2.5mm

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  1. O

    2.5mm in lighting circuit

    Is there anything in current regulations preventing the use of 2.5mm cable in domestic lighting circuits as it is usually 1.5mm.
  2. N

    2.5mm flex or 6mm t+e

    Changing to built in double fan oven. 45A cooker switch which is supplied with 6mm from 20A mcb . Double fan oven is rated at 4.1kw. 4100/230=17.82 Would the flex be ok as it can carry up to 25A and less than a metre be used. What do you guys suggest?
  3. N

    Cookers Hobs wired in 2.5mm flex

    Ok just wanted your opinion 2.5mm flex provided by the supplier on cookers and hobs , ive seen this twice and in my eye its wrong a hob of 7 kw and a slide in cooker of 7500 kw , it realy makes a mock of calculating cable sizes , ok if you take diversity into effect max current rating of flex is...
  4. kingeri

    Ring wired in 2.5mm and 4mm

    Being trying to sort out the sockets at a house this morning. A right mess, spurs off spurs everywhere. I have identified the ring itself and how it runs, but it seems it is partly wired in 2.5mm and partly in 4mm, seemingly at random. I know it's electrically sound, tested it and it's fine...
  5. N

    4mm Radial vs 2.5mm Ring

    Hi all, when undertaking a full rewire I have always installed a 2.5mm Ring Main for the sockets. I am considering switching to a 4mm Radial for easier testing (plus I don't like the idea of it being possible to unknowingly break a ring main and not know about it causing possible overloading)...
  6. D

    2.5MM Twin & Earth

    39.95 + Vat from cpc.co.uk Not a bad price at all!
  7. J

    Easiest way to protect 2.5mm spur off 32amp ring.

    Found a 2.5mm spur running of a ring (no rcd, 32 amp rewireable ). The spur supplies a outhouse with a CU (10amp and 5amp mcb) Due to layout cant get take spur directly from closer to the CU, or put in a separate circuit. Simplest seems to be to put in a 13amp fcu to protect the spur, however...
  8. Joe S

    What load can this 2.5mm T&E take???

    As above, I have a plumber who's changed the water heater on a finished garage annex that we've been doing. The original one was 1.2kw in a bathroom undersink unit. There is an electric rointe 750w towel rail aswell so I put the two on the same circuit to save ways in the new board. He now wants...
  9. kingeri

    1mm cpc in 2.5mm T&E

    Hi guys. When and for how long was 2.5mm T&E produced with a 1mm CPC? And why?? I'm at a house which uses this stuff (all with white sheath) all over the place. One ring circuit uses this for one leg but 2.5 with 1.5 for other leg.
  10. 2

    The integrity of 2.5mm "flex" vs. Twin & Earth

    Is there any rule, as per the regs, that states that flexible cable can or should not be joined with T&E for the purposes of extending? When I say "flex" of course I mean the stuff that you can twist the cores with your fingers vs T&E, which is a lot tougher and requires a tool, but is still...
  11. spud1

    Current carrying capacity of 2.5mm flexible cable

    Hi Guys if anyone has a regs book to hand please can you give me the current carrying capacity of 2.5mm flexible cable clipped direct, single phase.
    • spud1
    • Thread
    • 2.5mm aus cable capacity carrying current current carrying capacity electricians' talk flexible
    • Replies: 7
    • Forum: Australia
  12. D

    Can 2.5mm flex ever be wired to a socket?

    As per the title, really. When I say socket, I don't mean on a ring, I mean on the end of a flying lead.
    • Discharged
    • Thread
    • 2.5mm around aus cable don't electricians' talk flex socket wired
    • Replies: 24
    • Forum: Australia
  13. D

    Does a 3kw immersion heater demand 2.5mm cable?

    And if so, if a 30A relay is being used to switch power to the element, does the supply to the relay need to be 2.5mm as well?
    • Discharged
    • Thread
    • 2.5mm aus cable demand electricians' talk heater immersion immersion heater
    • Replies: 12
    • Forum: Australia
  14. Tuttle

    2.5mm earthing conductor from TN-S supply

    I found a nice easy second job for my Elecsa assessment. A mate wants an outside light fitting in his porch. He had a new consumer unit fitted last year, all circuits are RCBO protected, and he had a load of other work done at the same time. He's also had some other minor work done since then by...
  15. sythai

    Joining 10mm to 2.5mm T+E

    Another joining cable thread..... Just curious how you chaps would have done this ? 10mm ---> 2.5mm T+E, adaptable box will be permanently accessible after (re-using old shower supply) Sy:smug2:
    • sythai
    • Thread
    • 10mm 2.5mm aus electricians' talk joining
    • Replies: 9
    • Forum: Australia
  16. S

    2.5mm on 12V running warm - normal?

    I installed a replacement 300VA transformer, fitting a 2.5mm from secondary to junction box where it splits out, feeding 5 x 50w halogens. Cable run between the transformer and junction box is less than 18 inches. The casing of the transformer indicates 2.5mm - you'd struggle to get anything...
    • sparc
    • Thread
    • 12v 2.5mm aus electricians' talk normal running warm
    • Replies: 6
    • Forum: Australia
  17. S

    6mm becomes 2.5mm

    I'm changing a consumer unit- Circuitry in the house is bizarre - (e.g three double sockets in the kitchen each one on a different circuit , lighting in second extension on same circuit as the rest of the downstairs lighting but earthed via one of the ring mains)<br><br><br>One circuit was on a...
  18. S

    6mm becomes 2.5mm

    I'm changing a consumer unit- Circuitry in the house is bizarre - (e.g three double sockets in the kitchen each one on a different circuit , lighting in second extension on same circuit as the rest of the downstairs lighting but earthed via one of the ring mains) One circuit was on a 40A...
  19. S

    Old fine stranded cable size 2.5mm or 4mm?

    A while go i was asked to take a look at some sockets at the owner believed he had no CPCs in any of them (he did). The house was pretty old 1920s-30s. The cable was in in old red/black colours, outer diameter was larger than standard solid core 2.5/1.5mm but i would say smaller than 4mm, but...
    • SpannerSpark
    • Thread
    • 2.5mm aus cable cable size electricians' talk old size stranded
    • Replies: 4
    • Forum: Australia
  20. K

    electric cooker and hob spurred off a jb on 2.5mm t+e radial

    just been to see a job with a persistent tripping on breaker which consisted of electric cooker and hob totalling 8kw wired into a spur jb'd into a radial sockets on a 2.5mm t+e. i explained to client why the breaker was tripping and what needs to be done to bring it up to regs. there response...
    • kenny james
    • Thread
    • 2.5mm aus cooker electric electrical electricians' talk hob off radial spurred
    • Replies: 1
    • Forum: Australia
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