--- "John T. Blair" <jblair1948@cox.net> wrote:
> 3. You need to know the cost of 1kw of electricity.
> Here in VA I pay
> 9 cents in the summer and 7 cents in the winter
> for 1kw.
In NJ it costs me about 15 cents year-around :-(
> But as someone else said, you get get a cheap clamp
> on Am meter for under
> $30. You take the current reading from the meter,
> multiply by 220V for
> the service to your house, then by the cost per KW
> hr and you know how
> much your house is costing you to run.
Actually, there is not really any place where a
clamp-on meter would fit around either of the two
phases. But I can just time how long it takes for the
disc in the meter to turn, and divide it into the
magic number (kH) on the face of the meter.
Doug
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