AMAZON.COM AC Plug In Voltmeter
It has a POT! And it's a DROK! DROK® Flat Plug AC 80-300V Voltage Panel Power Line Volt Test Monitor Gauge Meter AC 110V 220V Digital LCD Voltmeter for RV Boat Camper Household Factory ...
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I've had one for years too. I love it. Use it in the house too and also when on generator backup power to make sure both legs of the service are even.
Yes, a great night light.
Yes, a great night light.
