Safer too. There could currently be junction boxes for the sockets on on one floor and the lights of the floor below running in the same void, so you've got 415V between them if you have some sort of accident while doing work on the building.
SteveW
Safer too. There could currently be junction boxes for the sockets on on one floor and the lights of the floor below running in the same void, so you've got 415V between them if you have some sort of accident while doing work on the building.
SteveW
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