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how does this rcd work?
I understand the principle operation of an rcd, phase and neutral both
connected through the rcd and if one becomes unbalanced by a fault to earth the rcd trips BUT what about the rcd's I got from Screwfix.They are plug in types to replace re-wirable fuses on old ccu, only plug into phase conductor so how are they balanced with the neutral?I am studying my 236 part II at present so be as technical as you want. Mark |
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