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May 31, 2017 - 02:23 AM
According to the manufacturer, the Hughes volt meter uses about .1 of a watt. Less than a kilo watt hour per year. Less than $0.20 per year.
Electrical > Hughes Autoformer
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May 31, 2017 - 02:23 AM
View all Hughes Autoformer DVM1221 Digital AC Volt Meter Questions & Answers
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