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  1. Hellmooth

    Running new lighting circuit earth

    Hi quick question, got a newly wired lighting circuit that has had the earths chopped, would be easier for me to run a new earth alongside, is there a minimum size of earth if ran in singles and not protected by an outer sheath, got 4mm in my head but not sure where from!
    • Hellmooth
    • Thread
    • cable circuit earth lighting lighting circuit minimum new protected running
    • Replies: 39
    • Forum: UK Electrical Forum
  2. J

    copy of 16th ed- requirments for rcd protection

    has anyone got a link/pdf of the requirements for rcd protection in the 16th ed -more for socket outlets ***sorry if its 25-30 years old- it would be 15th ed right****
  3. S

    Garage Sockets

    Im looking to add 4 new sockets into a garage, there is no live sockets or anything to come off In the garage already so Im looking for something the otherside of the wall to come off of to get my live connection. I have located a socket indoors which already has two wires already going to it...
    • soborski2015
    • Thread
    • already breaker circuit garage protected running socket sockets
    • Replies: 17
    • Forum: DIY Electrical Advice
  4. H

    commercial dsitribution board change leaving existing circuits non rcd protected

    I am changing a commercial distribution board like for like, Can someone confirm im correct? Ive only allowed rcd (rcbo) protection for new circuits or circuits im working on, and noting in my installation cert, that those existing lighting circuits don't comply with amendment 3 regarding rcd...
  5. A

    2.5mm2 ring main protected by 20amp breakers

    So an old colleague of mine stipulates that ring main should be protected by 20 amp breakers. Why you ask? Well he said because a piece of 2.5mm2 can only take circa 26 amps and if the ring main broke at any point it would effectively make it two radials, and it would be protected by a 32 amp...
    • atm84
    • Thread
    • breaker breakers main protected radials ring ring main
    • Replies: 31
    • Forum: UK Electrical Forum
  6. E

    Maximum Zs for distribution circuits protected by 60947-2 MCCB's

    Anyone know where I can view up to date reference documents etc to acquire the Maximum Zs for distribution circuits protected by 60947-2 MCCB's? Regards David
  7. Dave OCD

    Supply for Combi Boiler - RCD required ?

    Allright chaps I have to connect a new Combi this Saturday morning, intending to fit a 3 amp fused switched FCU and take the supply off a handy socket [about 2 feet away and on a RFC not a spur] The consumer unit is an old MEM with cartridge fuses and there's no RCD, [TNCS system with Ze of...
  8. N

    Everything RCD protected?

    Hi all, My understanding is that everything should be RCD protected now, as it is unlikely that all the criteria is met for it to not need RCD protection. I went to my friends house the other day and the consumer unit had a periodic inspection and test carried out by the local council last...
    • Noob2013
    • Thread
    • everything other protected protection rcd
    • Replies: 10
    • Forum: UK Electrical Forum
  9. D

    Armour cable ran to garage on 16a breaker

    Hi Everyone, I have armour cable running from my house to my garage in a new build, it is connected to 2.5 that connects to my consumer unit, can i put a socket before armour cable for my wifes new battery hoover without any adverse effects? its protected by a 16a breaker then runs to garage...
  10. M

    cooker tt no rcd

    hi extended a 32 amp cooker circuit, adding a cooker switch and outlet plate. extended as it is a 7kw range cooker now situated in fireplace. old cooker now not going to be used. problem is its on a 16th edition board and is on tt. the cooker and lighting are non rcd protected. ideal...
    • midgetman
    • Thread
    • cable cooker ideal imageshack protected rcd
    • Replies: 27
    • Forum: UK Electrical Forum
  11. S

    rcd or no rcd ?

    Does a 16 amp commando socket installed in swa in a warehouse need to be rcd protected ?
  12. sparksburnout

    Zs out of spec on an RCD protected circuit

    Please accept my apologies if this is in the wrong category, and also my ignorance as I feel I should know this but I think the heat has confused me. In the theoretical scenario where you are doing an EICR on an RCD protected circuit, but the Zs for that circuit is actually (just, say) out of...
  13. B

    3kw Immersion blowing sfcu 13a fuse about once a month...any ideas?

    On dedicated 16amp mcb Wired in 2.5t&e to sfcu (13a fuse) then 2.5mm heat resistant flex. Fuse has popped twice in last 8 weeks etc. Element R 18ohms. all seems ok? Should I just swap sfcu for 20amp double pole switch? haven't clamped to measure the draw yet as didn't have it with me. Cheers
    • bleach
    • Thread
    • between blowing element fuse ideas immersion protected switch
    • Replies: 21
    • Forum: UK Electrical Forum
  14. F

    Economy 7 Testing

    OK, I've done a search for the above on the forum and I don't really think a definitive answer has been given, so I pose the question for discussion; how would you carry out live tests on an economy 7 circuit where you cannot gain night access? I pose the following: 1) For non RCD protected E7...
  15. C

    Help with adding RCD protected circuit to old Wylex board

    Hi All, First off.. I'm NOT an electrician and am not about to commence DIY electrical work! Just looking to get clued up before calling a sparky out. I'm having some work done on our bathroom which involves the fitting of Warmup underfloor heating and I've got an issue in that we have an old...
    • CraigT82
    • Thread
    • adding board circuit help old protected rcd wylex
    • Replies: 2
    • Forum: DIY Electrical Advice
  16. N

    Customers...sheesh

    Quoting earlier today for extra light in bathroom, checked CU, lighting is not on RCD half of board. Pointed out issue to client and discussed it, i.e. bathroom lights need to be moved to RCD protected circuit or otherwise RCD protected if I am to do the work, client says "Oh, the electric...
    • NickD
    • Thread
    • being cable cupboard customer protected
    • Replies: 6
    • Forum: UK Electrical Forum
  17. N

    Moving A Socket A Few Feet

    Client wants (indoor, domestic) socket moved a matter of a few feet, assuming cable is not to be buried in wall, would you say for regs compliance socket must be RCD protected? I know the answer is liable to be yes because it's adding a new socket and decommissioning the old, but just wanted to...
    • NickD
    • Thread
    • answer because going moving protected socket
    • Replies: 107
    • Forum: UK Electrical Forum
  18. H

    TT eicr code?

    Hi doing an eicr on a tt system, plastic board, bonding ok! It is a split 16th edition board with 80amp 100m/amp main switch which has the lighting, smokes and boiler on. On the other side is a 63amp 30m/amp rcd protecting sockets, cooker and shower. The Ra is 28 ohms. anyway my interpretation...
  19. E

    Adding a spur to an existing circuit on a BS3036 CU

    Hi there, I'm a newly trained electrician with limited experience and could really use some expert advice. I've searched through the forum about this but have only managed to confuse myself further. I have been asked to add a double socket to a living room ring circuit. My plan is to spur off...
    • electro-lass
    • Thread
    • adding circuit existing interest protected socket spur testing
    • Replies: 57
    • Forum: UK Electrical Forum
  20. T

    Lighting fused down on 16amp radial

    Hi I've just got to the end of a job in which I installed a 2way RCD protected CCU supplying 1x50a shower circuit and 1x16a radial circuit which consists of a 13a switched fused spur (outside bathroom) for a 2kw bathroom blow heater. Typically now the job is finished the customer has decided...
    • TheMunk
    • Thread
    • bathroom circuit existing fuse fused lighting protected radial
    • Replies: 13
    • Forum: UK Electrical Forum

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