SPD's Why Are Some 1 Way & some 2 Way?
- Thread starter thomp1983
- Start date
- Joined
- 27 Jan 2008
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- 29,557
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- Location
- Llanfair Caereinion, Nr Welshpool
- Country
I have two modules, one line to earth the other neutral to earth, but not sure how they help so not sure if there is really any difference, I was convinced there were the reason my LED bulbs lasted longer than my sons, then when I came to do some work, found wire disconnected so not doing a thing.
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