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Old 02-06-2014, 05:10 AM   #1
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Join Date: May 2012
Posts: 163
Question for you electrical wizards. Surge guard?

On a newer SMB do we need to be concerned about plugging into a "bad" electrical supply?

I can check to make sure the wiring is correct with a little tester like one of these

But what about voltage drops or increases? Would a surge guard be a wise choice?

Camping World has a sale right now on an internally wired one. (wouldn't use an external one, it would grow legs).

Steven McKenzie
Madison, WI
2013 E350 EB-44, V10 6.8ltr
Toyo LT285/70 R17
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Old 02-06-2014, 10:18 AM   #2
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Join Date: May 2007
Location: Turlock Ca
Posts: 9,871
Re: Question for you electrical wizards. Surge guard?

Nothing is 100%. Low line voltage is more common but high voltage spikes and open neutrals happen from time to time. They make better than average protection like these but you'll pay for it:

Surge/over-under and open neutral protection

I don't have a clue how well they work. Units we use at work are huge and cost thousands of dollars and even those can be destroyed by primary voltages and lightning.
2006 Ford 6.0PSD EB-50/E-PH SMB 4X4 Rock Crawler Trailer

Sportsmobile 4X4 Adventures..........On and off road adventures
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