swa

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  1. G

    Swa earthing

    Hi all hope everyone is keeping ok under the current circumstances, I've got a 6mm swa to my garage cu, its glanded to plastic cu but no earth to armoured if I put a banjo on to it and crimp a cpc to banjo what size cpc cable do I need to use ? Still learning so any advice appreciated, Also no...
  2. J

    Help with swa armouring as suitability as c.p.c

    Hello all Am trying to calculate suitability of using swa armouring as c.p.c. It is a 6mm 2c supplying a log cabin. From table 54.7 the calculation I need to use to find min csa of armouring is (k1/k2) x S Taking value from table 43.1 for 90c cable I have k1 = 100 and K2 = 46 (Table 54.4) So...
  3. A

    UK is twin and eath aloud in hot tub installs

    hi, just a quick question for installing a 32 amp hot tub a friend told me it HAS to be in SWA but I have seen lots of 32 amp tubs installed with 6mm twin and earth in conduit, Is he correct? and is there anything in regulations not allowing me to use twin and earth in conduit? many thanks
  4. N

    SWA cable between light fittings

    Hi All. I am having my house rendered soon, before that I want to put cabling in for around 6 wall lights around the outside of the house (something like those GU10 up and down lights you see so often), obviously I want the cable hidden beneath the render however the cable won't go in...
  5. G

    Reg number for glanding SWA

    Hi! Carried out an EICR and found the SWA supply to the garage wasn't glanded at either end. Can someone tell me what regs number it is that states it should be? Thanks 1585217228 Ok so after looking further I may have answered my own question! I would say this comes under 526.1? Correct me...
  6. J

    SWA termination into WISKA boxes

    Do the item number 'EC308' WISKA earthing kits fit into the WISKA combi 208 boxes (10109571)? I've only ever used them in 308 junction boxes thank you very much in advanced
  7. A

    Swa earth nuts

    Hi all, has anyone used these and are they worth it? Quite expensive but if they save time. I have a 2.5 swa run 50m down a garden to feed a socket, light and roller gate. I'm think of using these where I come in and out of the plastic socket amd plastic enclosures to bridge instead of...
  8. O

    Using SWA for tails.

    Hi everyone, Just been on a new build (one off build not cookie cutter), original sparks left some SWA for a car charger and electric gate that I have been working on, I have signed off these two new circuits. The tails have been taken from a DNO supplied main switch, TN-CS with 100A fuse. He...
  9. N

    Swa cabling above ground

    I am volunteering at a disabled riding school charity and have been been donated a hay steamer that we want to get running. However, the quote we have been given to upgrade the wiring to support it exceeds our funds. I'm trying to find a cheaper way to do it by avoiding changing existing wiring...
  10. P

    50mm swa disitribution advice

    Hi all, After some advice. i have a run of 50mm 4 core on a farm to reinstate some GP buildings. 100A feed, with fused disconnect at the origin. in its run it needs to be intersected to feed a small existing 3phase board just for some lightingin a tractor shed. my thoughts are use a non...
  11. H

    Hot SWA gland

    I have a hot SWA Gland on a 11kV cable. The cable has a SWA Gland on each end. I was under the belief that this would create a current circuit. There is 3 trefols running in parallel. Any suggestions
    • HEARDY
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    • Replies: 17
    • Forum: UK Electrical Forum
  12. 1Justin

    slim 6mm SWA Y joint for bollards?

    Terminating 2 x 6mm swa into 1.5mm H07 flex inside lighting pillars. Many of them.. Max probably 85mm dia. Wiska 308 too big, Wago capsule too big, Galv trouser boxes too small. Nothing seems to be suitable. Am thinking of making my own with 82 dia solvent weld tube. - Know of any commercial...
  13. G

    Splitting 25mm meter tails to SWA and 25mm tails

    Hi All, I need to split the meter tails to supply a second CU which will be at the rear of the house, however the supply to the second CU will need to be in SWA and I can only split the tails at the meter cupboard. Is there a suitable adaptable box or isolator I could use to be able to do...
  14. M

    Terminating SWA into DB

    Morning. I have been asked to finish a job to connect a 1.5mm SWA cable into a DB which feeds a post to power some security cameras. The SWA cable enters the building and into some metal trunking. The trunking butts up to the DB and there is a large entry hole into the DB through which the...
  15. P

    SWA cable calculations!!

    Ive been asked to confirm the maxium possible supply for an existing SWA sub main and I know im doing something wrong with my cable calculations. Its a 10mm 3 core SWA currently on a b40 on a split load boad but its about 120m run ( direct burial) and they want to run an airsource heat pump...
  16. Mark42

    Augmentation of existing submain. Complicated layout. Advice please!

    Apologies for the complexity of this question, but there’s no easy way to explain it. This is a remote Norfolk house and workshops, developed over 30 years. Due to diversification, building B on the plan needs more power than originally expected, and building D is a recent addition. I’d...
  17. C

    SWA Cable Tracing

    I have multiple large looms of various cables that I need to trace. These are various services including power, fibre, copper, other 'unknown' cables etc... I want to be able to trace a single cable using the SWA. I want to remove a section of the outer sheathing and put a tone on the SWA and do...
  18. Vortigern

    SWA supply cables between buildings will not disconnect in required time

    Doing calcs on swa supply to building as sub main from main three phase squard D board for single phase supply off of TN-S supply. I used cable mate from jarsoft and looked up various tables for disconnection times. In all case scenarios it tells me it will not disconnect within the required...
  19. G

    Incorrect SWA glanding/bonding

    Hi all, I've just moved into a rented property and found the attached photo outside the conservatory. It spurs from an inside socket and goes down the garden to an outhouse. I've tried using the 18th edition to find some evidence that this is obviously the incorrect method, as I'd like to go...
  20. GBDamo

    2.5mm or 4mm SWA armour bonding

    Armour not CPC. By the letter of the regs 2.5mm is acceptable as the DB offers both mehanical and corrosion protection. Just seems a bit puny on a 10mm SWA, what about a much larger cable? Can some of the boffins explain why 2.5mm is deemed acceptable. Cheers

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