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SPD arrangement

lyledunn
24e119d041831991ba57ac52261a5c57-huge-e2f7a6a0-5147-4eb4-b505-80e94f626124.jpg
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    If there's an overvoltage between a L and N, then the effective total cable length is the brown from DB to SPD, plus the E all the way from the SPD back to the N/E bond point - which is likely to be a lot more than 0.5m. So it will be very poor at surpressing such transients as far as I can see.
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    If there's an overvoltage between a L and N, then the effective total cable length is the brown from DB to SPD, plus the E all the way from the SPD back to the N/E bond point - which is likely to be a lot more than 0.5m. So it will be very poor at surpressing such transients as far as I can see.
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