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1Sep/103

How do you self test your electric meter at your home?

I want to test my electric meter at my home. Is there a test kit I can buy at Home Depot, or some way I can make sure the meter is working correctly without involving my electric company?

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  1. Turn off the your main power switch in
    your switch box and see if the electric meter
    is still turning. It should not be turning since
    you have killed all power to your home.
    However, even with your power on and all
    appliances turned off, you will still be using
    power because most appliances are manufactured with “standby, quick start”
    power or mother board built in for convenience. So even if your stove, audio
    or video equipment are on a “off mode,”
    their is still power being drawn by those units
    because of the “built-in standby” electronics
    Also, you must understand that most gas/electric companies only acutally read your gas and electric meters every other
    month. So your usage on the month that a
    meter reader does not acutally physcially
    read your meter, your usage will be averaged out based on past usage information.

  2. Almost impossible for someone without the technical knowledge and metering tools necessary. There is no simple “kit”
    Your power company should respond to your concerns — and at no cost to you install a new “certified” calibrated meter.

  3. The electric meter measures kilowatt hours. Notice there is a black mark on the disk that is revolving. Call the electric utility and ask them how many watt hours, or fraction of a wat hour, are represented by a revolution. If you don’t want them to know who you are, don’t use their 800 number.

    Turn off all circuit breakers (or fuses) in the house (not the main) and observe that the disk is not rotating. Turn on one circuit and observe that the disk is not rotating. Now connect a known load, like a 100 watt lamp. Time a rotation of the disk. You can then calculate the watt hours being recorded.


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