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  1. D

    Why? Is metal conduit so thick

    I have been given a short length of Emt tube from America , which is basically their ‘go to’ produce for surface wiring. It is thinner than our version and much easier to bend than our version. I would say it’s not much thicker than copper plumbers pipe. But imo offers good mechanical strength...
  2. I

    TIPS? Running Neutral Wire in Old Conduit NYC Building approx 1950

    Hello! I am setting up a smart home system and will need a neutral wire for the application. Some of the existing switches to be replaced only have 2 wires. I believe I will need to run my own neutral line through the existing conduit. I have done so before and just used a stiff wire with...
  3. S

    Conduit R1+R2

    Hi guys looking for some advice I'm working in an old property with conduit fed ring mains and lights. I've got a full street of these to test so looking to see the best way to go about it . There is no seperate cpc ran in to any of the switches or lights. The integrity of the conduit is perfect...
  4. gazdkw82

    Conduit and mini trunking cutters

    Any recommendations? Or best to stick to separate conduit and trunking cutters?
  5. captaincaveman

    Cable method for sumerhouse power

    Hi guys, I'm just looking over a job putting power to a summer house but am wondering if anyone has any recommendations on how to lay the cable. The cable length from the house is 50M going up the house side wall, across a patio, up a 10m wall (onto a balcony garden) then across a balcony...
  6. Z

    Steel conduit used as CPC in flat, can’t find bonding, can’t find ring main CPC at C.U

    I’ve been asked to add a couple of extra points to the single ring main in a flat. Building fabric is concrete, all of the electrical installation is steel conduit buried in the concrete. I opened the consumer unit and could only see one CPC for a radial socket, as well as the main Earth. No...
  7. C

    Plastic conduit into metal cu

    Hi this is my first post here. I’m a newly qualified spark mainly working in domestic houses, I got a job coming up where I’m planning to install pvc conduit for some sockets in garage attached to a house. Would installing pvc conduit affect the fire rating of a consumer unit or would I just...
  8. B

    Steel Conduit Bending Writen guide.

    Looking for writen guide to bending Conduit. All conduit bending guidance seems to be done through word of mouth. Looking for a writen guide even if ancient There must be something writen down with guidelines, angles etc. There seem to be US guides but nothing for the UK. Thanks.
  9. H

    How to test a circuits in steel conduit as the cpc

    Good evening I am currently a training to become an electrician. I do hold both initial verification and periodic testing qualifications however this is an issue I have never personally had to deal with and was never mentioned on any of my courses as often seems to be the case. Basically I am...
  10. P

    Conduit bender advice

    I do very little steel conduit work and can't justify buying a full bender set up. My dad has a hand held plumbers pipe bender.Would I be able to fit a 20mm former and guide to it to use for bends and sets etc.
  11. J

    Commercial Need advice for commercial install - conduit

    Hi All, I need some advice if you don't mind please. Not an electrician and have just moved into a workshop and electrics were relatively ok but now we need to install some new lighting as cheaply as possible but safely. We had some LED battens from our old workshop and we've hung them in...
  12. Jay89

    Wanted [South] Steel Conduit bender 20/25mm

    After a steel conduit 20/25mm bender with clamp and formers etc. Happy to collect if anyone has one available, just north of London.
  13. diyterry

    Two cables through conduit

    Morning, hope your all well. Is it okay to run a 2.5mm and a 1.5mm cable through the same 20mm conduit?
  14. Zdb

    Red brick conduit / cable

    Just wondering if anyone makes a red brick colour conduit? I want the cable/system to be as discreet as possible as it has to go around the side of the house.
  15. J

    inspection bend cover in outside plastic conduit - top or bottom?

    I have some 20mm black pvc conduit fitted outside for data cables. Should the inspection covers on the inspection bends and elbows be on top or underneath to be waterproof?
  16. R

    25mm galv conduit deta brand from tlc keeps bending with a flat back and wrinkles ?

    Iv used this bender for allot of 20mm galv jobs and its worked fine. Im currently doing a job that involves 25mm galv conduit so iv changed the former and steppes up the roller and arm into the appropriate holes. Every bend i do the conduit keeps showing small wrinkles at the start of the bend...
  17. 123

    Domestic - What do you normally use?

    If doing a domestic rewire, refurb or additions - what do you normally use to protect the cable?
  18. DavidSpark

    Steel conduit - tips and tricks?

    Hello! Got a few jobs on the way that involve large amounts of conduit work. All surface mounted and will mostly be mounted externally around the building. I was just wondering if anyone has any good tips, tricks or good points to think about when doing it to be quicker and more efficient...
  19. F

    Domestic Advice for outdoor conduit and spare cable storage

    Hi all, I'm looking to install three IP cameras around my house and I already have CAT6 cable run from inside the house to three points on the outside of the house near where I plan to put the cameras. I only need to run the CAT6 cable to the camera locations as it will be used for data and...
  20. S

    Installing garden spike light

    Hi I’ve bought a 230v garden spike light from Screwfix, and it comes with 5 metres of HO5RN-F 3 core flex pre installed. There is already some garden lighting installed outside. I’d like to install it in the garden, but the flex would have to run along the ground for about 2 metres before it...
  21. Jason Philip

    Metal conduit straps

    Anyone know if there is a conduit strap available in UK market similar to this one: One Hole EMT Conduit Strap, Steel, 1/2 in. | Garvin Industries - https://www.garvinindustries.com/hanging-and-support/cable-conduit-surface-mount/emt-one-hole-straps/ohs-50 I'm thinking for 20/25mm pvc conduit...
  22. Gary Tollison

