The SurgeGuard defends against dangerous under- and over-voltage. This is a good thing: electrical fires caused by bad power in an RV are pretty scary. It also protects against a few other types of problems plaguing RV parks and campgrounds: miswired, missing grounds, reverse polarity on single-leg applications…

So this week, our SurgeGuard has steadfastly refused to switch power on when the pedestal voltage is over 129v on either leg. Overnight the voltage here reaches 133VAC. Legs are out of phase–and drifting! And the park hosts say, “yeah, we know–we just tell people not to use their SurgeGuards.”

Do you really now?

Couple things:

– ours is hard-wired, and
– no

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