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Old 08-19-2015, 12:30 PM   #41
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Surge protector first at the shore power post, then autoformer inside / outside of the camper. Locating the autoformer in the camper insures against theft.
Roger
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Old 08-19-2015, 12:53 PM   #42
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Hi Everyone,
I just posted a thread on Autoformer 30 amp voltage regulator. So rather than repeat it, I'll just ask this. I have a 50 amp progressive w/just lights that I plug into the park post. I have also obtained (for free I might add) a Hughes 30 amp regulator. So which would you plug in first?
I think that it would depend on if your progressive is an EMS or just surge protector. The ems will shut down power if it reaches below 104 volts, so it would make sense to put the autoformer first. It could then boost the voltage before it reaches the ems and prevent it from shutting down. But, I am wondering why you have a 30 amp autoformer (other than you got it for free) Do you have 30 or 50 amp service to your rv?
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Old 08-19-2015, 12:54 PM   #43
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BTW, I agree with Roger. I located my autoformer in my power bay to prevent theft.

Rich
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Old 08-19-2015, 01:06 PM   #44
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Rich, Good morning. I suppose the situation you indicted would make sense. The autoformer would bring the power up to par, so that the ems will supply the coach. I think that the ems should be plugged in first and if the power was low, it could be switched. What do you think? I think bjlyons has a 5er and may need only 30 amps. Not sure though. I'm not familiar with that model.
Roger
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Old 08-19-2015, 01:19 PM   #45
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Hi Roger. I think that I still would locate the Hughes first. Let's just say that the voltage stayed at 105-107 volts. Still pretty low and your appliances are still dealing with that low voltage and you wouldn't realize it. With the hughes, that voltage would be boosted to around 115-117 and theoretically your appliances would last longer. Anyway, just my thoughts.

Rich
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Old 08-19-2015, 02:17 PM   #46
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Rich:
I think your right. I will plug the ems into the autoformer in the bay, that way it would be protected from theft as well. What do you think? I worry about setting that equipment outside. A person can't protect themselves enough these days. Times have sure changed since 30 years ago.
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Old 08-19-2015, 02:49 PM   #47
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Auto transformer first might not provide as good a protection for open gnds and neutral. Might want to check with Progressive for a reading.
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Old 08-19-2015, 02:52 PM   #48
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Auto transformer first might not provide as good a protection for open gnds and neutral. Might want to check with Progressive for a reading.
Good point, but would that harm the autoformer? Having the ems after the autoformer would still prevent power being allowed into the rv if those conditions were present.

Rich
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Old 08-19-2015, 02:55 PM   #49
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Rich:
I think your right. I will plug the ems into the autoformer in the bay, that way it would be protected from theft as well. What do you think? I worry about setting that equipment outside. A person can't protect themselves enough these days. Times have sure changed since 30 years ago.
Roger, either way that you decide to go, I agree that preventing temptation can also prevent theft. I would place them out of sight. Just make sure that you have some air circulation. These things can get hot.

Rich
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Old 08-20-2015, 12:14 PM   #50
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BTW, I agree with Roger. I located my autoformer in my power bay to prevent theft.

Rich

Did the same with my EMS; bought the model made specifically for permanent mounting. The ones that hand on the pole are "thief magnets".

Anything valuable left outside in a campsite should be chained down.

Boowho??
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