rcbos

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  1. Q

    Insulation resistance query old style hager rcbos

    When carrying out insulation resistance testing on old style rcbos (hager) I understand you are supposed to disconnect both line and neutral aswell as both the neutral and functional earth fly leads.....however does this in theory mean you need to disconnect the above for all rcbos at the same...
  2. N

    Type B rcbos and inrush current

    Does any one have a rough idea how many 24w led panel 600x600 could go on a 10 amp type b rcbo with out tripping or a 6 amp type B rcbo I found a long circuit that complies with zs when a direct measurement is taken at its furthest point , but on length alone im sure it does not comply by...
  3. dokkan1080

    Rcbos in commercial installations

    Just a quick question Do rcbos need to be used on lighting circuits in a commercial setting? Eg on a new build school/hospital/what ever Or on a new circuit install on a school/hospital/ what ever commercial building?
  4. F

    EICR Testing with 2 way Radios & RCBOs

    Currently doing testing on an old building, with concrete walls everywhere, circuit finder dosnt work. So using 2 way Radios, but they are opening the Protective RCBOs! Using Motorla, has anybody else had this issue? Does anybody know of a 2 way Radio that will not open the RCBO? Tia
  5. M

    UK Advice on testing RBOS in prison

    starting to test in a prison. does anyone know why the rcd trip test does not work when done directly on to the rcbos
  6. Lister1987

    Wanted Old/Used/Faulty BG RCBOs for wiring practice rig

    As title; am after old/used/naff BG RCBOs to throw one or two in my wiring rig and as they wont be used IRL I can't really justify the £10-20 price tag new ones attract so figured I'd be cheeky and ask. On a side note; do many sparks reuse old/removed kit if its still in workings order...
  7. Baddegg

    CED rcbos?

    Got a CED plastic board in a house, customer needs some new sockets so as it half empty thought I’d run a new radial from it.....only place I can an rcbo is Wales! Anyone know if any of the big wholesalers stocks em? Rang Edmundsons and the chap on the phone reckons he’s never heard of...
  8. Drackley

    RCBOs

    Hi all, Does anyone have any apps/conversion charts that are handy for swapping out circuit breakers to rcbos without relying on electrical stores to check conversions/fittings. Im quite fresh out my time so a lot of the common ones are not common to me as yet. The problem I am having is, I...
  9. Lucien Nunes

    Recommend me a small CU with DP MCBs / RCBOs

    I need to go shopping in the morning for a small metal CU, about 5 outgoing circuits, but they have to be fitted with DP OCPD including some C-type. One overall RCD is OK but if I can get suitable RCBOs that is a possible. It's so rare that I fit a small single-phase board, I've no idea which...
  10. A

    Questions about choosing RCBOs

    Hello, I have been reading the topics on this forum which have been very helpful. I am looking to change my consumer unit to a full RCBO unit - I am not going to fit it myself, I am just trying to gather knowledge as to what is available so that I am informed as to choice. I have gathered that...
  11. Mark42

    6kA (Not 10kA) RCBOs in commercial TP boards: Why not?

    I'm fitting two replacement sub-mains panels as part of a long-term upgrade from split-phase to three phase on a part-domestic part-commercial site (my own gaff). I'm using all RCBOs because I like them, but am less keen on the cost of the commercial variants ... Fellow spark says one MUST use...
  12. E

    Class A RCBOs - list of manufacturers

    I'd find a list of manufacturers who are currently producing single module class A RCBOs (and perhaps class A RCDs) quite useful. To my knowledge so far there are: Hager Doepke Schneider Does anyone know of any others?
  13. E

    Electrician Jobs Changing garage Mcbs for Rcbos

    My garage has a small consumer unit fitted with elcb and mcbs for the socket and lights. After cutting through a circular saw cable it did not take out the garage elcb but the elcb in the house consumer unit. If I get an electrician to changed the mcbs for Rcbos would this prevent the house elcb...
  14. T

    Board change (RCBOs) Lights trip sockets

    Evening all, I changed a board today in a ground floor flat. 3 circuits with separate RCBOs (Shower 40A, sockets 32A, and Lights 6A) Switching on any light switch causes the both RCBOs for the lights and sockets to trip. Insulation resistance results are in the 100s between conductors on...
  15. O

    CTI RCBOs ......................

    even before the 18th edition suggested we should fit the same manufacturers products, I have always been inclined to do it anyway ... So now I need to locate RCBOs to go in a fairly new CTI metal cu .. Anyone know who sells this kit? It looks almost identical to Lewdens, control gear Thanks
  16. S

    RCDs then RCBOs tripping.

    Wondering if anyone can shed any light on an electrical problem I am having. It started about 8 weeks ago with brief power interruptions causing some of my appliances & electronic devices to trip. This stopped but the 2 RCDs in my fusebox then started tripping simultaneously. I had an...
  17. W

    Rcbos and mcbs split load board

    hello just checking a mix of rcbos and Mcbs on the same neutral bar is this okay ?
  18. M

    3 rcbos tripping at different times

    My mates asked me to go and help find some faults at a house. Rcd tripping so he put 3 socket rings on 3 separate rcbos. Now he says they are all tripping at different times. . Says he's tested ir and it's about 6 meg on one ring. If they are separate why would they trip. . Good Ze in board ...
  19. A

    Converting split load CU to Main Switch (RCBOs)

    Hi folks, i have a 16 way British General CU which was configured as split load. I'm converting to all RCBOs which is fine apart from one small detail, i don't have a single neutral bar long enough. The earth bar is fine - plenty of ways for CPC doubled with RCBO functional earth. The neutral...
  20. Gavin John Hyde

    Functional earth fly leads and rcbos

    Whats peoples approach when dealing with the earth fly leads on RCBOs? Got a board to fit next week and the bits arrived today. So been busy getting rid of packaging and putting bits together ready and checking its all arrived. Hager say you can trim the fly lead and nuetrals down if needed as...

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