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Replacing kitchen tap, what to do with existing earth bonding wires?!

Discussion in 'Electrics UK' started by champy, 4 Oct 2021.

  1. champy

    champy

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    Hey guys, I'm replacing kitchen tap and the earth bonding wires are connected to the tap tails which will be replaced with the flexi hose of the new tap, so what should I now connect the bonding wires to as all the remaining pipes are plastic?

    I've attached a pic of what im talking about.

    From what I can gather, there are 2 earths coming from the CU and going in the kitchen. Wires disappear behind the wall and then there are 2 earths coming from the wall connected to the cold water tail, cold is then connected to the hot, and the hot is also connected to the metal sink itself.

    There is also another earth going from the kitchen to the gas meter, can't tell if this is connected to the tap tails or direct to the CU.

    Mains supply is all plastic in another room and not bonded.
     

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    Last edited: 4 Oct 2021
  2. winston1

    winston1

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    As it is fed by plastic those bonding wires should never have been fitted in the first place. Plastic does not conduct electricity.

    However as they are possibly looped elsewhere the best you can do is join all the wires together somehow. Perhaps some form of metal terminal block.
     
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  4. champy

    champy

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    Thanks for your reply man! Do you think I could attach everything to the underside of the metal sink as there is already an earth attach to that?
     
  5. winston1

    winston1

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    No. The sink does not need bonding and should not be. Plastic pipes do not conduct electricity. As I said you need some form of terminal block.
     
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  7. champy

    champy

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    Great thanks man for all your help!
     
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