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  1. B

    circuits protected by 100ma

    Hi all What code would you all give for a eicr, where the domestic property circuits are protected by 100ma rcd main switch, myself it think c3
    • Buzz-light-bulb
    • Thread
    • 100ma circuit circuits protected sockets thought
    • Replies: 16
    • Forum: UK Electrical Forum
  2. S

    RCD protected ..

    On the coming job i have to do a new wiring on massive shop.Deal its between me and show owned.There its about 200 m2 place with shelf's where shoes and handbag have to display.+ reception + office + 3 toilets + shower .I don't have any problem to to this job but im not clear on the RCD...
  3. I

    Eicr

    metal outside light , no earth , C2 or C3 ?
  4. M

    Garden Socket

    Hi, I'm basically installing a single weatherproof socket in a garden for a pond pump, and I'm wondering if there are any sockets with a stake attached, to knock it in the ground, in situations where there is no permanent fixing point? Just wondering what people have done in this scenario and...
  5. P

    Sub distribution supply fault protection question

    Hi, carried out an inspection this week on an installation which consisted of two phase three wire to a small building from an electrical switch room. The supply is wired using 25mm LSF/SWA protected by BS-88 at the sub. At the building the supply is terminated into a 947-3 isolator and then...
    • Paultrim123321
    • Thread
    • building distribution fault protected protection question supply tails
    • Replies: 20
    • Forum: UK Electrical Forum
  6. J

    Will a reading higher than given in 7671 for Zs values be okay if protected by RCD

    I might be COMPLETELY wrong.... but I have recently finished my level 3 in college and I'm sure I was told that if a Zs value is higher than the max reading in BS7671 it's okay if it's protected by a 30mA RCD, so it passes. I sort of remember writing 'satisfactory' on the test form next to Zs...
  7. J

    test rig with fault causing fault elsewhere

    :confused5: I have been asked to wire up a couple of CU on plug tops on a display for tenants to show how to go about basic fault finding before they send for a call out . I used 2 wylex boards , one with dual rcd and one with none . I put a neutral earth fault but that resulted in the plug...
  8. driverman

    Lay - Z - Spa installation help reqd.

    Hi Guys, Customer has brought a Lay-Z- Spa pool (basically an inflatable hot -tub) which comes with pre-wired plug top and flex for the pump/heater controls etc. The pool will be positioned outside, rear of detached garage. I proposed wiring an outside weather proof skt which will be RCD...
  9. S

    Garage RCD question.

    Right here's the info...there's a small 2-way consumer unit in a external garage. Just a 40A main switch with two MCB's one for lights & one for sockets. Was adding lights & sockets today & the guy I work with said that as we were adding to the circuits we'd have to replace the main switch with...
    • SSE
    • Thread
    • adding already garage protected question rcd supply
    • Replies: 3
    • Forum: UK Electrical Forum
  10. S

    MCB Submain and RCBO Protected circuits

    Hey guys! I have recently been ask to install a submain to a customers workshop. The installation I was going to use was a 100mA DP Timedelay RCD with a 32A MCB at the supply origin for the SWA submain. In the workshop I was wondering if I can install and DP Isolator with RCBOs to protect the...
  11. T

    RCD doesnt trip on test.

    Hi I have a 6 way split load board located in the shed and served by 10mm SWA. Anything on the unprotected side of the board tests and works fine. However this is not the same for the protected side. I can plug a radio in and the circuit does not trip, but if I use the lawn mower or a drill the...
    • Templer
    • Thread
    • button doesnt neutrals protected rcd test trip trips
    • Replies: 50
    • Forum: UK Electrical Forum
  12. M

    Supply to submain no rcd.

    I've been asked to do some minor alterations to an out house which is supplied from CU in main house. Now the new CU in outhouse has RCD protected circuits but the supply from main house is not RCD protected. The cable is a 20m run in hightuf clipped to outside wall clearly visible. Should I put...
  13. electrosparks

    smoke detection/rcbo yes or no

    HI SPARKYS JUST A QUICK BIT OF ADVICE REQUIRED. HAVE RECENTLY BEEN TO PRICE A DB CHANGE OF THE DUAL SPLIT LOAD VARIETY.and noticed the instal has a dedicated smoke detection circuit .Now i have also noticed that this circuit is buried in plaster (through a safe zone) and in fact all circuits...
  14. M

    Volt drop from radial spurred from ring main.

    I'm installing a gate supply at the end of a customers garden. My plan is to spur off internal ring main and run a radial roughly 100m to end of garden. Providing the long run cable is of adequate size to sustain 230v to the end of the garden am I right in thinking that I can tee off again at...
  15. A

    Garage to be protected by an RCD

    Hi, I am an industrial electrician and have been asked by a friend to do some work on their house. I would like some advice on RCD's. I have been asked to install a light and a socket in a garden shed. I am planning to supply the shed via the garage which already has a supply from a 32a...
    • ash88
    • Thread
    • circuit garage house protected rcd supply
    • Replies: 46
    • Forum: UK Electrical Forum
  16. C

    EICR coding opinion?

    Bathroom light fitting ceiling rose b/c type in zone one C2 or C3, RCBO protected, existing install designed to previous regs? thoughts appreciated?
  17. M

    16th board advice

    Hi i recently went to a job for a partial rewire, it's a 16th ed board, 3 circuits RCD protected 6 not RCD protected. They want to keep the existing board. I will replace some of the MCBs on the unprotected side with RCBOs for the new circuits, would this be compliant? Even though some existing...
    • Meggersamantha
    • Thread
    • advice board circuits existing protected
    • Replies: 8
    • Forum: UK Electrical Forum
  18. H

    An interesting RCD problem

    Got called to a house the other day RCD trips when switcing on the kitchen light only problem is that they have a split board with one RCD that protects sockets, shower and cooker. The lights up and down and smokealarm are not protected by any RCD I changed the light switch and it has improved...
    • haden
    • Thread
    • circuit circuits fault interesting light problem protected rcd
    • Replies: 11
    • Forum: UK Electrical Forum
  19. S

    Are office sockets allowed not to be rcd protected

    went to an office this week where there are 2 rcbo's nuisance tripping every now and then. apparently one does the floor sockets in the office and one does the wall sockets in the office, now as the office was full of staff working on their computers i could only go by what one member of staff...
  20. S

    double rcd

    got a split board in a house, going to put a sub board in the attic to supply sockets and lights, do i need an rcd on the sub board.? the main cable going to the attic will be 10mm on a 50A mcb with rcd main switch.
    • southside elect
    • Thread
    • cable double protected rcd supply
    • Replies: 10
    • Forum: UK Electrical Forum

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