swa

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  1. A

    Must the armoured outer sheath of SWA be earthed?

    I have a metal Hager sub CU, 10 way RCBO, installed in 2018 in an accessible attic space, this sub-CU being fed from another unit close to the meter. The two are connected with 10mm 3 core SWA: line, neutral and CPC. At the end close to the meter, the armoured cable metal sheathing is earthed...
  2. S

    Car Charger 6mm SWA cable Query - Loft Insulation

    Hi We recently had an 7kW EV charger installed. Due to the consumer unit being situation within the kitchen of our bungalow, the cable needed to be routed across the loft in order to end up next to the drive, The contract was with a well known brand, who has sub-contracted out the...
  3. timhoward

    Class 2 car park lights SWA badly installed

    I’m wavering a bit on this one. RCD then B10 breaker. 1.5 sq mm 3 core SWA. That runs underground in ducting, then up and feeds about 10 LED class 2 lights, with cable cleated to the wall, then under again in ducting and about 5 more lights with cable again cleated to the wall. Now the thing...
  4. S

    SWA outer sheath damage

    Have been asked to connect a SWA supply into a garage. The cable was ran in before I even knew about the job. No ducting as it enters the garage, been concrete poured round it as well. Then to top it off the joiner has fixed a stick to the concrete putting pressure on the cable. I’ve done IR &...
  5. D

    Swa earthing and coding

    Hi all, we have a much discussed topic. Swa and the earthing of the amounting through a fly lead. What your thoughts and how would you code an Swa cable, the amouring is the cpc and no fly lead been taken too the earth bar (the Swa been terminated into a metal container) So are saying code 3 as...
  6. T

    SWA Sub Main advice/comments

    Hi all, looking for a bit of advice and confirmation on my proposed plans for a SWA sub main to a ISO metal storage container. I've calculated the max demand in the ISO will be about 20A (300w of led lighting and 2 double sockets for chargers etc) It will be fed from a 3ph DB in another...
  7. K

    SWA Cable - Identification

    Hi All, I bought a 6mm SWA cable from CEF and realised the external diameter is 15.1mm however on the website it says the external diameter is 16.6mm? Have I been given an incorrect cable size? They are no markings on the armoured cable to state the size. I also purchased a 2.5mm SWA cable and...
  8. KeenPensioner

    Earthing SWA

    As an adult learner, I have lots of theory but not enough practical experience so I'm hoping I can get some help here (not abuse). I'm trying to get my head round earthing SWA to an outbuilding with no extraneous conductive parts. I understand the problems of exporting a PME supply etc. If I...
  9. M

    UK SWA Cable termination

    Hi All, Looking some advice. Had someone install a SWA cable to exterior outhouse. In the outhouse everything.looks.great, new consumer board and three double sockets all installed and looking good. My.concern is with how the SWA cable has been terminated at the main board in the house...
    • mjjm986
    • Thread
    • 10mm swa cable rcbo's swa termination
    • Replies: 111
    • Forum: UK Electrical Forum
  10. R

    Swa on top of fibre glass roof

    Hello all, was supposed to be running a bit of 6 mm swa along outside of building for a shed. My plan was just to clip it along wall above ground floor extension. Customer now wants me to just lay swa on top of fibre glass roof. They are saying they don’t want to see cable clipped to wall...
  11. A

    10mm² SWA to outhouse Advise needed Pls

    Hello Experts Need some advise please, due to getting conflicting information from electricians. Background info: 4 years ago done the whole house with an extention, new wiring and plumbing. The original builder left the job after 2 leaking roofs and a failed building inspection. Since then...
  12. S

    Running SWA on outside of building to feed part of internal ring

    Have come accross a job where house ring run in T/E but has an old extension with earthed metal conduit used for sockets and only live and neutral single cores (of which are both black here). The earth continuity is greater than 500 ohms and the live is faulty between 2 sockets and disconnected...
  13. Mark42

    Help with specifying a long 4-core SWA run please

    I need to augment the underground supply to remote workshops at my own house. I’m struggling to understand the practical implications of voltage drop, rather than using blind compliance with recommendations/tables/regulations which do not take account of individual circumstances. Here’s the...
  14. kenny maccuish

    SWA feeding fire panel

    Hi guys I have just done an Eicr and 1of my findings was that the fire alarm panel was fed by SWA and I am wondering if that needs replaced with fp200 or similar? Thanks in advance Kenny
  15. D

    Buried SWA cable fault finding

    Hi all, My first post here, thought I'd see if it was possible to get some advice or tips... Basically, I had a large amount of block paving and large concrete base laid at the far end (25m) of my garden a few months ago. Under this I had 3 core 16mm SWA laid. (I most definitely can't vouch...
    • danielz000
    • Thread
    • buried cable cable fault fault fault finding finding swa
    • Replies: 80
    • Forum: UK Electrical Forum
  16. happysteve

    3-core (rather than 2-core) SWA requirement for EV chargers...?

    Eh up :) A client (also a friend of mine) bought a new electric car, and it came with "free charger install" by Podpoint. As it's not a simple job getting power from the service head/DB (under the stairs, in the middle of the house, with solid floors) to the detached brick garage (approx 50m of...
  17. M

    Failed am2 on swa circuit?

    Hi all, I recently failed my installation of swa cable and TP&N socket outlet and not sure why. Passed the rest. Any advice, It says: -did not complete connections/terminations to industry standards -identification/labelling to the required standard.
  18. A

    Is 25mm 3 core swa good for earth and Bonding

    So me and a colleague were having a discussion about using 25mm 3 core swa as a live, neutral, earth and a Bonding conductor when relocating the position of the consumer unit, I suggested that using a 25mm 4 core as I can't see the 25mm earth being big enough for 16mm earth and 10mm bonding with...
    • allybally69
    • Thread
    • 25mm 3 core bonding core earth swa
    • Replies: 11
    • Forum: UK Electrical Forum
  19. J

    Who arethe top 3 SWA manufactures now adays please?

    As above, looking at getting some 70degree 5core 35mm SWA, for a predominantly inductive load with no PF correction - not necessarily after the cheapest. Experience of glanding, pulling in, robustness and performance, and pricing comments too please? Prysmian Nexans ? Will be buying via CEF...
  20. S

    Labelling an existing SWA cable

    Hi, I have renewed a 3 phase - 12 way distribution board and have labelled the board according with test sticker, warning sticker etc. I have also labelled the new board as per the previous label - DBPL1. Should I label the existing SWA cable as well with the same label - DBPL1 ? Does it...

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