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  1. M

    High(ish Zs and extending ring final question.

    With the earth loop reading, this would be fine with an RCD fitted, take a LN loop test to see if it meets short circuit protection for the device being used, if not just down rate the protection device to suit.
  2. M

    2.5 spured of a cooker supply

    Sorry the Zn neutral loop impedance as to ensure the cable can withstand a short circuit fault as being supplied with a 6mm could have quite a low impedance resulting in a higher fault level.
  3. M

    2.5 spured of a cooker supply

    It may depend on the Zs at the socket do you know the reading
  4. M

    Liquid plastic (interested that's all)

    Sorry maplin
  5. M

    Liquid plastic (interested that's all)

    Marlin do polymer balls that can be melted and then shaped for small plastic hobby type of things
  6. M

    Bonding Advice Needed

    The position of the main protective bonding conductor to the services where they are considered an extraneous conductive part should be in accordance with BS7671 regulation 544.1.2. The size of the main protective bonding conductor should be in accordance with BS7671 regulation 544.1.1 and where...
  7. M

    Bonding Advice Needed

    if the main bond is in place though outside, and the submain carried its own earth connected to the main terminal this would also common up all of the bonding, nowadays assuming plastic incomers it would only be supplementary bonding and may not even be extraneous, the electrician on site would...
  8. M

    Bonding Advice Needed

    Yes you are right, this is all we have to go on in the post. If the distribution circuit is from a pme source and the cabling is not buried within a wall less than 50mm then an rcd would not Ben required or am I missing something
  9. M

    Bonding Advice Needed

    Assuming pme of course
  10. M

    Bonding Advice Needed

  11. M

    Bonding Advice Needed

    The main bonding would only need to installed within the gas floor boxes outside on the consumer side of the stop cock. The main water assuming this would be in the riser position would require a main bond only in the incomer position both sized in accordance to the main neutral. They won't...

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