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trunking

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  1. C

    Is loose trunking C2 or C3

    I had an EICR done in 2014. Some loose trunking on a wire to the showers self isolator based on the wall was graded C3. In an EICR done this week the same trunking in the same condition was graded C2. This seems a bit over the top please advise
  2. Z

    Attaching trunking.

    Advice needed. I need to run an extra spur socket for someone in their kitchen. I will take the feed of an existing socket above the worktop and run it through some trunking under the worktop. Usually I screw the trunking to the surface using rawlplugs and screws, but on this occasion I have...
  3. A

    Screws for trunking lid

    Hi all, I was hoping to get some advice on which screws would be best for fixing the lid to some 50mm galv trunking. I am using Legrand trunking and they supply packs of turnbuckles but I am not sure they will be suitable for some smaller lengths of lid. I remember using self drilling screws...
  4. FatAlan

    Low profile metal trunking?

    Currently on a job which is a garage extension. I have lots of cabling dropping down to multi gang switches, sockets etc and a small DB. The ceiling is however a fire barrier. Does anyone make a low profile steel trunking that will butt neatly to a metal clad socket or small DB?
  5. D

    UK Are blue through crimps allowed on ring circuit.

    I'm a trainee electrician and I was working with a qualified electrician extending a 32A ring circuit and we were using 2.5mm single conductors (CPC was 2.5mm aswell) going through PVC conduit and then going through steel trucking. And to connect the old ring conductors with the new extended...
  6. T

    surface box multiple knockouts align with trunking advise

    Hi Guys, I have to fit an MK 3 way grid surface mount box below 3" metal trunking and require the use of all three knockouts on the top of the MK surface box. This needs to be repeated for a number of surface boxes. Cutting one hole in the trunking for a 20mm coupler and bushes is easy, but...
  7. littlespark

    Dado trunking

    I’ve got some Centaur dado trunking from years ago (2 1/2 lengths of it) from CEF. Got some lid for it, but not enough. Does other makes of trunking lids and boxes fit? I’m looking on eBay for cheap accessories rather than go back to CEF just for my own office.
  8. P

    Maximum spacing supports for metal trunking HELP

    Evening people, Was hoping someone could help me with this problem I'm having. I am writing up my portfolio NVQ and writing about installing metal trunking. On the OSG page 143 table D4, column number 1 list the trunking sizes by cross sectional area. The trunking I have used was 100mm x...
  9. P

    Need help on spacing supports for metal trunking please

    Evening people, my first time posting here. :D Apologies if it isn't in the right category. I am currently writing up my portfolio/NVQ for my apprenticeship and I am looking at table D4 in the OSG. Trying to find 100mm x 100mm metal trunking on column one but they are listed as cross sectional...
  10. R

    UK Twin and Earth in metal trunking

    Hi guys, I had to carry out some alterations to a domestic installation the other day and was pleasantly surprised when having to run a new circuit how neat the CU was. It had 75mm metal trunking installed to the CU with bass bushes installed. A lot of effort had gone in to it to keep it neat...
  11. P

    Plastic trunking over a door way

    The use of fire-resistant clips to avoid premature collapse of cables is obviously a good thing, but what about when the cables are in plastic (PVC-U) trunking that offers metal clips for this reason. The reason for asking is I am looking at some options just now (Marshall-Tufflex Mono Plus 20)...
  12. M

    Trunking size estimate ???

    Hi, does anyone think they know this size of this trunking just from the image. The conduit is 20mm. 1590221619 I believe it's schneider trunking.
  13. P

    Dado metal trunking

    Looking to put in some dado style trunking for a few power circuits and some Ethernet sockets, ideally metal type from a fire/EMC point of view. I had though of using the Marshall-Tufflex "System 130" (or maybe the bigger 170) steel system but wondered if the folks on here have any better...
  14. T

    Marking holes for steel trunking

    Hi, silly question but in College we only learned how to mark up holes for end caps. I’m just wondering what the standard practice is for marking holes in steel trunking for attaching couplers? The previous Electrician I was working with we used templates but there’s non on this site so i’m...
  15. D

    When did seperate earth's in trunking become fashionable?

    Next question on the date my install game. When did the practice of installing seperate cpcs in trunking become the norm? The 'original' part (the rewire when the VIR was replaced) of the install I am trying to establish an age for is entirely in enameled trunking which has been used as the...
  16. G

    What Code for this one?

    What code would you attach to this gem, I gave it C2. These terminals are contained within steel trunking but are also part of a live 3 phase cct. See picture. It is installed as a 100 Amp 3 phase ring with these terminals every few metres. Distribution boards are connected from these terminals...
  17. Midwest

    Securing cables & trunking to prevent premature collapse.

    Just wondering how your guys observe the reg, for preventing premature collapse of cables in plastic trunking, when securing to plasterboard, i.e. dry lined or plasterboard stud walls? We’re having some additional fire alarm work carried out, and they mention some ‘clips’ to comply. I was...
  18. J

    Unused conductors in trunking

    The client has decided that redundant circuits, created by us by decommissioning obsolete equipment, should be, in the first instance, removed completely. If this can be shown to be unsafe, cutting back a metre at each end would suffice. I seem to remember a regulation that unused conductors in...
  19. The apprentice

    earthing of steel trunking

    hi guys just bare with me please still learning lol! if i have connected my steel trunking to the metal frame work via bush and cuplin and and the steel frame is earthed and i can prove continuity from my trunking to the steel work do i still need to earth my steel trunking and also do i need...
  20. J

    Wagos in trunking

    Would it be against regulations to put wagos into some maxi trunking to extend cables for a board change?

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