mcbs

  1. T

    doubling up on mcbs

    hi fellow sparks Ive been told whilst working for my present firm that we can double up on breakers if we are fitting a fused spur to the meters we have been installing,the meters only run 0.6 amps and we usally put them on a 3 amp fuse and on a 6amp mcb.since being told the regs are changing...
  2. T

    3Phase MCBS

    i now no the answer
    • titleist
    • Thread
    • 3phase aus electricians' talk mcbs
    • Replies: 4
    • Forum: Australia
  3. B

    zs readings for older types of mcbs etc

    http://esc.org.uk/forum/RCDversionFlowchart1.pdf
  4. J

    Mem 2000 mcbs

    Anyone know whereto get menses 2000 mcbs from.
  5. scotsparky

    Free MCBS

    I have a pile of Dorman smith C type MCbs 63A single pole i had to swap to Btype because of highZs valuse. all i need is some postage and address approx 35 pluse a couple of smaller ones. A 40 and 32 i think
  6. R

    Using MCBs instead of switch fuses on tail extensions????

    If you extend meter tails more than 3m you need a switch fuse, right? Would you be able to use, say, a 100A DP MCB in an enclosure instead? If not, why not? Ta.
  7. O

    Siingle phase MCBs for a three phase socket

    Can anyone find a problem in using single phase MCBs for a three phase socket. I would consider it bad practice and prefer a 3 phase MCB. Doing a PIR and cant find anything in the regs to fail it.
  8. N

    Newlec MCBs

    Can you fit any other MCBs to a Newlec board? Cheers. Nick
    • ngoodson1969
    • Thread
    • aus electricians' talk mcbs
    • Replies: 2
    • Forum: Australia
  9. J

    BBC's Fake Britain ~ Fake MCBs from Far East

    Interesting section on tonight's show regarding fake MCBs that seem to be creeping into the market. They compared a genuine one with a fake by showing you the insides, quite shocking really, especially when it blew up and burst into flame under their testing. They had some industry bloke who...
  10. sythai

    different make of MCBs..

    Went to have a provisional look at possible PIR on pub today..... what a mess !! One thing I did notice quite a bit of were in a couple of the CU's there were about 3 different makes of MCB. Is usually this acceptable...? Many Thanks, Sy
  11. tuckermot

    Ge mcbs volex mcbs wylex rcbo

    Hi all board is 7 years old with no rcd it has Ge breakers in and one breaker has been replaced with a volex mcb. Question is i have been told by my local wholesaler that a wylex rcbo will fit in in this board are they corect as i am doing aditions on the bathroom lighting and require...
    • tuckermot
    • Thread
    • aus electricians' talk lighting mcbs rcbo spare wholesaler wylex
    • Replies: 5
    • Forum: Australia
  12. M

    Max Zs For Starlock MCBs

    Hi all, can anyone help me out with the following please, I need the max Zs for Starlock MCBs as fitted to a Federal Electric Single Phase Consumer unit 40A ??? 30A ??? 5A ??? Thanks if you can help. :confused:
  13. C

    steeple mcbs

    does any know if any other mcbs are the same fitting as these, crabtree looks very similer , im after a 32a one,
  14. K

    Crabtree c50 mcbs

    HI all, i have a board full of crabtree 3871 c50 mcbs anyone know the ka rating for these please can find them at all on the breaker. cheers
  15. R

    Changing Re-Wireable fuses to MCBS

    Hello I'm in need of a little help. Someone has phoned me today because they are selling their house and something hs cropped up. Basically they have changed their Wylex Bs3036 fuses to Type B MCB's. Their solicitors are asking for a certificate for the work that has been done, and they...
    • roukel01
    • Thread
    • aus certificate change changed changing electricians' talk fuse fuses mcbs their
    • Replies: 19
    • Forum: Australia
  16. S

    Square D mcbs? QOE

    Hi guys anyone have any ideas where i can lay my hands on a square D QOE TP 16a mcb? Any help would be great as job should be going live monday!:eek:
  17. R

    C rated MCBs in domestic consumer unit

    The lights on the downstairs circuit in the house im renting wouldnt come on one night. I went to the cu to see if I had to reset a breaker but all circuits were operating. The circuit in question had in fact tripped but the lever on the breaker hadnt actually dropped. Figuring it was just a...
    • rogoill
    • Thread
    • aus consumer consumer unit domestic electricians' talk mcbs rated unit
    • Replies: 4
    • Forum: Domestic Electrician Forum
  18. Y

    Wiring of MCBs

    Hi All, Does it matter what side of the MCB you wire to for correct operation, when they are not mounted in a DB. Regards
    • yellowbruce
    • Thread
    • aus electricians' talk mcbs wiring
    • Replies: 4
    • Forum: Australia
  19. S

    Wylex BS3871 mcbs?

    Hi guys i have an installation with some old wylex bs3871 mcbs fitted on side of mcb is printed Breaking capacity M9,I take it that would mean 9k breaking at? And also as bs3871 maximum earth fault loop impedance reading are no longer in current regs would you use the bs60898 max readings? Or...
  20. B

    Contactors with MCBs?

    Hello All, I'm doing an installation in a nightclub soon, and am asking for your opinion on the best way to wire the following. The club has many lighting fixtures, each requiring a seperate supply from a 16A MCB. I am looking at about 30 circuits worth. However they would also like the...
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