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rccb

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  1. S

    RCCB tripping when under load problems

    Hello I am new to the forum and was hoping I could pick your collective brains. I am an electrician with 7 years experiance. I have mainly worked for the MOD and on commercial and industrial builds throughout my time. I now do the odd bit of domestic work and need some help on a kitchen ring...
  2. A

    RCCB 100a type s on a TN-S

    i come across this today and it does not sit well with me. so im after a little advice. its a TN-S system Ze 0.12 and Zsdb 0.16 there a type S 100A rccb as a main switch with no RCD's up stream, This does not sound right to me and all the MCB's are C type. all my I.R were greater than 2k except...
  3. M

    Introduction (belated)

    Hello, Just a little about myself. I am currently in the Information Technology Field with a focus on the rapidly developing Internet-of-Things (IoT) market. Personal electrical experience in the UK, the US & Canada. Continuously intrigued by the history of how differing electrical standards...
  4. T

    Crabtree Loadstar RCCB Trips (And where to buy)

    Hi all, First of all, i'm sorry if I am not permitted to post here as I am most definitely not an electrician (so excuse my ignorance) Since yesterday, I have not been able to use any sockets, due to my RCCB Split-Load tripping. If I switch the "sockets" switch on my consumer unit, it will...
  5. S

    Sports pavilion rcbos or rccb incommer

    Hello guys. I was asked to quote to replace a 3 phase db in a sports pavilion. All cables are twin and Earth in the wall. Because it's a building open to the public I decide to go with rcbos on every circuit, to give extra protection and discrimination so they don't lose everything if a fault...
  6. D

    random rccb trip

    Hi guys, first off im not a qualified electrican but i am a qualified engineer and very competent, also assisted a few rewires to help a friend start a buiseness a few years ago. So to the point. I recently bought a new house and its had a full rewire as all the cables are new colors and it...
  7. Lee Gold

    Rcd / rccb - mcb

    However many tripping devices and breakers. I cannot, how ever many times I read what they are and how they work and what there differences are, I still don't get it. Can someone explain in short terms what is the difference between rcd/ RCCB, MCB and whatever else please, I seriously don't...
  8. A

    Sockets tripping different rccb?

    Quick question which I will probably kick my self when I look into the d/b in the morning. We currently have a house being restored(finishing touches) had western power out this morning to change over to PME, I came home from work popped in the house to catch the first half of the rugby and...
  9. B

    Crabtree Type 1 RCCB 40A

    Hi Looking for 1 x 40A RCCB Crabtree type 1. Can't seem to find one anywhere! Does anyone know if another RCCB will fit or if theres companies still selling these? Thanks
  10. Pip

    Economy 7 RCCB Trips from 24hr Circuits Your Thoughts

    Hi Guys, Called out yesterday morning client has 2 x Wylex Boards with MCB's each has a 63Amp, 100Ma RCCB as the main switch on a TT System. Board 'A' is the main 24hr feed for the house, Sockets., Lights etc 8 circuits Board 'B' is the economy 7 night storage heaters. feeding 7 circuits...
  11. B

    linked out rccb

    So gets a shout today to check out a tripping circuit in a student halls we look after. Gets there and the staff are vague but somebody had been at it over the weekend and done a temp fix. Ok I says and off I trot to have a look. Gets the cover off the single phase split board and find 2 x 10mm...
  12. A

    RCCB Tripping

    Afternoon all. This is a weird one but I thought i would ask your thoughts to satisfy my own cuisosity and apologies for long post! Board is a Crabtree with 1no RCCB. The RCCB tripped when the TV was plugged in and socket turned on. RCCB would not instantly re-set but it did after a couple...
  13. N

    RCCB as main switch?

    Hi all, I have been to a property where the tails come out of the meter and into an RCCB which then feeds the main switch of the consumer unit. All circuits are protected by MCBs. If I'm adding a new circuit, is it best put in an RCBO instead of an MCB? Thanks
  14. M

    RCCB 4 Pole 80A 300ma

    As The title says I have 2 of these boxed brand new Hager 4 pole 80A, 300ma Ref number is CF480M . Special order then not used. 50 quid each or 2 for 85.00 inc postage need rid just in the way.
  15. D

    RCBO vs RCCB

    I'm a Canadian electrician thrown into the 'European' wiring world (not in Europe though). I was just reading up on RCCB in that they are 'similar' to our GFCI's but do not provide over current protection, therefore, an RCBO is required as the O in RCBO is over current protection. As I've been...
  16. Simon-0116

    wanted mem 2 or 3 rccb main switch

    Looking for a main switch rcd for mem 2 or eaton board, 100 / 125 a, 300 ma s type preferably, any one got one. If not how much should I pay for a stand alone enclodure with said switch in thanks
  17. G

    CU with RCCB Main Switch and Outdoor Socket Protection

    Has anyone come across the Square D Domae consumer units, by Schneider, with an RCCB Main Switch? I have a customer who wants an outdoor socket installed? A simple job to spur off the back of a the nearest kitchen socket; run 2.5 mm2 t+e through plastic glands, 20 mm conduit and fixed bends...
  18. M

    MERLIN GERIN Multi 9 4P RCD RCCB 100A 300mA

    Does anyone know if there is a common problem with the Merlin Multi 9 RCCB 4 pole 100Amp 300mA, not tripping as we have replaced an existing unit with a new one but the issue is the same, Many Thanks Mark
  19. C

    Swapping RCCB main switch for RCBO's

    Hi all I got called out to a fault the other day, main switch RCD tripping. I arrived at the house and the first thing I noticed was that the two very large goldfish in a large bowl where swimming upside down. Anyway the fault was easy to locate a rodent chewed cable in the garage with a bit...
  20. S

    Help!!!!!!!! Crabtree star breaker rccb

    Hi guys, Bit stumped here. Have an rccb split load Crabtree star breaker... Which is tripping with any load put on it. The only circuit which is on this rccb is my new 20a radial for sockets. I've done my cont at .46 my insulation passes at greater than 299. Did an Rcd test which passes .. Did...

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