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Old 12-25-2013, 07:01 PM   #1
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reconnection of power

Yesterday the park we were staying at lost electric for 6 hrs.
during that time we used the generator for 2 hrs. then the power inverter for power. We disconnected the shore power in case the electric came back on. Our question is if we had not disconnected the shore power would it ruin the generator or the inverter had they been in operation when power was restored?
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Old 12-27-2013, 07:34 AM   #2
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If you can run the generator with shore power cable hooked up then you probably have a transfer switch. If you do then it will automatically switch back to shore power. I would check your documentation for an automatic transfer switch.
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Old 12-27-2013, 08:39 AM   #3
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I would always disconnect the shore power when running a generator ....... don't know about the transfer switch on a camper but in a house you can feed back through the power line trough the transformer & severely injure someone back down the line.
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Old 12-27-2013, 08:51 AM   #4
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http://en.wikipedia.org/wiki/Transfer_switch
With a transfer switch you do not need to disconnect the power. I like it when the power goes off and the generator starts and supplies power until power is restored. Again check the documentation on your specific rig.
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Old 12-27-2013, 08:56 AM   #5
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This is at home. I use a portable generator on my 5th wheel.
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Old 12-27-2013, 09:55 AM   #6
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Originally Posted by Oaklevel View Post
I would always disconnect the shore power when running a generator ....... don't know about the transfer switch on a camper but in a house you can feed back through the power line trough the transformer & severely injure someone back down the line.
This is a very true statement. I would also say that could happen at a CG very easily. Very good point Oaklevel....... I tell ya we have some smart people in Virginia. "HAPPY NEW YEAR" To everyone on the Forum.
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Old 12-27-2013, 02:56 PM   #7
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As far as using a portable generator at home, a transfer switch is the only safe way and is required by the National Electrical Code. It isolates the generator from the utility. Hence, no feedback. I use a 4400 watt generator with a 6 circuit power transfer kit made by Reliance Electric. This system has served me well during numerous power outages. I have used the same generator to power my previous TT during some outages. I did disconnect my cable from the shore power with the trailer.

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Old 12-27-2013, 03:23 PM   #8
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Wouldn't pulling the main breaker have the same effect as having a transfer switch?
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Old 12-27-2013, 04:36 PM   #9
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My trailer came with a transfer switch even though I didn't get it with the generator. It's pre-wired to the generator cabinet though. However, I'd have to wire it up to plug into the generator if I wanted to use it in the scenario you're describing.
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Old 12-28-2013, 06:40 AM   #10
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reconnection of power

Except with a transfer switch when the electricity comes back on you don't have to do a thing. It's automatic no going out in the weather to flip breakers and switch wires.
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