- Thread starter L1Jay1
- Start date
I think the correct way is to fit a SPD after the suppliers switch and before the DB isolator, well that is the way all of them are fitted in France, an MCB is required according to the type of SPD, some have overload protection build in.
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Thread starter
L1Jay1
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- If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
- United Kingdom
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- Practising Electrician (Qualified - Domestic or Commercial etc)