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size

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  1. B

    UFH thermostat feed what size cable?

    Hi all. I’m just planning out my electrics before boarding the new en suite. Can someone verify. Should a fused spur come directly from a socket or can I break in to a single cable using a Wago box? Also is 2.5mm2 cable ok to the thermostat? I’m not making the connections, I will be employing...
  2. C

    Choosing the right size cable

    Hope someone can clear something up for me. I've been selecting cable recently to wire up industrial machinery for test purposes only. I usually purchase H07RN-F or H07BN4-F. My boss has informed me that the cable needs to have a current carrying capacity to match the supply it's being being...
  3. Baddegg

    Joining different size cable.....

    As per title, went to look at kitchen rewire this evening, no probs all straight forward, as I’m about to the leave lady says while you here I keep getting shocked from this wall when I washed it down? Turns out someone has extended old 4 mm stranded cooker circuit with 2.5 and put a double...
  4. J

    Oven and hob cable size and isolating switches

    Thanks for adding me to the forum. I have done quite a bit of electrical work around the house adding sockets, and at our current house I put in some new ring mains and lighting circuits, all subject to third party certification and with the new consumer unit installed by a qualified...
  5. R

    mcb and cable size help

    Hello all I've just developed a wiring fault on the only ring main, after spending a few days attempting to find it and being pretty appalled by my findings. I have decided to re-wire the house. I have just spent all my spare money on a cruise so I guess I will have to get "Me sen ltd" to do...
  6. A

    Induction hob butyl cable size

    I am installing an induction hob to a dedicated 32a supply. The hob is rated at 20a. From the hob I am going to use a heat resistant butyl 3 core cable. The 2.5mm cable is rated at 24a, this seems a bit light to me, do you think I should use 4mm which is rated at 35a or will the 2.5mm be ok...
  7. A

    Commando Socket Cable Size

    Hi I Don't Touch Industrial / Commercial Electrics As I've Never Worked On The Stuff! … I Have Asked A Electrician That Does Work In This Sector (Of Who I've Never Used Before) To Wire In 2x Commando Sockets For A Customer I Have... My Question Is Are The Cable Sizes / Breakers Adequate For...
  8. L

    Meanwell 12v 350w enclosed unit/What size flex

    Hi Guys & Girls, i have an enclosed Meanwell LRS-350 12V switching power supply and to get it up and running ,3 core flex has to be connected direct to the unit{bare wire} and the other end a 3 pin uk mains plug. So my question is as follows what size 3 core flex should i use to connect it all...
  9. B

    Oil Boiler cable size

    hi all, just after a bit of advice have had a oil boiler fitted in a outhouse the company also wired it up. They took a 3amp fused spur off the the immersion spur ran 1.5mm 4 core 14 meters to outside junction box 3 meters of armored cable to another junction box then 5 meters in the out house...
  10. L

    Size of this cable. Main cutout

    Is there a certain cable size which enters into the house into the main cut out? Or what are the most common? Can you tell me the size of the cable in photo. Thanks
  11. Adam_92

    1.5mm2 fp200 cpc size?

    probably a daft question to most of you, but in an 1.5mm fp200 is the cpc the same size or is it 1mm because my supervisor has told me it is the same as t&e but I’m pretty sure it is the same size :/ I’m trying to find it in the on-site guide.. Thanks Adam.
  12. D

    confirmation of earthing conductor size

    Hi Guys just a quick question but what the hell do I put in confirmation of earthing conductor size when the earth is the swa
  13. C

    Calculating the correct cpc size

    Good evening all, Some help with following would be much appreciated. A 20 Amp rcbo in a CU supplies an adaptable box on the outside wall of a house via 2.5mm2 T & E. From the adapatable box a short lenght of SWA supplies a couple of sockets and light in a shed. My question is does the 1.5mm2...
  14. G

    What size Fuses do I require?

    Hi, I have a three phase switch fuse supplying a 16A socket. In the specification provided it states the following: Design Current - 16A Main Protective Device 20A The circuit is fed from a C20 MCCB at the distribution board. What size of fuses should I be putting in the switch fuse? 16A...
  15. A

    Calculating Cable Size for Ring Circuit

    Hi All, I'm needing to calculate the cable size for a long ring main. Cable type will be SWA/LSF. The ring is feeding 5no Twin Sockets, on a 32A Type B RCBO, kicker is the length out and back is 300m. Using cable calculation tools can i half the length, 150m, half the current, 16A and allow 20%...
  16. R

    Size of inverter to run freezer ?

    I have a 240v freezer that is rated at 75w I want to run from my 12 v battery bank ( solar ) can anyone tell me what size watts inverter I will need to handle the surge on starting it up, and running it ? And do basic no frills fridge compressors require any particular sine wave to run ?
  17. P

    SWA size. 6mm ok or 10mm needed?

    Hi guys, any advice on what size of SWA should be burried for garage? Will be aprrox 15m long. Garage will have 6A lighting circuit 20A socket circuit and 32A power socket. Idealy 2core SWA as only one phase needed. IS 6mm ok or 10mm needed? THX.
  18. Les Macaulay

    Unusual cable size entered in a PIR

    While looking over a PIR for a domestic flat, the approved electrician has entered for the Cooker circuit a cable size of 10sqmm but has scored thro this and entered 8sqmm. For the shower circuit he has entered a cable size of 8sqmm (no score out). So he must have intended a size of 8sqmm, but...
  19. C

    protective bonding conductor size

    Hi guys, I've questioned something at my workplace and after receiving my answer I'm not overly convinced and would like some other experienced gods to chime in :) On a new install in an existing property today I went to bond the Water and noticed it was already done, clearly many moons ago...
  20. C

    info of cable size i found out

    https://www.dungannonelectrical.co.uk/dun1-shop/pdf/cable/SWA.pdf the above link is for the manufacturer SWA cable installed on a PME exported into a second building using a 50mm twin SWA where there is main bonding to water pipes in place at 10mm. the cable is 50mm 6943X 50 which is 74mm...

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