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copper

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  1. W

    eicr flats bonding situation

    I am undertaking an eicr on 20 odd blocks of flats and would like people's opinion on this set up The blocks are separated be about 30-40 meters apart, each in a typical square shape with stairs in the centre Have external stairwell areas only, a ground floor and 2 other storys on top, each...
  2. P

    Circuit design - SWA R1+R2

    Hi all This has got me thinking. I am designing a circuit using 3 core 2.5mm SWA and using table 11 in the OSG on page 182. With an R1 of 2.5mm and the same for R2 I know what the milli ohms per metre is. That's all well and good but I also know from experience that when uisng the armour as an...
  3. Jay Sparks

    Trunking or seperate cpc???????

    Hi Guy & Gals, So, I was reading a very interesting thread earlier where the OP was asking whether to use SWA or singles in trunking/containment for a supply to a sub main. The responses the OP got were different to say the least!!!!!!! Anyway, some were saying SWA and some were saying singles...
  4. J

    ali/tinned copper twin and earth

    Hi guys. Is it ok to spur off a old socket that's wired in the old twin/earth cable its either tinned copper (conductors and earth is sranded) or aliminium as iv heard metals can react with one another.thanks
  5. W

    Diversity calcs - need more copper my way, cant do the maths.....

    Alright there lads, Its been a little while since my last post ive been AWOL somewhat and been involved in other business. But now i have returned to the world of ball ache and once again, in need of some advice. I hope you are all well. i need to spend some time over the next few days trying...
  6. B

    Copper Surface Trunking

    Hi i have an old stone cottage. I need to do some surface re-wiring but I do not like plastic trunking. Could I use copper piping for the wires as I feel this would make a good feature. Would this be safe.?
  7. Amp David

    Antique ceiling rose and pendant

    Looked at a job today in an old house. Customer want to do away with the standard white rose and pendant and for something more in keeping with the house. I've seen old style switches advertised before but can't for the life of me remember. Anyone else fitted these before?
  8. B

    shower cable, copper pipe

    Evening Gents, I am going to do a homer with a plumber next week, the job involves putting in a new shower circuit. Got a "curveball" scenario thrown at me and it got me wondering. the shower pipes are to be mounted externally down the wall, consisting of a copper pipe or the water, and...
  9. Dan

    Do you strip your copper wires?

    Do you strip your copper wires? Answer in the Poll please. :) Checkout Copperwire Stripper, our new forum sponsor, to see what solutions they have for you.
  10. Dan

    Copper Wire Stripper - Don't Scrap It - Strip It!

    Copper Wire Stripper are now Sponsoring electriciansforums.net. A bunch of videos can be found here: Video A big thanks from me. :)
  11. C

    used copper wire cable cutter

    cuts up to 50mm on hydraulics £190.00 ex demo call me on 07872102395
  12. A

    Standed tinned copper 2.5 T&E: How old?

    I have recently found some stranded, tinned copper 2.5 T&E on a few inspections that I have been carrying out. As the form asks for the estimated age of the installation, I was wondering if anybody knows when this kind of cable was last widely in use. Thanks chaps
  13. M

    running cable near copper pipes

    I have to run some 6mm cable behind some copper pipes to a cooker switch and socket on the wall. Obviously I can't chase it into the wall behind the pipes, so is it acceptable to put an extra piece of cable sheath between the cable and the copper pipes to protect the cable? Thanks.
  14. P

    Scrap price for copper

    Does anybody know the the latest price for scrap copper....
  15. G

    Copper covered Ali

    Hello all, can copper covered Aluminium T&E and the modern copper equivalent (ie 2.5mm) be mixed in a final ring circuit? Thanks, John.
  16. R

    Copper Theif Turned Into Fireball

    News today in the papers around are way in Leicester. 2 chaps come a cropper trying to steal 11kv copper cables from a substation, managed to get away with their lives. What makes me laugh is supposedly 1 of them was an electrician so thought he knew what to do!! Turned to Herion and a life of...
  17. imago

    Assessment on Friday.

    I've opted for the ever popular CU change at home for my assessment Friday. So I started with a Wylex rat's nest, changed it for a nice Hager which should do the job. Then blood sweat and tears getting the gas bonding through, during which I discovered some 'alternative' junction boxes under the...
  18. R

    Scrap 3 Phase Motors

    I have a few knackered 3 phase motors in my garage, anyone know what the going rate per kilo is for them at the scrappers?
  19. H

    Lead sheathed copper

    How much is this stuff worth per kilo
  20. Had8Lives

    Galvanised Conduit screws

    Hi, Anyone know where you can buy M4 Galvanized screws for conduit box lids? Brass ones rust outside.

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