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Installation is fairly straight-forward, and no wire are cut.
The "readers" are clamp-on ammeter devices that look like a tiny pair of hand-cuffs. You simply clamp the two of them around the two main power leads into the house.
To power the transmitter, you need to tie in three wires, (one red, one black, and one white) to live power. You do that by connecting the red and the black into two different breakers - one to each leg of the power, and then the white into the common, neutral buss.
A note on the instructions say not to put said red and black wires into the same breakers as anything else is on, unless your local electrical code specifically allows it, etc. - Since I already happened to have a spare two-circuit, 30 amp breaker kicking around anyways, I just added that, and put the wires there.
The system does allow for adding another power reader/transmitter so that if you have a wind or PV system, you can track that energy seperately.
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