met

  1. S

    Missing Earthing?

    Please see attached photo of electricity authority incomer and consumer unit I cannot see an earth cable coming out of the electricity authority incomer cable, nor can I see a main earth terminal on or around consumer unit. Should I direct this to the electricity authority as I can't see an...
  2. eveares

    DB earth fed direct from HRC fused cutout or from external MET first?

    I have seen both configurations in pictures and videos as listed below, and can't find the section in my copy of BS7671 to say what is the correct or preferred method if there is one? All I can find is that the MET's (Does that also include the one inside DB's/CU's?) must be easily accessible...
  3. eveares

    16th Ed Theory: Supplementary Equipotential Bonding back to MET not allowed?

    Putting aside the fact that Supplementary Equipotential Bonding is often not needed these days in accordance with the 17th edition providing that all circuits in the bathroom are protected by a 30ma RCD, all incoming services are mains bonded back to the MET, and that all circuits meet the...
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