I'm looking for a device that can be inserted between an electrical outlet and say a refrigerator to monitor the amount of voltage the fridge gets and sound an alarm if voltage drops below a certain point or ceases altogether. My wife says this exists but doesn't know the name of it
Submitted November 30, 2017 at 03:30AM by Soundtrackzz http://ift.tt/2Ao25ju electricians
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