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Old 03-07-2017, 09:24 PM   #1
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Surge guard 30 Amp install needing help please

My Chevy 454 1994 Fleetwood Bounder 34J has a 7000 watt Onan Gen. I was reading that if you have a generator I need to install the surge guard after the transfer box. First what is a transfer box and second has anyone installed a surge guard on there RV? I was so excited to install tonight until I read that part of the instructions
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Old 03-07-2017, 09:33 PM   #2
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An automatic transfer switch selects power from the generator or shore power automatically. Not all motor homes have transfer switches. If you plug your shore power plug into the generator outlet, you are the transfer switch.

If that's not the case, then follow your shore power cable into the mh. First stop will be the transfer switch.

As for the surge guard, two trains of thought. Most install prior to the transfer switch with the idea that most problems will come from shore power not your known quantity generator. Others feel that it's best to protect against both shore and generator. I use a Progressive Industries hard wired device that shuts down the incoming power it it senses high or low voltage, high or low frequency, or any mistake in the shore power wiring. It's saved me a few times from missing neutral, missing ground and low voltage.

Good luck,
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Old 03-07-2017, 09:40 PM   #3
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Quote:
Originally Posted by Dennis4809 View Post
An automatic transfer switch selects power from the generator or shore power automatically. Not all motor homes have transfer switches. If you plug your shore power plug into the generator outlet, you are the transfer switch.

If that's not the case, then follow your shore power cable into the mh. First stop will be the transfer switch.

Good luck,
Thanks for the quick response. I have my power cord running from the utility cabinet where the sewer connections are. On the other side by the door is 2 transformers. One makes a buzzing sound and the other one is plugged into an outlet in the same cabinet as my bee hive lol.
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Old 03-07-2017, 09:45 PM   #4
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If you mean that your shore power cable can be plugged into either a receptical at the campground OR into the receptical in the mh then you do not have an auto transfer switch.

Are you installing a hard wired surge guard or is it the portable plug in type?
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Old 03-07-2017, 09:48 PM   #5
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If you mean that your shore power cable can be plugged into either a receptical at the campground OR into the receptical in the mh then you do not have an auto transfer switch.
Actually the generator can be turned on in the coach. It's located right behind the engine on the drivers side.
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Old 03-07-2017, 09:55 PM   #6
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How about the shore power cable though. If it's pulled out of the coach laying on the ground, can you start the gen set and power up the coach?
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Old 03-07-2017, 09:58 PM   #7
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How about the shore power cable though. If it's pulled out of the coach laying on the ground, can you start the gen set and power up the coach?
Yes I can. What's crazy is I can run both air conditioners with the generator but on shore power only one. That's besides the topic lol.
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