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  1. Z

    UK Fill the gap with what ?

    Came across a white backbox with plastic clipped out to let the 2.5 twin and earth enter from above. The small gap was not filled ( I usually fill it with silicone) . Dawned on me that I’ve never seen A recommendation on what silicone type to use or is there a better way?
  2. Z

    Installing vehicle charger

    If you can install in a detached garage, then you can use the house earthing system (PME). Wishful thinking ! Can you install it inside the garage and run charging cable through the wall or can you install it on the outside wall of the garage?
  3. Z

    UK Can you use expanding foam or silicone sealant in meter box ?

    Holes in meter box near cables. Can you seal them using expanding foam or silicone sealant? Do they damage cables?
  4. Z

    UK Installing earth rods should be totally buried

    I read a couple of references to ground rods and both stated that they must be buried in the ground but one said 3 inches visible and the other said less than 12 inches visible. I thought they had to be fully buried and even covered . Please confirm I’m correct z(for once!)
  5. Z

    UK Rcd tripping cause?

    Daughter’s new house. Garage has very old wylex distribution box connected to a double socket and a lighting circuit with one neon. put an RCD’ed extension cord in socket and the RCD trips instantly. Measured leak current at main fuse area. The neon light was switched off. Leakages house as is...
  6. Z

    Security system question

    I have a four camera wired system. I fancy adding a 5th camera. I have an idea that someone may have invented a splitter box that could rotate from one camera to another say every 30 seconds - so that you can cover 2 areas for the price of one channel on the recorder. any other ideas would be...
  7. Z

    Proving units maximum voltage

    I decided,having lived with using a live circuit, to buy a proving unit. I opted for a Kewtech Prove 4 which covers 5 voltages between 690volts and 50 volts. The device starts at 690 volts which is ok for my Megger 2 pole tester. My fluke clamp meter has a limit of 600 volts. The second problem...
  8. Z

    Why cover earth wire?

    for T@E cable, we cover the bare earth wire with a sleeve of green / yellow. Why? The basic idea is that if there is a fault then the live wire meets with the earth and covering the wire with insulation potentially stops this action in some cases. Is it not better to have the bare wire to...
  9. Z

    Quality lighting

    It’s lockdown and the boss decided to decorate the kitchen. We took down a 5 lamp central light fitting while painting the ceiling. silly me I decided to check the earth from the connection to the metal bulb holders. four out of five isn’t bad? photos attached circuit incoming earth to choc...
  10. Z

    Sign off other people's work

    An electrician has stated that he will not sign off work done by someone else he stated "all or nothing". Just want to check how many electricians on this site would sign off electrical work done by other people. Yes I would sign off other people's work No, I would not sign off other people's work
  11. Z

    R2 lead replacement?

    I know it might be a silly question - but I see they sell 50 meter R2 leads for £50-£90 . what is the disadvantage of using an extension lead by putting in a plug with only the earth wire connected and use the earth terminal on the cable plug as the other end. I realise that you would need to...
  12. Z

    Selv circuit - short circuit - bulbs blown

    Garden lighting 12V AC from transformer wired with 2 wire and extension cables ran 2 LED lights in parallel. Unfortunately water and mud managed to cause a short circuit. The two lamp bulbs blown were further away from the transformer than the fault. Q1. Is this expected? Q2. Is there an easy...
  13. Z

    UK Equipment excluded for insulation test

    I don’t think there is a comprehensive list of equipment that should be considered to be “neutralised” before doing insulation testing. as a small starter: dimmer switches Pilot lights Equipment with capacitor RCD USB sockets Light bulbs Sensitive equipment ? really appreciate if the list...
  14. Z

    Fire alarms building regs Scotland England

    Scotland gov rules are that alarms can be 10 year sealed battery powered or mains powered while building regs seem to insist on mains powered. Are the regs changing to allow 10 year sealed battery powered alarms to be acceptable in England?
  15. Z

    Physical Orientation of RCD Spur box

    Is it OK to put an RCD on its side / upside down physically provided it is wired properly? I've never seen one that was not upright.
  16. Z

    UK Problem responding to replies

    Can't respond to anyone as system stops me!
  17. Z

    UK Cable routing central heating wiring centre

    Spaghetti wiring using lots of terminal blocks. Wish to move to Wago mbox. Cable entries too small for cables so need to wire into back of box. All cables are either surface mounted or free running across cupboard. Need to raise Wago away from wall as I don’t really want to bury cables in the...
    • Ziggie
    • Thread
    • cable central central heating centre heating routing wiring
    • Replies: 14
    • Forum: UK Electrical Forum
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