micc

micc

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  1. J

    Uh oh...shorted MICC. How scr*wed am I?

    I've just been fettling some 50 year old 2L2.5 pyro (MICC) to relocate a plug socket. I probably bent the cable a little more than I should have (although I didn't feel it was particularly tight when I did it) when I was doing the fettling, but now I've pulled the cable straightish again, I seem...
  2. D

    Anyone can fix an MICC cable leading to a light switch in my house (London, N6)?

    Hello, I am looking for an electrician who has an expertise in dealing with MICC (mineral-insulated copper-clad) cables. It is a domestic job in my house (I live in Highgate, London; postcode is N6). When I was replacing a light switch in my living room, 2 out of 6 wires coming out of 2 MICC...
  3. M

    determine the age of existing rising main to flats

    Hi all, I am a leaseholder in a flat. The managing agent want to replace the electric rising main as they say it is over 50 years old (but I have been told elsewhere it is probably only 20 years old). They are going to charge me £thousands for changing it. They do not have any evidence of...
  4. C

    Old MICC cable underground to garage, extraneous conductive parts

    Ok so the scenario is there is an old MICC or pyro 1.5mm 2 core cable supplying the garage run underground on a 16A circuit breaker that is RCD protected. In the garage there is a water pipe fed from the house, at the house it is bonded using 10mm, at the garage bonded with 6mm. I think the...
  5. KennyKen

    MICC

    So been on an Electrical FB page, generally milling around. It’s an Australian page. A thread come up about a guy installing single core MICC for mains and he was unsure how to do it, or lacked knowledge on stripping, potting and sealing. Fair enough. It’s a dying art. Although I couldn’t help...
  6. W

    MICC CPC

    I was looking at a job all wired in pyro. The pryo goes into the metal backbox with no flying lead, no problem can sort that out. However on the downstairs socket it looks like there has been some modifications ar some point. Instead of the MICC being glanded its just taken into the back box...
  7. timhoward

    MICC cable and sockets

    Bit of advice please. Not too used to this stuff. In large old building, a couple of MICC radial circuits feeding a few sockets each. All tests pass, all RCD protected, very good Zs etc. Questions: chassis of metal consumer unit being used for CPC, no banjos/fly leads etc. It clearly works...
  8. T

    Micc tails from meter cupboard

    Hi all,been to look at flat today and it requires a new Consumer unit. Its an old porcelain type of fuse holder and shield and some of them are damaged. The flat is in one of these 60's built blocks with a meter cupboard on each floor. In the meter cupboard is the service head, meter and an...
  9. Lister1987

    MICC - identification based on colour

    Just doing a mock exam i've got from college and one of the questions is regarding the colour sheathing on MICC cables; I know that red is ubiquitious with fire alarm systems but don't know about the other colours, as luck would have it GSH has done a few videos recently on MICC and mentions...
  10. happysteve

    Imperial gland - thread size?

    I need to replace this mess with a switch fuse (not the socket, obvs). The pyro is imperial; IR is low(ish) but above the minimum. Estimated age is about 60 years. The only things I'm missing are a banjo and a locking nut. I'm pretty sure I can get a 25mm banjo on to fit, but what thread were...
  11. Pete999

    MICC Terminating

    Firstly it's been a while since I learnt all my MICC Terminating skills, and whilst loads of training establishments show trainees how to terminate MICC in a sterile location, i,e, at a vice on a work bench. I was taught how to measure when and how to fit the gland and pot assembly by a very...
  12. Stevie g

    When does micc short or go bang

    Micc readings on a 4 core 10 mm are 4 cores to earth 1.09 ohms and between cores 1.70 ohms tested at 500volts cable supplies main DB and off peak DB both backed up by 60 A bs88 fuse, what's the resistance reading likely to be before it goes bang?
  13. T

    How would you do earth continuity on ring circuit in two core MICC cable?

    How would you do earth continuity on ring circuit in two core MICC cable?
  14. cliffed

    Micc terminating

    Just done several micc terminations,adding power to existing install. Everything was going really well,did all the necessary tests,luckily for me,just a couple left to do,for some reason,did not test between conductors,on testing for Live,I again tested & found dead short between...
  15. K

    MICC cable gland installation London NW3

    I'm looking for someone who is able to install new gland on MICC cable, with have to cuted for new fuse box , I'm in London NW3
  16. Stevie g

    4c10 micc feeding off peak and domestic DBs

    Hi all Got 4c10mm micc supplies to off peak DB and domestic DB Backed up by individual 80A Kmf s, what are your thoughts on two feeds in same micc. Put appropriate warning labels on both ends Down rated fuses to 63A
  17. Pete999

    Pete's Videos Terminating MICC

    Like to him try this method up a pair of steps, in a real life situation.
  18. rolyberkin

    Micc stripping/potting tools wanted

    Does anyone have a set of micc tools they no longer require (or want to use) they would like to sell. Been years since I did any micc and have a job coming up with a load of micc installed!?
  19. J

    Code 3 for usign Sheath of MICC as CPC

    This has probably come up before but I cant seem to find it. I have been presented with an EICR produced by another company where they have put a code 3 down for using the sheath of mineral insulated cables as the CPC. No further explanation on the observations and recomendations sheet. No...
  20. K

    MICC question for assignment

    Hello all, Im doing a college assignment and Im being asked to give advantages and disadvantages of MICC with and WITHOUT Pvc sheathing.. Im not used to the cable at all if im honest so ive done some research but can find very little on non pvc insulated pyro. Can anyone point me in the...

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