Voltmeter on House Current

Harry Everhart · 2005-04-15T18:55:46+00:00

I recently bought this neat little meter that you plug into the wall. It tells you volts - amps - watts - cycles - and how much power and appliance uses. You plug it into the outlet - and then you plug an appliance into it. It tells how many amps and watts the appliance is using. The computer will even tell you how many KWH you used since the reset.I am amazed at how much the voltage fluctuates though - right now it is 119.5 volts. But I have seen id down to 112 volts.The meter is called the "Kill A Watt" P3. Model P4400. I got it for $9 from True Value.Harry

Apr 15, 2005 41 Replies

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Harry Everhart 21 years ago

Yes it is - three graphs - water - electric - gas.

There is a new Akagi that is 93% efficient.

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Stormin Mormon 21 years ago

Yes, you need a splitter.

If you want a splitter on the cheap, Harbor Freight has really cheap 12 inch long power extension cords with a triple outlet. Some very skilled surgery, and some electrical tape and you can isolate the black wire out of the cord. Plug cord into wall, item into cord, and clamp ammeter around black wire.

The power and neutral wires create opposing magnetic fields which cancell each other out.

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