mcb

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  1. Marcus Vaughan

    Square D MCB to RCBO

    Hi All, I have just been to to view a job on my way home. The customer is asking for a new double socket immediately below the consumer unit (that's convenient!). It's an old Square D board without an RCD in sight. I guess it would be very easy to install an RCD socket outlet - spurring from...
  2. B

    MCB rating advice is appreciated.

    Just a quick question got a new boiler going in soon and noticed that the MCB that will be used for the dedicated feed ( on kitchen ring ATM ) is 16amp is this correct rated MCB? or does this need replacing with a 6amp MCB with a 3amp fuse at spurr? Cheers
  3. S

    Two 'Circuits' in one MCB

    Can't find the recent thread about this, but I've been looking at smoke detectors and got this from AICO under System Installation: "• The supply for the mains powered alarms shall be taken from an electrically protected, regularly used local lighting circuit at the nearest source except for...
  4. cliffed

    Led street lights tripping mcb

    Just had a quick look at a job,intermittent tripping of 10 amp mcb,retrofit led replacing discharge lighting,some time ago. There are 7 street lights,couldn’t real do too much investigation,rain stopped play. Did a IR test proved to be satisfactory,just wondering if any of you guys Had any...
  5. B

    RCBO Replacement under 18th Edition

    Hi, Complete laymen to the electrical world so need some advice. We had a complete rewire done in 2016 and as part of this we had an RCBO unit put in. Today we have had an issue where there has been a loose connection and the board needs replacing. This is being done under our house cover but...
  6. Deleted member 111795

    Electrician Jobs Electric shower trips after 5 minutes

    Hi I've seen a thread on here (which is what brought me to this forum) where someone had an issue much like my daughter has. The shower works fine for a few minutes, but if she's washing her hair and takes a little longer than usual, the shower trips the MCB. Is there an electrician on here...
  7. R

    What MCB fits in Lewden CU

    Hey guys, Just had this pop up on me tonight. I need to install an MCB into a lewden CU tomorrow morning and I don't have a local wholesalers that sells them. Does anyone know what MCB fits into this board please (other than lewden)
  8. P

    RCD Keeps tripping and not mcb and not on the same side as MCB

    Hello hoping someone can urgently help with an issue I am having. I am carrying out electrical works on a 2 bedroom flat that is being refurbished. All I have done is changed single sockets to double sockets. Taken away a socket that was spured off another socket. Moved some lights into the...
  9. M

    Using a MCB as a main switch

    My boss has just took over a new site and I went to look the layout. Some boards are damaged some cables need replacing and am sure some other stuff. The site has a old busbar with isolators feed various boards and of her isolators. It also has a board connected directly on to the busbar . The...
  10. S

    House alarm and doorbell from 6amp MCB?

    Hi Just preping to have a home alarm and doorbell transformer wired to my cu Both require a 6amp MCB, can I wire them both from the same MCB? If I keep them seperase I won't have any spare slots as I need to put in a 2 slot transformer I won't be doing the wiring, just need to get materials
  11. M

    New pendant light fittings with Led bulbs blowing MCB and RCD after 30 mins/hour

    Ok, so I have replaced the two ceiling roses in the lounge with two pendant light fittings with 4W Led Calex bulbs One fitting has two sets of twin and earth connected, the other has just one set of twin and earth (I assume this is a slave from the other fitting) I had the lights on for about...
    • Michael
    • Thread
    • after blowing bulbs fittings led led bulbs light light fittings mcb new pendant rcd
    • Replies: 3
    • Forum: Lighting Forum
  12. O

    Wylex MCB Type 2 60 amp

    Good evening people, Next question from a non-sparky. My electrician has asked me to get a 60 amp MCB for a board, he said I would find one on ebay as the board is a few years older. The other MCBs are Wylex Type 2. I can't find a 60 amp Type 2 but I have seen Type 1, can some one tell me what...
  13. M

    32A MCB feeding 1.5mm & 2.5mm T&E cables via 30A terminal block

    Quickie - Would you say this is ok? 32A MCB feeding 6mm T&E which is then connected to a 2.5mm T&E & 1.5mm T&E cable via a 30A terminal block in plastic terminal block housing buried in stud wall. The 2.5mm feeds a 3kW immersion heater with 13A SFU at the heater end. The 1.5mm feeds gas boiler...
  14. Zdb

    MCB, RCD & AFDD all in one

    These things are blooming huge! Oh and £170 :eek:

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