tn-cs

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  1. OnlQQker

    TN-CS Combined With TT Question

    So I've just watched this and the chap explains all the different Earth arrangements used in the UK. He mentions about how in a TN-CS earth system if the neutral was broken just before it came into your house then this would be very dangerous. So I was just wondering if a TT system combined...
  2. w0z

    TN-CS main bonding cable typical leakage current question.

    OK I'm prepared for the usual onslaught so here goes... I recently bought a clamp meter Uni-T UT210E. The first thing I did was check it out against my trusted AVOs and also a couple of other cheapo DMM's, (measure current through wire through probes and compare to clamp reading). The clamp is...
    • w0z
    • Thread
    • bonding cable current leakage main question tn-cs
    • Replies: 8
    • Forum: UK Electrical Forum
  3. dlt27

    Tn-cs or not

    Hi all. I have come to a house today where one Earthing conductor is connected straight into the neutral Henley block and also another Earthing conductor is connected to a rod outside. There is no pme sticker and also I have been outside and can't see a neutral tapped down to earth at any of the...
  4. R

    Which earthing system is this, TN-S or TN-CS?

    Came across this today. Initially thought it was TN-S then spotted the PME sticker and notice. If the green/yellow earthing conductor coming from the supply head to the MET is joined to the neutral inside the head, why have they left the original braid from the incoming sheath still attached to...
  5. W

    TN-CS or TNS?

    Hi all. Can someone tell me what kind of E system this is? I think its TNCS but the 6mm to E Sleeve is confusing me. I think the MET is connected to the N - hence TNCS. Should I upgrade 6mm E. Thanks for your replies.
  6. M

    Earth Rod on TN-CS

    Hi ive been working at a place where a guy has been out to test the installation and found some problems i was sent to rectfy these. On one part fo the installation, he mentioned that the main earth was a TN-CS system but didnt comply because there was an earth rod also installed. Whats...

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