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  1. J

    LOST MAIN EARTH TO PROPERTY

    Have discovered whilst getting work done on Combi boiler that house has lost earth. Recently had replacement mains water and gas pipework in road outside house although pipework entering house is presumed to be original metal. Assuming these are bonded back to CU where they enter property, what...
  2. J

    ABNORMAL EARTH LOOP TEST AT BOILER

    Wires crossed indeed. Boiler located in cupboard space in bathroom. Can't answer your technical queries unfortunately. From memory earth continuity test was conducted at boiler between mains connection and earth terminal on Ignition PCB. Does that help? Has my sparks given me poor advice?
  3. J

    ABNORMAL EARTH LOOP TEST AT BOILER

    Looking for advice re failed earth test. Combi boiler goes dead. Gas engineer advises earth loop test failure with reading greater than 200ohms. Advises Electrical inspection. Electrical engineer reconnects earth clamp at gas meter that was disconnected and fixes supplementary bonding to pipes...
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