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Domestic SPD installation with a TNC-S earthing system.

Sparkingchip
Can a SPD be installed in a domestic installation without an earth conductor connecting it to the MET, because it will discharge the surge from the live line conductor to the neutral conductor?


Andy Betteridge
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  • 0
    Particularly when the terminal is only a couple of inches from a earth bar.


    But that's not going to be less than a 300 mm live earth loop or is it?


    Andy Betteridge
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    Particularly when the terminal is only a couple of inches from a earth bar.


    But that's not going to be less than a 300 mm live earth loop or is it?


    Andy Betteridge
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