i have replaced my worktops and inserted a kitchen sink. when i came to do the plumbing for the sink there was earth wire around the pipes. these didn't seem to be connected to any earth, are these wires obsolete.
New regulations say that supplementary "cross" bonding is only required within bathroom areas (ie, between all metal work, bath, radiators, sink and now including circuits, shaver point, shower unit, light etc).....but as breezer said....if its there...put it back on...
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