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rcbo's

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  1. 4

    For sale: assortment of new Wylex RCBO's to fill a board

    40A, 32A, 20A, 16A and 6A RCBO's for sale half price. Also a selection of new Wylex, Crabtree and Memshield MCB's. (Dudley DY2 W. Mids).
  2. R

    Hazardous Area / RCBO use

    I've heard somewhere along the line that using Schneider / Merlin Gerin RCBO's is not recommended for RCD protection, in my case I'm referring specifically for protection of circuits within hazardous areas. Infact, I believe in the same conversation there was mention that RCBO's had been banned...
  3. A

    Dorman Smith faulty RCBO's???

    Right fellas advice/ wisdom required!! Im currently testing a large installion 20x 16way 3ph boards. Anyway the majority of the circuits are protected by bs 61009's, Dorman Smith to be exact. However when i do my Zs test the rcbo trips. Its the new megger 1730 so this shouldnt happen, been on...
  4. F

    rcbo's tripping randomly

    Hi all, new to the forum and got a cracker for you. story so far... 100 year old mid terrace house. was asked to inspect/test 30year old wiring. turns out ok so recommend new cu, all rcbo's and DNO to install PME. shower, kitchen rm, house rm, lights up and down. all goes well, everybodys...
  5. M

    Exhibitions at Wembley

    A customer of mine sets up exhibitions for the like of Carlsberg, Budwiser, Hardys etc. Each year they have been, they Hire a 400A three phase flight case distribution board, each phase has 10 RCBO's and around the back of the flight case it is loaded with 16A and 32A commando plugs. All...
  6. Griffin

    RCBO's not tripping on High Current EFLI test

    Hi all, Did a CU change today, now have 9 circuits are on 30ma RCBO's A TNCS property with a ZE of 0.35........ 16mm MEC 10mm bonding to gas and water CU was from the Denmans basics range 12 way Now all the RCBO's trip fine on when you test them x1 and x5, and when I did a ramp test they all...
  7. W

    what ohms trips rcbo's

    ball park figure: The actual number is beyond my limited old brain Insulation res. test n&e would trip (set 500v) rsbo/rcd What is the threshold / trip ...not trip, ohms reading on tester I guess some manufacturers may differ slightly, but there must be an inbetweeny? In the old days, n&e...
  8. B

    RCBO's replacing MCB's

    Hi guys, I am quite new to all this and I have a number of questions running through my head. One of them being..... Do most RCBO's fit into the space occupied by an MCB to enable that circuit to be RCD protected as I have seen posts to suggest this might be possible? (Of course this would be...
  9. D Skelton

    CU change. How many RCD's?

    Hi people, I have a nice little consumer unit change to do in a couple of days. Quite a nice little job if you ask me but the funny thing is, it's in a flat and there are only three circuits. Lights, ring and cooker. What are your views on the type of CU I should put in? My thoughts are to use...
  10. B

    WYLEX RCBO'S 32A and 6A

    I have for sale WYLEX RCBO's (newest type) in 32A and 6A. They are all 30mA type B's but i do have a couple of 30mA 6A type C's kicking about. I have got about 6 of each. For a price posted to UK mainland im wanting £11 each which is a good price considering theyre £36 at screwfix...
  11. richy3333

    RCBO's for a Proteus board

    Hi all. My customer wants some work doing in his bathroom. He has an old sh*%ty (my opinion) Proteus board (the type where the sides all come off too easy and the board front locks using the spring clips) with no RCD protection. Conventional RCBOs wont fit into the CU as the busbar sits very far...
  12. D

    RCBO's on under floor bus bars

    I've been asked to spec up a job at a newish office block. Raised flooring has been installed with bus bars and tap off leads. Bus bars have been installed using 10mm swa with 63amp MCB, tap off leads have 32 amp unfused plugs on them.. There are about 12 floor boxes per bus bar and 4 bus bars...
  13. M

    Wylex RCBO's

    I put a new circuit into a CU which had one RCD so thought RCBO on non side. Circuit installed, all dead tests okay, RCBO in and turn on, straight off of goes, it would not go one. After a bit of paranoia and checking every thing including possible borrowed neutrals, earths mixed up and every...
  14. G

    How to keep an 24 way 3 phase DB neat, when fully loaded with RCBO's

    Currently doing an install, with an 24 way 3 phase DB, and it is fully loaded with RCBO's, and it is getting very messy with the 'coil' of neutral off the RCBO to the neutral bar, and even some of the 'fly' earths are too short. Also what are peoples opinions on ty-rapping loomed cables inside...
  15. P

    Merlin Gerin RCBO's & Squard D 3 phase MCB's

    Job lot of: 9 x C20a RCBO's 7 x C16a RCBO's 1 x C32a RCBO 1 x C32a RCBO - Schnieder, practically new All used, some in really good condition other have the bottom clip missing the lot for £50 plus delivery, or you can pick them up. 4 x C16a 3 phase Square D KQ boxed 3 x C32a 3 Phase Square...
  16. B

    For Sale 4 new wylex 6A RCBO's

    i have 4 new wylex RCBO's for sale. 6 amp type B. £42 delivered for 4 or £12 each delivered. (uk mainland only) paypal only please :) thank you
  17. C

    Division of circuits

    Been asked to change an old domino board for an RCD. Situation is it's a terraced house, currently the upstairs downstairs and kitchen sockets work off one fuse and all lighting in the house works off the second. My question is In order to comply with regs Do I have to have to have kitchen...
  18. B

    For Sale MK CU. WYLEX RCBO's. MK D/S's. MK S/Ss

    hello all. cleared the garage out the other day and have these items up for sale as they are no longer needed. where i have put "x 6" or "x 10" it means im selling as a set of 6 or 10. too much hassle to split and send out single items. SOLD SOLD SOLD SOLD MK Consumer Unit. 17th edition split...
  19. P

    Fitting new cu on old installation

    Family member has asked about having a new cu installed. The old installation only has one ring supplying up and down sockets and also only one lighting circuit. They don't want a rewire. So long as all testing is ok prior to the change is there any reason it should not be done? I know it's...
  20. R

    RCBO's

    Morning all, and happy easter! Right, generally speaking, how much are you guys paying for RCBO's at the moment? Many thanks

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