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  1. D

    Rewire - leaving installation temporarily un-RCD protected

    Hi chaps, Got a rewire to do for a friend, but having to do it in various stages due to the house being occupied and VERY full of "belongings"! Was planning on doing the job over several weekends. The priority is both lighting circuits. I had to disconnect them a while back when I went to...
  2. P

    DB protected by a 63amp RCCB

    quick question i have come across a DB wich as recently been installed it is a 12way HAGAR DB with a 63amp RCCB as the isolator my thought is that this should have been an isolator and RCBO,s fitted were required mainly to avoid problems from nuisance tripping am i right
  3. J

    Find cable routes? - old house - not in protected zones

    Need to find out where someone routed cables in 1970's extension so I can part the light circuit from the ring!!! Any ideas what tools are best to trace the cables? The extension is a flat roof that 3 months ago was replaced, typical! Have been looking at fuse finders, tone generators, multi...
  4. M

    EICR coding

    Hi guys After advice doing EICR report on a welfare set up on a building site I am after advice on my coding welfare set up is on a tn-s protected by 100ma main rcd tripping out at 42.3ms at x1 I have some covector heating circuits on a c16 mcb but zs is to high for the c16 what code would...
  5. P

    Pv tripping rcd

    Hello all, I have been to a property with a crabtree starbreaker board main switch is 80A 30ma rcd. The customer thought the dishwasher was tripping electrics I teste IR when I tested RCD it tripped on times half! I have ordered a new one but when the breaker is turned off for the PV the rcd no...
  6. B

    Schedule of Inspections

    My second post coming up and once again a 'hypothetical' that could become reality shortly... Install a radial socket circuit in a garage supplied from a spare way in the consumer unit (RCD protected), all tests ok. 1. Presumably this requires a EIC and associated Schedule of Inspections? 2...
  7. N

    4mm protected by 32a mcb

    Hi guys was testing a board this morning and it had a 4mm radial circuit protected by a 32a mcb, the circuit came from the d/b and ran through metal trunking in the ceiling and then went into conduit and down inside a wall space ( not sore if insulated or not ), and then into dado trunking, regs...
  8. N

    Testing Help

    Hi guys just finished a 17hour shift so got a bit of a sore head and cant think straight just now lol, was on a ****ty install today and got a few questions to refresh my memory, thanks.... no slagging me 1. ring circuit= 6 sockets protected by a 32 mcb, on 1 of the sockets there is a 0.75mm...
  9. E

    can I do minor works on a non RCD protected circuit

    got a kitchen/diner knock through to do, all they want is the 2 old room lights joined and the switches made 2 way, circuit has no RCD protection at the minute it's on the non RCD side of a 16th board. all other circuits i need to work on are on the RCD side of the board reason i'm asking is...
  10. N

    Split load dual RCD

    Please excuse my ignorance but what is a split load dual RCD,or a split board. Don't slate me I'm based in Ireland.We use RCD's and RCBO's. I'm just curious.
  11. S

    Garage Power fed via SWA from the back of a 13amp double socket to a DB int he Garage

    I'm hoping some of you guys out there on the forum can perhaps provide the benefit of your experience with the below issue:- Currently working on a job where the garage which is approximately 25 - 30 feet away and adjacent to the house, has its power fed to it via SWA connected off the back of...
    • Stuartnt
    • Thread
    • cable double final garage garage power however power protected socket swa
    • Replies: 0
    • Forum: UK Electrical Forum
  12. flukey

    240v site lighting

    hi all, not been on here for a while as the twins are taking up all my spare time at the moment :) been asked to fit some flood lights to the top of a building site hoarding which is 6 metres tall. they want feed and loops in swa to adaptable boxes and blue arctic from boxes to lights. dont...
  13. C

    Max Zs exceeded from generator

    Hypothetical situation, power supplied from a generator - So a temporary installation. BS 61009 Type C 100mA RCBO – 32A fitted at generator Cable run is approx. 300m, in 4mm HO7 Rubber PVC flexible cable ran outdoors, terminated in a 32A socket (single phase) Ze = 0.03 ohm Maximum Zs is 0.72...
  14. T

    i apologise for my work

    The pic shows feeds to a socket and light fitting in a kitchen,I replaced the original wiring and spent hours trying to find another cable route without success. It looks like the kitchen has been extended at some point and the remaining concrete lintel is stopping anything but limmited access...
    • thekingiam
    • Thread
    • anything attach electrical work protected under
    • Replies: 14
    • Forum: UK Electrical Forum
  15. R

    Special Locations use of RCBO

    How does this sit with the more recently experienced among our number. Prior to accreditation I had the bathroom refitted and electrical work carried out as part of the refit. The electrician subbied by the fitting team used a spare way in the consumer unit protected by the RCD i.e. moved the...
  16. timo1

    Bit of help with a TT installation please...

    Hi, i'd appreciate a bit of help with this one if poss. Went to look at a job on a TT installation, property was a single story bungalow and has since been developed with another floor. As usual everything has been immaculately decorated, floors laid etc..and no thought given to the electrical...
  17. R

    Small industrial quote!

    Hi guys, gotta price a supply to a water heater and run a supply to 3 double sockets in a small room in a unit. It's a 3 phase board, no RCD protection. The DB is just outside the room in question.All cabling is gonna be surface. Can I put in PVC trunking and do both circuits have to be RCD...
  18. S

    Kitchen Appliance circuit

    Designing a kitchen appliance circuit, i plan to feed a bank of grid switches with a 6mm T&E fed via a 32A MCB, then each switch will have a 2.5mm cable to a fcu supplying an under counter appliance. My main question is, is it ok to change down to 2.5mm and then feeding the FCU? As the cable...
    • Snapester
    • Thread
    • appliance circuit connected kitchen protected switches
    • Replies: 61
    • Forum: UK Electrical Forum
  19. G

    RCD Plugs

    Can anyone tell me a PRACTICAL reason for installing RCD plugs to class 2 site equipment, and how do i PAT test the actual appliance without removing the RCD plug?
  20. A

    RCD protection for PV?

    Does a PV system have to be RCD protected? I did a number of PV installations with a very experianced electrician who said that the PV system had to be RCD protected, but I'm not sure. The AC cable will not be burried in a wall and it's not going into a bathroom, or outside, or suppling a...

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