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rcbo

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  1. S

    Oven fault tripping rcbo

    Hi All, Seeking some thoughts on my own Omega free standing 900mm oven. Over the past year the oven has been tripping the supplying RCBO unit. I have replaces the rear fan forced element and thermostat but the unit continues to trip rcbo. Does anyone have any other ideas on shot might cause the...
  2. sythai

    What torque bit.... Contactum rcbo

    Hi Chaps I've got a Wiha torque driver but only came with couple of bits (below)... none of which fit 'outgoing side' of Contactum RCBO's. Anyone know what size I'd need please ? So can order up Tried their technical but no one there until next week 🙈 Cheers Sy
  3. Antares

    Testing RCBO x5 times

    Hello everyone, Is it necessary to test RCBO x5? Some say that you can’t even test at x5 times because it can damage RCBO. Others that you can, but we don’t put the result in testing sheets. I found a recommendation that it is advisable to test x5. Cheers
  4. N

    Selectivity RCBO Board

    Hi All I'm new here. I have just finished my NVQ and waiting to do my AM2. I have a question on selectivity as it has always slightly confused me, as I've never seen it practically since I started. My question is will selectivity be achieved if all boards were RCBO's and not RCD's as If there...
  5. Tontoe

    Niglon RCBO stuck in MK LN board

    I had a call to a new customer who was experiencing what sounded like nuisance tripping on a kitchen ring. Some background first. It's an MK LN insulated [i.e. plastic] split load board, with only one side RCD protected. A direct predecessor [I think ?] and very similar in appearance to the...
  6. A

    RCBO tripping on outside lights

    Hi all, Wondering if you could offer some advice please. I carried out a small outdoor lighting project today at a commercial property. 4 lights controlled by a photocell. As a background, the cables were installed by the resident electricians. 1.5 SWA at all 4 lights. The supply is ran back...
  7. S

    Which RCBO will fit this older GET board?

    Hi all, Just wondering if any of you know which RCBOs might fit this old GET board? Cheers in advance!
  8. L

    How to "Monitor" a RCBO??

    Anyone think of a way for a 'tripped"RCBO to notify property owner etc. Client has a valuable display cabinet thats fed from a RCBO (Radial) . But wants to know if it ever "trips" ? And the cabinet loses power .
  9. J

    C40 rcbo on ring main changes to b32 causing nuisance tripping

    Ring main was on a c40 rcbo so I tested the circuit everything was fine and dropped down onto a b32, It’s quite a long circuit but only serves about 10 sockets.The rcbo stays on but the client says trips frequently, I’ve been back and the rcbo stayed on the whole time, I then left and over the...
  10. Amr400

    One RCBO killing entire board?

    I had a 6amp RCBO feeding a 2.5mm radial ( temporary measure) It tripped, as I expected would But once tripped, all the other circuits went dead? I replaced with a 16amp RCBO, powered on, and everything back to normal? What could have caused this?
  11. J

    RCBO tripping issues

    Hi, I have just replaced an old rewireable fuseboard with a 10way consumer unit with rcbo's fitted. The issue i have is that when i connect one of the three lighting circuits it trips the other two lighting circuits together with one of the 32amp ring circuits!!! I thought borrowed neutrals at...
  12. J

    Sanity check on plan for CU replacement (MCB to RCBO AFDD)

    I'm planning a replacement for my existing domestic CU and would like to have it sanity checked before I get an electrician involved. The main reason for replacing the whole CU is that I would like to have an additional circuit to the attic which would be isolated from the existing one. Long...
  13. HappyHippyDad

    Type A RCBO for this consumer unit?

    Hello all.. I'm quoting for some work and would like change the type AC RCBO to a type A. Consumer unit is a castlec which I have not come across before. I can see from their site they make them, but cannot find them for sale? Also, are they rebranded? Is there another identical breaker that...
  14. S

    Lights RCBO keeps tripping randomly

    I have an issue with a home lighting circuit 6A RCBO provides power to 13 bulbs which randomly keeps tripping, when I say randomly it keeps tripping with no switches or even bulbs being attached to the circuit. Even trips when other appliances that are not on that lighting circuit are not being...
  15. S

    RCBO in office consumer unit

    Hi all Now being upfront I am not a sparks. I am about to have some work done by a friend (certified) and as he is doing me a favour I want to as much ground work and speccing up as I can. So heres the situation. we have a summer house at the end of the garden which is being fed by swa from a...
  16. K

    Consumer unit rcbo spd price

    Evening all . Just a quick question what do you guys typically charge for an rcbo spd consumer unit change 14 way . 10/11 rcbos few spare ways . New meter tails . All certified /notified Cheers
  17. KelvinGaliny

    Can Live wire runs through the Neutral side of RCBO?

    So I had an inquiry to make an electric panel (single phase) with RCBO, but it seems like our customer uses type C and F power plug (I live in Indonesia). This plug doesn't have a guide to ensure the Neutral would always be in Neutral side & Live to always be in Live side. Can I still use RCBO...
  18. S

    Suitable RCBO for EESS install

    Hi Doing my first Inverter and Battery install on a domestic property having just completed my EESS course with LCL. Question is how do I install a bi directional RCD/RCBO at the distribution board to supply and feed back power from the the inverter? I think I need an RCBO to the standard...
  19. H

    Wylex RCBO Test - To middle versus bottom position

    Last week I took the opportunity of having the mains power off to test the RCBOs in a Wylex Consumer Unit, fitted nearly 5 years ago, which has the following: 1 off NHXS1B40, 4 off NHXS1B32, 2 off NHXS1B16, 3 off NHXS1B06 and 1 off NHXS1B25 Now on Test, the B40 switch went to the mid position...
  20. sythai

    Crabtree Starbreaker - help please

    Hi Guys Forget to take cover off on last visit, back there Tue and need to sort some RCD protection. Will this rcbo fit in this 'older starbreaker' DB ? couple pics attached Thanks Sy

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