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Old 08-10-2017, 10:27 AM   #1
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Using 50 Amp Surge with 30 Amp Post

So, I finally got around to getting a 50 Amp surge protector and started wondering about hooking up when there is only 30 Amp service. I tried a quick search on here but didn't find anything. Is there a problem using it on a 30 to 50 Amp dogbone or does it have issues with this setup? thanks for any help.
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Old 08-10-2017, 11:06 AM   #2
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There's no problem .
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Old 08-10-2017, 06:17 PM   #3
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When we are home my 50 amp coach is connected to a 30 amp post. We got back from a trip and when I plugged it in I had a open neutral fault on the surge protector and it would not pass power to the coach. Turned out I had a loose neutral in a junction box. System works fine on a 30 amp post.
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Old 08-11-2017, 05:42 AM   #4
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Quote:
Originally Posted by floridaflash View Post
So, I finally got around to getting a 50 Amp surge protector and started wondering about hooking up when there is only 30 Amp service. I tried a quick search on here but didn't find anything. Is there a problem using it on a 30 to 50 Amp dogbone or does it have issues with this setup? thanks for any help.
David
I use my progressive industries 50 amp surge protector on 50, 30, and 20 amp post hookups using appropriate adapters. This has always worked well for me if the post had no problems such as an open neutral.
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Old 08-11-2017, 08:33 PM   #5
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I hardwired my surge protector in front of the transfer switch. It checks the quality of whatever power supply I am plugged into.

We were visiting friends and plugged into a 15 am circuit at their garage. Very low voltage and the surge protector would not let the power pass. Plugged into another outlet but told my friend something was wrong with the first circuit and he needed to have it checked.

Currently plugged into a temporary service where I am building a house. Surprised with the voltage swings. +122 to 118 depending on time of day. Know that it is linked to total demand of system but never knew it swung that much.
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