steel conduit

steel conduit

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  1. J

    Connecting 1930s steel conduit to new CU

    Has anyone got experience terminating steel conduit from 1935 (so likely imperial measurements) into a new metal enclosure? This was the work of the previous electrician to touch the board and I'd like to get a far better fixing this time around. No chance of a re-wire and the IR readings are...
  2. S

    IR testing steel conduit on 1st fix?

    Hi everyone, I'm nearly on my AM2 test and really enjoy the industrial side of things so I thought I'd learn by asking. I recently came across this note about IR testing PRIOR to connection? Can someone just explain how you would test if there was steel conduit and the earthing arrangement...
  3. S

    Insulation Resistance Testing Am2 - requires to be tested twice

    Hi, I'm a little confused confused is someone can shine some light on the amendment 2 way of doing IR. I know you have to do one 1st fix at 500V DC and then final one at 250V DC when all cables. What I'm confused about is GN3 states: "...sometimes these cables are terminated without further...
  4. S

    Would T&E be approved for use in steel conduit and outdoors?

    Hi, My first post so hopefully I am correct in posting it here. My question is, I am thinking of an IP rated outdoor socket for the back garden. I have drilled out to the exterior and now wish to move the socket 1 meter away from where the hole is. I would say use of steel conduit would be...
  5. B

    Solar Flexible steel conduit as mechanical protection

    Hello I’m new to the forum (posting on it anyway). I could do with some advice... Over the last 2 years I have been subcontracted (labour only) to commission solar PV systems. Often these are newbuild properties and when I get there the panels are already on and the DC cabling done. About...
  6. J

    Bonding steel conduit around plastic switch

    Any recommendations? I have 25mm steel conduit going into 20mm reducers feeding a plastic time guard switch and then returning to steel conduit again on the other side. An earthing nut is too chunky. I think I need those smaller flat brass plates you get on SWA cables. 1588093418 Found them -...
  7. S

    25mm steel conduit fittings

    Hi guys, Bored at home, so making a bench using old conduit I ripped out. Trying to use as much recycled as possible and was wondering if anyone had anything lying about. Looking for 8 x dome covers and 8 x tee’s, inspection or solid. All 25mm. Will pay postage ofc. cheers
  8. J

    Steel conduit in tight spaces

    I need to run a length of steel conduit. One end it will connect into a standard 25mm BESA box, on the other end, it will go into a sharp elbow. The conduit has to thread through a hole in the floor that is very close to the wall. If I thread the conduit through the hole and then place either...
  9. T

    Persons experienced in steel conduit

    Good afternoon one and all Does anyone in the Dorset area have good experience with steel conduit? If so please could I pick your brains on a few things?
  10. N

    Steel conduits acceptable for earthing in domestic property ?

    Evening Just been to quote for a consumer unit upgrade. Found that the board was from circa 1960 and wiring looked original also. No alterations have been made with exception of a few faceplates renewed in the kitchen. Red and black single cores going into an adaptable box at the back and...
  11. 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...
  12. 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.
  13. Q

    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...
  14. Jay89

    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.
  15. 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...
  16. 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...
  17. 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...
  18. 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...
  19. Rocboni

    Serrated washers on steel conduit

    Whats the opinion in serrated washers with galv steel conduit? I was always taught at college to have one in between coupler and accessory and coupler and trunking, wether being used as the cpc or a separate cpc. I was at a job today where they are installing a trunking/conduit system but are...
  20. E

    Testing steel conduit

    First time i have worked with steel conduit as a cpc and wondering how to get a decent R2 test. The back boxes are showing signs of corrosion and so is the conduit where it is exposed so would like to test to see if i'll need to add a cpc to the circuits. I have a kewtech 65dl tester and...

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