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Clip it round either of the two grey wires... the one with brown tape is Live to the consumer unit the one with blue, Neutral. I'd pick live, but it really does not matter which one.
You currently have it on the Earth cable which should never carry any current under normal conditions.
The thick black is the incoming supply and has both live and neutral in it so balances out the current being measured by the transformer in the clip... they split just under the electricity board's fuse and neutral block... but fit it on YOUR side of the meter as I've suggested above. |
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