twin

  1. G

    Brown/Brown twin and earth.

    Looks very professional when used for switch drops but... And I am braced for impact.. :eek: How do you know which is feed and return? Installed a 12 gang grid switch and used Brown/Brown and when wiring up the switches was wondering if there is a trick to knowing which is which. Was a bit...
    • GBDamo
    • Thread
    • and earth earth twin twin and earth
    • Replies: 64
    • Forum: UK Electrical Forum
  2. P

    Twin and earth used as meter tails

    So i went to a job and i came across this the house is 19yrs old and apparently this is how it was when they moved in from when it was built its the twin and earth that runs to the consumer unit I am looking at there is some 10mm earth to the gas meter that has been fitted at a later date.
  3. C

    Twin and Earth CPC

    IEC 60364-5-54 states that phase conductors 16mm2 and smaller require a CPC of the same size, over 16 to 35mm2 a 16mm2 CPC and over 35mm2 a half size CPC is required. My questions is why am I seeing catalogs with harmonized twin and earth with reduced size CPCs over 2.5mm2? And why doesn't the...
  4. 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...
  5. 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
    • adam1852
    • Thread
    • friend hot tub installed installing installs question quick swa twin
    • Replies: 5
    • Forum: UK Electrical Forum
  6. M

    Anyone experienced in vent axia twin fans

    Hi all Went a job this morning to check out vent axia Gemini twin fan...the ducting type that sits in loft and takes air from loft and vents it into bathroom as far as I can tell by piping this is all that it does. I tested upto unit on both switch side from light and the permanent supply both...
  7. Zdb

    Twin & Earth CCC

    I've got a RFC that I need to split into two 20A radials. I've looked in the BBB but it doesn't state the current carrying capacity of twin and earth in surface mounted trunking (reference method B). I've had a little look online and I think that it might be 23A (before taking other derating...
  8. T

    3 core twin and earths

    Came accross a re wire were the sparks first fixing had used 3 core cables down to every switch baffled as to why on 1 ways etc supervisor called it smart wiring ? Anyome else come accross this ?
  9. W

    I want to join an 8mm flat twin cable to a 6mm round twin.

    I am looking to join 2 cables for an outside security light. The mains cable on the existing light is 8mm flat twin. But the new light is a 6mm round twin. I can't rewire as it goes into the wall to the socket. So was looking at an ip66 connection. But can't find one that does both sizes. Any...
  10. D

    Twin and earth in pipe...

    I have popped this in the video section but thought it might make an interesting debate Handyman Chris has fitted some nice pvc pipe for his cable but rather than use conventional singles has pulled in twin and earth. Which seems odd when you have gone to the effort of fitting conduit pipe...
    • Dustydazzler
    • Thread
    • and earth earth pipe twin twin and earth
    • Replies: 42
    • Forum: UK Electrical Forum
  11. S

    6kw appliance - 3phase warehouse 13A twin sockets

    Hi Lads, You might think i'm a di*k already from the forum title but I desperately need some help. I've got a small business and if I wasn't skint, i'd obviously have an electrician come to advise me. I added some kitchen equipment to the warehouse - most of the equipment can plug in to the...
  12. R

    Twin PIR on 1 lighting circuit with cut off switch

    Hi, Trying to plan for my single outside lighting circuit to be controlled by two PIR's. I've tried to draw it out (image below). My plan is that if the PIR switch is on and light switch is off, the lights will run with PIR. If the PIR switch is off, and the light switch is on, then lights...
  13. A032701

    How to connect SWA armour to 6mm Twin and Earth cable

    I have run 6mm t and e through the house from the db in the garage on a 32 amp mcb which is rcd protected. the 6 mm cable then goes into the back of an ip66 rated JB on the side of the house. i then intend to run 2 core (live and neutral) 6mm swa up to a workshop using the armour as earth. my...
    • A032701
    • Thread
    • 6mm and earth armour cable connect earth earthing how to swa twin twin and earth
    • Replies: 16
    • Forum: UK Electrical Forum
  14. K

    Using 7 Core Armoured as Twin and Earth ?

    My daughter has some 7 core armoured cable running to her garage which looks to be 1m2 or possible 1.5m2. It carries a 2-way external light switch connection to switch on 2 external lights ( house and garage) from either the house or the garage, and there is also a single 13amp socket connected...
  15. S

    Smc commodore twin pump

    Hi all I have the misfortune of correcting someome elses work I have two commodore pumps, one room st and one cylinder st plus a standard boiler... how do I connect them all together? I can get everything working but have no independant control over each zone....
  16. Gavin John Hyde

    twin and earth for water bonding?

    Been on a quote this morning to provide a new circuit for oven and hob in a kitchen, Customer says Cu changed about 2 years ago, they have been in house just a few months. Gas, CU and cutout all in recessed cupboards in kitchen; face value looks okay. then I see the wiring is poorly dressed and...
  17. oracle

    Cooker connected to unfused connection unit with 6mm twin and earth

    Today I found a free standing cooker connected with T&E cable. Since the cooker is bordered by cupboards it is regularly pulled forward about a metre for cleaning the unit and the floor beneath it. This forward movement extends the cable to full stretch while pushing it back makes it hang in a...
  18. Gavin John Hyde

    using Twin and Earth ourside and UV protection

    Wondering about T&E outside, not ideal we are told due to the UV rays overtime breaking down the outer sheath. Saying that I come across quite a bit when house bashing that has held up well and shown good IR tests. On a data sheet for some T&E I ordered was this little paragraph:- "Not suitable...
  19. S

    Is Wickes twin and earth any good or should I get Prysmian?

    It's for my house
  20. M

    Heating pump twin wiring

    Hi I have oil boiler and a wood stove, both are plumed in to the central heating system, when they first fitted there was a manual switch for the stove fed to the pump, and a feed from the boiler . So I could use the stove or the boiler the hear the radiators. When I got a new boiler fitted and...
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