swa

  1. S

    SWA earthing

    I’ve seen debate in the past on here about whether to earth both ends of SWA at the glands even when using 3 core with a core as the cpc. My question is: If I gland the load end and earth the banjo there, then gland the supply end but run the 3 cores straight through the building skin so there...
  2. C

    Terminating various Swa into Main Panel Board

    Installing panel board,swa’s from 70mm to 16mm,all sub mains,using extension cableways,but struggling to terminate in the top areas,anyone know a better way,than steel trunking across the top of board.
  3. C

    Swa torpedo joint oh my

    Just wondering any of you guys had trouble with some of the ridiculously small joints they give you. celepack, 16mm 4c,70 mm 4c,Swa underground kits. Struggled today on the 70mm,fitted a bigger one for 120 +,
  4. L

    SWA gland earthing

    Hi all, Just having a chat with a customer who we do regular maintenance work for. They have had an extension and got another company in to do the electrics due to us not having the time. The main reason for the post is the installer has used self tapping screws on all the swa glands. Is there...
  5. G

    Insulation on swa in a board

    Hi gents Whilst I am qualified as an electrician I am a maintenance engineer so don't do much installation work hence seeking advice here. I recently installed a new 3ph distribution board for a new machine. As I don't have my testing and inspection ticket another person did the minor works for...
  6. happyhippydad

    Can I use the sheath of the SWA as the CPC in this example?

    Morning.. I have a garage fed by 4mm, 2 core SWA. It is a 25m run from the CU. Can I use the armour as the CPC? The Main house is TT. I have always used 3 core so have not come across this before. i am about to check my notes as I know I have information on this and will find the formula to...
  7. T

    How to work out the total design load to find my swa cable size

    Hi all I am having trouble trying to work out the total load and swa cable size. I have 10 circuits in a outhouse 40 meters from the mains power supply 1 x lighting with 10 lights, 1 x lighting with 10 lights. 1 x 2.5mm radial for 2 heaters, 1 x 2.5mm radial for heater. 3 x 2.5mm socket rings...
  8. EViS

    SWA Into Back Of Consumer Unit?

    We've got a new build with all the T&E, earths and 25mm SWA coming through one 60mm cutout in a stud wall. What's the neatest way of terminating the SWA? I'm not convinced that a gland with the earth tag and nut 'floating' loose within the CU, and the 'tails' then running as usual is going to...
  9. J

    Fire proof clips / cleats for SWA

    I need to do a horizontal run of SWA in a garage, first time doing it to 18th. Any suggestions / recommendations for fireproof clips for SWA?
  10. Martyn Campbell

    Domestic Wiring to Garage under floorboards SWA Required?

    Hi, My Garage is attached to my house and currently there is a standard 3 core cable running from my consumer in there. I have just had my consumer upgraded/replaced and starting renovations on the bedroom directly next to the garage so would like to replace the cable as well. As the cable...
  11. D

    2.5mm 2-core SWA for EV point?

    As the charging point must be outside the DB equipotential zone (separate earthing rod), are people using 2-core SWA for EV points and eathing via the armour?
  12. B

    Wiring In a Shed, advice needed on SWA route

    Hi All, I have a couple of questions regarding running SWA cable between the Internal House CU and The Shed New CU. The shed is basically being used as a home office and as such has a 6A lighting circuit and 16A Circuit for Socket outlets. Will be running a couple of computers and Monitors...
  13. ELECNEWT

    SWA CLEATS IN WOODEN GARDEN SHED

    Is there any requirement or logic to using fire-retardant cable cleats for SWA inside a wooden shed? There will be a 2 metre vertical run and a 3 metre horizontal run of 4mm 3 core SWA.
  14. Barnaby Stedman

    SWA - too short!!!!!!!!!!!!!!!!!

    been working on site today - came across someones bad calculations - there is 6mm swa in a ducting underground and it only comes out of the ducting at one end! i managed to dig down to the ducting and found the other end buried underground. So what is the best way of connecting two pieces of...
  15. Baddegg

    10mm swa to 10mm t&e....

    Need to join 10mm swa (2 core) to 10mm T&E within a wiska box.....
  16. SparkieMarky

    Termination of SWA into new style flush Consumer Units

    Does anyone have any thoughts on the best way to terminate an SWA into the new style flush CUs such as Hager's, BG's etc.? I ask as all seem to either employ oval or square knockouts, which is great for the surface boards when using truncking etc. but no great if you are trying to comply with...
  17. D

    Terminate SWA in Wiska or straight to Garage CU

    Hello all, I wanted to know the best approach of connecting to a Garage CU. Currently planning a small wiring project that i want to do in a few months time, when cash and time allows. My plan is to do the work myself and go through the proper channels of notifying the work to the local...
  18. O

    Domestic New SWA 3core cable 2.5mm2

    Hello, free Electrical Advice please. Before I call a sparkie to upgrade my consumer unit I thought I would bring my outside power up to date. I have a twin+earth 6.0m2 under my floor, running outside to my shed and into a 2 way consumer unit, lights and power. As far as I can remember this was...
  19. G

    Volt drop Question SWA

    Hello All, I’ve been asked to install a cable 170m in SWA, this is to be pulled through ducting. The cable is straight from the meter to an isolator in a beach hut. As the property is so small with little electrical appliances, I have accounted for 45A max current and deduced a 35mm2 SWA. Is...
  20. Fitzy

    Domestic SWA outer armour not earthed at either end.

    A friend at work asked me to take a look at the electrics in his shed, RCD would occasionally trip out, turned out to be a very loose neutral going in to the RCD. One thing I did notice though was that the 10MM2 SWA entered through the back entry point of both the shed & house CU and neither...
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