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Old 06-23-2015, 02:15 PM   #1
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Slightly hi volts at power post

We took our new rig camping last week.
We visited Audubon state park in NW Kentucky as our first stop.
When we arrived I did the mandatory wasp nest check in the power post.
Yep there was a small nest! Sprayed same....
Plugged in and moved on to jacks and water etc....
Wife yells later there's no power to microwave nor AC.

I go to post and the LED on my power wire is on.
I go inside and the progressive surge protector is giving hi voltage fault.
It was reading 133 volts.
That's all. Polarity good, ground good etc just over voltage.
I looked at the cheat sheet and it says it allows 132 volts max.

I was 1 volt over! I thought about it a minute and then flipped the bypass
switch. Outside temp was 90 and muggy and going up from there.
No way we were gonna go 3 days without the AC running.

What would you have done?? There was nothing the camp ground could
do but complain to the power company. The PC might come out and switch
them to a lower tap but I bet not. I figured the PC was running hi in order
to pump a few more KW out to the grid which was humming due to the heat.

The down side was I did not have surge protection and of course we had
a thunder storm the 2nd night!!
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Old 06-23-2015, 06:15 PM   #2
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At 133 I would have unplugged my Progressive unit. As soon as you fired up the AC the voltage would have dropped below 130 anyways.


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Old 06-23-2015, 06:27 PM   #3
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Most likely they had an issue of low power due to many users and they moved the tap UP one. Less campers, high voltage.

I would have complained. While continuous high(er) power (125-135) is not as deadly to your inductive loads, your electronics are not so forgiving.

There is a reason your Progressive squawked...
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Old 06-23-2015, 07:14 PM   #4
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I hear you but I was ONE volt above the progressive hi limit.
IF it had been more I would have had to make a hard decision.
We couldn't have stayed without power in the heat wave we were having.

Ibrjet- my progressive is hard wired with the remote display.
There is a switch on the display that I moved and it turned on the relay
regardless of any error. IE you aren't locked out by the progressive just
warned and allowed to override if you choose.
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2004 5.3L Silverado 1500 ext. cab 2WD
1999 Suzuki Intruder Motorcycle
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Camping days 2010-53, 2011-47, 2012-41,
2013-41, 2014-31, 2015-40, 2016-44, 2017-63
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Old 06-23-2015, 07:59 PM   #5
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That's a nice feature. Can't do that with my external unit. It's all or nothing.


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Old 06-23-2015, 11:11 PM   #6
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Don't think of it as only one volt, but rather the voltage was 11% higher than normal (120 vac).. Progressive's cut out is 10% high, which is a fair amount in the electrical world... I'd complain...
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Old 06-24-2015, 06:50 AM   #7
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Quote:
Originally Posted by glen1971 View Post
Don't think of it as only one volt, but rather the voltage was 11% higher than normal (120 vac).. Progressive's cut out is 10% high, which is a fair amount in the electrical world... I'd complain...
Exactly. While you most likely did not hurt anything, it could have reduced the useful life of your equipment. Like overloading a truck, the damage is cumulative and will most likely present itself down the road one day at perhaps an even more inconvenient time and place.

The point is, you got away with it once and you might do it again under similar circumstances; what if it was 2 volts higher next time? or 3?

This is just an opinion of course. Your mileage may differ.
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