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  1. M

    TN-S earthing & company fuse?

    Thanks for the reply and advise John, after 40yrs as a qualified industrial electrician mainly on machinery repairs/faultfinding I will admit to having had little to do with domestic installs for the last 30yrs and although I feel I should be able to do the CU work competently, your right I cant...
  2. M

    TN-S earthing & company fuse?

    I have to replace on old rewireable CU and update the earthing, but I am a bit worried about the main company earthing cable being too small and the fuseholder says 60Amp (house is 1960's) which doesnt look good against my new cu with its 100A main switch. Its a detached house and adding up the...
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