One bad RV park pedestal can fry your air conditioner, microwave, and half your rig in seconds. I learned the hard way—until I found the Progressive Industries EMS-PT50X.
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What I Like
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Real Protection: It doesn’t just guard against surges — it checks for open grounds, reverse polarity, and low/high voltage.
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Easy to Use: Plug it into the pedestal, plug in your cord, and the digital display tells you exactly what’s going on.
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Built to Last: Heavy-duty casing, weather-resistant, and backed by a lifetime warranty.
Why It’s Essential
RV park power can be sketchy. I’ve personally seen low voltage dip into the danger zone on a hot Texas day when everyone’s A/Cs were running. The EMS cut power before my air conditioner fried itself.
The Verdict
If you own a travel trailer or fifth wheel, this is a non-negotiable piece of gear. Peace of mind is worth every penny.

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