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Old 07-10-2016, 08:21 PM   #1
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Low voltage

At the site today, the ems kept kicking out due to low voltage.

How often have you seen this?
Doubtful we will be back at this spot again, but curious if this is a common occurrence?

Time to add a Hughes to the basement?


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Old 07-11-2016, 05:45 AM   #2
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I've had my PI EMS for 3-4 yrs. and it's shut down power 2-3 times. Always due to low voltage. Once was for our entire stay at a local Provincial Park earlier this year. In hindsight, I probably should have spent a little extra and bought the Hughes Autoformer instead of the EMS.
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Old 07-11-2016, 06:14 AM   #3
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Once last year in Nashville Tennessee.
Hot, humid and a full park.
First time in 6 years .

I think this is more common on 30 amp campers?


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Old 07-11-2016, 06:38 AM   #4
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Had it happen 1X this year so far and it was hot and rainy. Shut down like 7X that day, came back up 3 min later. Guess it works as advertised
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Old 07-11-2016, 08:43 AM   #5
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Would you recommend initially getting a Hughes Autoformer to stop the problem before it starts?

Thanks!
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Old 07-11-2016, 09:04 AM   #6
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Quote:
Originally Posted by RV_Fan44 View Post
Would you recommend initially getting a Hughes Autoformer to stop the problem before it starts?



Thanks!

The only way to stop it, is either kick out half the campers or upgrade the CG electrical system.


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Old 07-11-2016, 09:26 AM   #7
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Quote:
Originally Posted by itat View Post
I've had my PI EMS for 3-4 yrs. and it's shut down power 2-3 times. Always due to low voltage. Once was for our entire stay at a local Provincial Park earlier this year. In hindsight, I probably should have spent a little extra and bought the Hughes Autoformer instead of the EMS.

An Autoformer does not take the place of PI EMS other than it does provide some surge protection. Even if the power condition light does not illuminate on the Autoformer, its not going to tell you why like the PI EMS will. And the Autoformer will do nothing for high voltage.

High voltage is just as common as low voltage in older campgrounds which were wired before most RV's had AC, Microwaves etc. Depending on how they are wired, and where your site is located on the circuit, someone pulling a load further down the circuit can cause a high voltage condition on your site even though your site was showing low voltage before they applied the load. Be especially on alert at places where 2 sites share a common pedestal.
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Old 07-11-2016, 10:56 AM   #8
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Battled this all week. We had 50 amp service. Power averaged about 108V the lowest was 98V. Pedestal was equipped with 50,30 and even 20 all had same voltages. I had to bypass EMS just to get some power. CG was not concerned in the least. They said no one else as ever made a complaint and my equipment might be faulty, of course I showed them the EMS and volt meter readings which were exactly the same. Then they preceded to tell me I was tampering the park equipment by testing their receptacles with my volt meter and could evict us. Prince Gallitzin State Park PA btw.
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Old 07-11-2016, 11:56 AM   #9
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Quote:
Originally Posted by uhduh camping View Post
Battled this all week. We had 50 amp service. Power averaged about 108V the lowest was 98V. Pedestal was equipped with 50,30 and even 20 all had same voltages. I had to bypass EMS just to get some power. CG was not concerned in the least. They said no one else as ever made a complaint and my equipment might be faulty, of course I showed them the EMS and volt meter readings which were exactly the same. Then they preceded to tell me I was tampering the park equipment by testing their receptacles with my volt meter and could evict us. Prince Gallitzin State Park PA btw.


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Old 07-11-2016, 11:57 AM   #10
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Quote:
Originally Posted by Mr Havercamp View Post
An Autoformer does not take the place of PI EMS other than it does provide some surge protection. Even if the power condition light does not illuminate on the Autoformer, its not going to tell you why like the PI EMS will. And the Autoformer will do nothing for high voltage.

High voltage is just as common as low voltage in older campgrounds which were wired before most RV's had AC, Microwaves etc. Depending on how they are wired, and where your site is located on the circuit, someone pulling a load further down the circuit can cause a high voltage condition on your site even though your site was showing low voltage before they applied the load. Be especially on alert at places where 2 sites share a common pedestal.
Thanks. Do you have both?

I've never seen the voltage be too high, just too low and a hot skin condition at another camper's site.
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