TT/ TN-C-S and BS7671:2008

securespark · 24 Jul 2008

Now the same standard split board can be used on all supply types, is there any point recommending to clients the benefits of TT -> PME conversion??

Did just that today, then thought hang on, what difference does it make?

(To quote Morrissey...)

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TT/ TN-C-S and BS7671:2008

securespark

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