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Wiring and the Regulations BS 7671
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CT1 and CT2
lyledunn
over 4 years ago
Perhaps a rather rudimentary question but what is “full mode” protection? I assume that it is a combination of common and differential modes but it seems to me that it is generally common mode that is provided.
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Sparkingchip
over 4 years ago
And with the TT installation you don’t want a SPD that will fail leaving a connection between neutral and earth leaving it as TN-C-S.
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Sparkingchip
over 4 years ago
And with the TT installation you don’t want a SPD that will fail leaving a connection between neutral and earth leaving it as TN-C-S.
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