my understanding is that the coach has one AC on one hot leg and the other AC on the other hot leg. So strictly speaking, nothing in the coach uses 220 volt directly, but does make use of the two hot legs of the 220 volt pedestal outlet to balance the electrical load in the coach.
That's pretty standard for a 50A RV with a few exceptions.
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Old 05-20-2013, 05:36 PM   #8
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I don't believe your DSDP generator will put out 240v.
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Old 05-20-2013, 10:45 PM   #9
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I don't believe your DSDP generator will put out 240v.
My 2000 DSDP has a 7kw Power Tech. Wired from the factory it only puts out 110. However you can switch some wires in the control box to make it put out 220. I changed mine over to 220 so I can use it to power my stick house during a power outage.

I don't know about an Onan.
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