    Conduit through brick wall

    hello. Dejavu for some folk, but here’s the scenario: My house is two-storey brick, my shed is 10’x3’ (odd size I know, but the back yard is small) made entirely of wood, no metal at all. The gap between the house wall and shed is 300-400mm. At present there is no power to the shed, so I have...
  23. K

    20mm conduit needed f

    hi all I am looking for some mild steel 20mm conduit but I need it to be non galvanised, does anybody know where I could buy this from or even if you can. I will be threading the conduit to fit a 20mm lamp holder on the end. Any help would be great. Thanks
  24. J

    Conduit die set recommendations

    Hello, Can anyone recommend a good quality 20/25mm conduit die set? After looking online prices seem to vary quite dramatically. I Want something solid that will serve me for many years to come, Thanks Judd
  25. G

    Threading Conduit Problem

    Evening, Wondering if anyone knows where I can source an Imperial Die with a suitable ratchet crimper for a specialist job we need to do. I have sourced the below but after a bit of research and measuring Im pretty sure the conduit we need to thread is 5/8. Afterwards we can put on a 5/8...
  26. Gary Tollison

    Domestic lighting in conduit

    Hello I want to move a lightswitch down the wall in my kitchen to the minimum 1.2m above the floor. On inspection, I discovered the existing wiring not in conduit, but rather having been plastered/mortared over. The house wiring is pre-2006, but the extension to the lighting is harmonised...
  27. J

    32mm Black PVC Conduit & Terminal Boxes Stockist West Midlands.

    Hi All Firstly, Wishing you everyone a Happy, Healthy & Prosperous New Year. Can someone please advise me where I can purchase 32mm Black PVC conduit, saddles/clips and round terminal boxes, with rubber gaskets, as opposed to rectangular/square terminal boxes, ideally in the Birmingham/West...
  28. Gavin John Hyde

    What do college courses teach these days?

    Been helping a friend put some conduit up today to run cat5e and phone cable down to the shed/office in his garden. His son is doing a plumbing course at college and was keen to help with the conduit and bending, His method of putting an off set into the conduit was to get a butane torch and...
  29. D

    Mains distribution upgrade work, 3 phase,old isolators, steel conduit & trunking providing CPC

    Hello everyone I'm picking up some remedial works from an EICR fail in a commercial property. Its a 3 phase supply with old steel conduits , trunking & coupled metal equipment, that provides the earth to the various locations. At present the earthing is insufficient, every earth in the...
  30. marconi


    I am heading off next week to visit my parents (84 and 83). They live in a nicely decorated and carpeted 3 bed semi with original wiring from 1965. I noticed last time I visited they have the dreaded green goo in the 7/029 wiring. The 1/044 lighting does not have it. They only have one or...
  31. B

    Burying Galvanised Steel Conduit

    I was wondering if any of you have any experience burying galvanised steel conduit? My current plan is to make up the conduit, T-Wash it and give it a couple of coats of primer and hammerite before I sink it in the ground but I'm wondering if it will be enough? My Father has suggested covering...
  32. H

    Best way to bend 25mm PVC conduit?

    From time to time, I have a need to put a fairly gentle bend into 25mm PVC conduit. Past attempts to do this using nothing but a bending spring (originally bought for 22mm copper pipe) were not successful. I found that I could do the job if I warmed up the conduit with a heat gun, but have never...
  33. L

    Bonding of conduit in kitchen floor

    Bit of a debate today, advice please as regs book not possible to get in my hands until tomorrow. New job, apartments, in the kitchen there are 2 x 25mm conduits from an external wall to an island within the kitchen that is free standing, to be able to get the hob supply across and lighting with...
  34. drzsta

    Alternative to generic BS4568 conduit

    Is there any reason why I couldn't install heavy gauge black malleable pipe to bs1387 instead of generic electric conduit to BS4568 where greater impact resistance is required? Assuming of course the pipe was identified as such.
  35. Strima

    CSA and resistance of 20 & 25mm Steel Conduit

    Can anyone point me in the right direction to find out the CSA and resistance of 20 & 25mm steel conduit? It's for part of my 2396 project where I'm using the conduit as CPC, I'm happy enough with the calculations I just need some numbers to work with. I've tried various manufacturers websites...
  36. J

    tapping into conduit wiring with no singles cpc

    Afternoon guys Got a job my builder wants me to do in nice block of flats up town solid concrete ceilings/walls/floors unfortunately! lighting is just staying as is- but them want extra sockets added and a new 5amp socket circuit for lights the existing sockets are wired in single in tube in...
  37. Emmett Jenner

    finding fault in metal underground conduit

    hi there, first post on here. I've got a shed in my garden which I connected to one of the feeds to a wall socket in the house. I hooked it up in June and it worked fine until about a week ago. The power went off in the house. I turned it back on again. About a week after that it went...
  38. Adie moore

    conduit sizing question

    I'm using some conduit on a job and I feel like I'm going round in circles. when deciding what size conduit is required I can't find anything in the byb, just things similar to the link below. and am I right in thinking this is purely a guide as to what can be pulled in easily? the only other...
  39. EMMEC

    brand new non used 20/25mm conduit bender

    for sale bender as at link EL25 Steel Conduit Bender 20-25mm -...
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