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  1. G

    Fuel pump after issues.

    Saab 93 aero, had fuel pump replaced and now I have no rear parking sensor, washer pump not working, wipers not returning to home position,side lights not working and one main beam not working. Thanks
  2. P

    Main switch SPD pen fault wiring

    Hi all, Customer is buying a Tesla ev and he was thinking of getting a Tesla charger but he said to give him 1 quote without a charger (him buying Tesla charger) and 1 quote with me supplying a charger… The Tesla charger hasn’t got pen fault detection and I’ll need to fit one. The existing CU...
  3. LmarshallSparks

    Main Bonding with a crimped lug fixing!

    Hey All, At college, I was taught that main bonding - such as bonding to a gas pipe - must be carried out using a continuous copper conductor running directly from the Main Earthing Terminal (MET) to the pipework, with no extensions or alterations permitted. If the bonding cable is damaged or...
  4. M

    specify an appropriate wiring system for the luminaires in the main workshop, giving three reasons for your choice. thanks

    specify an appropriate wiring system for the luminaires in the main workshop, giving three reasons for your choice. thanks
  5. input33

    Found one leg of ring main disconnected

    My friend was moving into a new (to him) house and wanted to change a cracked socket, so I went to show him how - straight swap - seems straightforward. I'll call this socket A. There are two sets of twin and earth in the back of the socket (as you'd expect), but one leg was wired into a chock...
  6. C

    Main armoured DNO cable in ceiling

    I’ve noticed my main incoming armoured DNO cable goes up the garage wall in some capping to the ceiling then runs under the ceiling and drops down to the meters. Is this ok as it’s armoured?
  7. S

    UK Is the main fuse head satisfactory protection for SWA supply cable?

    Commercial/Industrial installation. Summary of installation: Main feeder pillar contains TNCS incoming supply single phase 100A main fuse, 25mm DNO tails, meter, 100A double pole isolator switch, 25mm tails/16mm CPC to 63A rotary isolator, 10mm SWA cable 25m run to digital advertising panel...
  8. B

    TT system do I need to fit a main switch or time delayed RCD switch?

    Hi everyone I'm ready to do second fix on a rewire it's a tt system all my circuit will protected by individual rcbos Do I need main switch to be normal dp switch or time delay rcd please help.
    • baazab
    • Thread
    • delayed fit main main switch rcd switch system time time delay tt system
    • Replies: 7
    • Forum: UK Electrical Forum
  9. R

    UK Ring main or radial

    I am moving to a bungalow which I imagine will need a rewire. I've spoken to a local electrician and when I was asking if there would be a ring main for the kitchen and another for the two bedrooms and lounge he told me that ring mains are old hat saying that radial circuits are preferred. For...
  10. J

    Removal electric main supply to apply a waterproof membrane then reinstalled

    Does the electric main supply need to be completely taken off to apply a waterproof membrane or can this this be painted around and still maintain the integrity of the waterproofing?
    • josephine
    • Thread
    • apply electric main removal supply supply to waterproof
    • Replies: 6
    • Forum: UK Electrical Forum
  11. E

    Main Equipotential Bonding

    To settle an argument, can anybody advise when 10mm bonding became the norm...Thanks. in advance
  12. B

    Maximum demand exceeding main fuse.

    I've got a customer who currently has a 60A main fuse running in 10mm tails to a board with breakers 32/32/20/6/6A which, doing the diversity calc at biggest breaker + 40% of the rest comes in at 57.6A, just about OK. She wants a new 32A cooker circuit, so I said she should get the tails...
  13. D

    UK Swa as main earth ?!?

    So I have turned up on a job… someone previously has installed a 120mm 2 core swa from the meter to a barn building 160m away and them split off for the house and barn building in 25mm tails and have used the armour on the swa as the main earth. Both ends of the swa have been terminated badly...
  14. F

    TT System Existing is a multi9 13 way RCD main switch DB

    Hi Ive read a few discussions on the topic but what setup would you recommend for replacing a DB on a domestic TT system? I've moved house and need to get the meter changed ready for the car charger, I need to upgrade the severely dated DB at the same time. Existing is a multi9 13 way RCD...
    • fattony
    • Thread
    • existing main main switch rcd rcd main switch switch system tt system
    • Replies: 17
    • Forum: UK Electrical Forum
  15. Adam00

    grid tie solar to a consumer unit in a shed that is fed from the main consumer unit

    Could you connect grid tie solar to a consumer unit in a shed that is fed from the main consumer unit in the house or is this not allowed due to how it complicates safe isolation?
  16. J

    UK Main Earth and Gas Bond

    Folks need advice. House I am working on. TT earthing. The rod is closer to the gas pipe/meter box than the Consumer Unit. I wondered why I could find no bonding conductor in the CU. It appears someone took the Main Earth 16mm cable from the earth rod to the gas pipe and then onto the Consumer...
  17. C

    Emergency stop buttons on workshop ring main.

    Please forgive terminology. This is a DIY question. Domestic Workshop in new (new to us - small charity) premises that has its own RCD consumer unit with a ring main circuit and a lighting circuit. Has a few single-phase bench tools, saws, pillar drill etc. It's an odd one, it really is...
  18. Bluetit

    Extending sub main

    Hello, Planning some work for someone currently installing a new CU and a switch fuse in an extension, fed from a new DNO supply. Have turned up and had a look at it, mostly seems all okay other than the hockey stick being on the wrong side of the meter box. However, the 63A switch fuse is...
  19. P

    individual RCBOs or a main breaker RCBO? and what trip level 10mA or 30mA

    I have the feeling that I might have small currents running in the house. So first of all, I am considering to get a leakage clamp meter. But besides of this, I am also considering to replace the breakers with RCBO. But then the question, should I go for indivdual rcbo or just replace the main...
  20. B

    Installing an energy meter on a ring main

    Hi guys, I have a client who wants to install meters on every power circuit in order to monitor energy consumption etc. Just wondering if there is a specific method to wire up such a configuration on ring mains? As far as I can tell, I'd need to come out of the RCBO to the meter, and then have...
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