Earth bonding kitchen sink area never has been
required in the regs, although it is often done..
If the pipework is metalic, I bond the taps
together so there's no chance of any potential
difference between them (and to the sink if that's
also metalic). I also bond to the earth of local
If the pipework is plastic, it's now regarded as
safer not to bond taps/sinks.
Do you actually bond the taps, or just bond the pipe below the taps?
(assuming all pipework is copper)
Most taps are inaccessable although I have seen some taps with an earth tag.
PS My council (on their council house rewires) insist the kitchen x bonding
is made up of bonding hot and cold pipes under the sink plus metal sink if
applicable and to the main water stoptap if it is in the kitchen or to a
socket if the stoptap is located in another room.
Well, they're the customer, they can specify whatever they
want, particularly as it's your money they are spending. ;-)
As I said, I do the same in my house with copper pipes, but
current best advice is to not do so in the case of plastic
pipes (and that's the same in bathrooms too).
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