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  1. Robo
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    Robo Guest

    I went to do a EICR yesterday. The guy had his friend re wire it but it wasn't tested or certified.jokers. Any ways. The water and gas were connected directly to the TNS supply cable. I don't see this is a major problem or would you say I should advice to connect into db.?thanks
     
  2. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    a bit more detail would help. why has his friend not fitted a MET?
     
  3. malcolmsanford
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    malcolmsanford Trusted Advisor

    Main Protective Bonding Conductors should be connected to the MET as regulation per regulation 411.3.1.2 and so connecting to the TN-S sheath direct is not advised.

    Personally on a EICR I would code this perhaps 2/3 and recommending fitting a small earth block to address the situation
     
  4. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    and don't forget to bond all the kitchen tables.
     
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  5. jase
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    jase Electrician's Arms

    were there 2 cables? one for each? how were they connected? via EC16 earth clamps? if it is TNS then where does then main earth go? most of the TNS i see have an MET
     
  6. supasparxs
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    supasparxs Electrician's Arms

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    Leigh, Lancashire
    And it don't matter if the table is Oak or Pine, bond it anyway.....
     
  7. Robo
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    Robo Guest

    There is the main earth connection inside the cutout where the 16mm earth goes to the board. The cable for each of the gas and the water are connected using an earth clamp to the outer earthed sheath of the cable.

    I think I will code 2 this as malcomesford suggested and fit a small eart block in line and connect the two to that and then to db. Or directly to db if they will reach.

    Thanks for the help
     
  8. Geordie Spark
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    Geordie Spark Trusted Advisor

    ............ but not if it's plastic.
     
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  9. Guest123
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    Guest123 Guest

    BS 951 clamps on a lead sheathed supply cable is a definite no no. A code 2 for sure, recommend the installation of an earthing terminal or re-routing to the DB.
     
  10. jase
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    jase Electrician's Arms

    if the 16mm to the board is comming of the cutout that sounds like tnc-s not tns, and that makes me wonder why the earth bonds are clamped to the sheath ????
    deffo fit an MET
     
  11. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    thinking that myself. first thing to do is determine whether it's TN-S or TNC-S, or even a DIY attempt at PME.
     
  12. stonejenson
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    stonejenson EF Member

    Hi there - just an additional query of my own... I live in an old place and want to upgrade my DBs, so am in process of sorting out stuff, like taking sockets I discovered connected to lighting circuits off and re-wiring to a proper ring etc. Main services earth connection.. did the gas yesterday, now trying to figure out how/where to get to my water main, and only routes I can do will take my 10mm earth cable outside. Now if it was a live cable, I would do it in conduit/trunking without doubt, but would it stand up to the elements without protection? It will be out of harms way, but can I just clip it? Will it deteriorate? Having trouble getting a precise answer on this.
     
  13. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    have seen it just clipped, but would be better run in 20mm pvc conduit.
     
  14. Engineer54
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    Engineer54 Guest

    Or even neater 16mm PVC conduit!! lol!!
     
  15. SPARTYKUS
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    SPARTYKUS Trusted Advisor

    Location:
    Shropshire
    Very good, future proof it.


    It might get refitted as a pewter table in the next few uears.


    Very good. I expect this to be in the 18th.
     
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