Evening all

Is anyone fitting surge as standard in domestic property’s?

We are based down in Dorset which has 3 different flash density’s!!

So I always base is on worse case with most of our stuff being in urban areas and always unable to confirm length of supply cable! My calc is usually;

Urban 850/(1x0.50) = 1700 No SPD
Rural 85/(1X0.50) = 170 SPD

Thoughts?
 
Hi - I don’t do that many domestic boards but I’ve been pricing SPD in now. I have recently fitted 3 Wylex flex S boards (NM1206FLEXS with 12 ways left after iso and SPD). These come prefitted with SPD and cabling and are nice :) .
 
Hi - I don’t do that many domestic boards but I’ve been pricing SPD in now. I have recently fitted 3 Wylex flex S boards (NM1206FLEXS with 12 ways left after iso and SPD). These come prefitted with SPD and cabling and are nice :) .
What's the difference in cost to a non factory fitted spd unit.
 
I've been fitting the Hager version with pre-wired SPD, good quality unit once you tidy up the wiring to the SPD and neutral bars! Customer requested dual RCD as it was the cheaper option but usually I would try and go for full rcbo.
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Fitting SPD as standard
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UK Electrical Forum
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TJC1,
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Wilko,
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