carrying

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  1. rustynails

    Exceeding the current carrying capacity

    Current carrying capacity is a figure which is given to us by manufacturers, correct? Now, I've watched those videos of the guy trying to set fire to a piece of 1mm and it takes quite a bit more current to set a light. So for example, if you had a 9kw shower and a 9.5kw instantaneous unvented...
  2. T

    untrained/unskilled persons carrying out electrical work/repairs within a company

    Hi All I would like some opinions from fellow sparks,I work as a foreman electrician for a large Logistics company and I am part of the building maintenance team we have all trades in the team. Each depot has a what my Manager calls maintenance men ( I call them caretakers/Janitors), they carry...
    • thebassman
    • Thread
    • carrying company electric electrical electrical work led out persons within
    • Replies: 11
    • Forum: UK Electrical Forum
  3. J

    Pipes for carrying electrical cables underground dimensions?

    Hey, I'm doing a project and I was wondering what is the largest diameter pipe commonly used to carry electricity wires/ phone lines etc. is?
    • James Walshe
    • Thread
    • cables carrying electric electrical pipes underground
    • Replies: 7
    • Forum: UK Electrical Forum
  4. M

    current carrying capacity

    evening all working away with no regs etc anyone tell me cable size for 200a 3ph head feeding a 6way 3ph ryfield board singles direct from head to db approx. 1m long cheers
  5. V

    Current Carrying Capacity Cables

    Hello, I was just looking for some help with the above subject with looking up the tables for the various protective device and finding the values of C connected with CCCC. I was looking for the rating factor for a BS88 fuse and I found at least 2 different tables the difference being that there...
  6. S

    current carrying capacity

    dont have O.S.G with me can sombody tell me the ccc for 6mm t&e buried in walls (i think i remember its 47A ) am i right
  7. D

    Cable carrying cal

    Hi, looking through an EICR report and have a issue with the MDP. We have 4x240 - on a 1440 breaker 3x240 - on a 1250 breaker 2x240 - on a 630 breaker All cables are ducted within the ground. Am i right in thinking that there are breakers are over rated for the cable size. Just double...
  8. S

    rcd protection

    EICR tnc-s system ....lighting circuit ......cables buried less than 50mm ....not rcd protected....what code should i put (i think code 2... but could it be c3 (not compliant with current regs)
  9. T

    Cable Current carrying capacity

    Why is it that the tables in the Regs for Cable current carrying capacities vary so much from that of a cable manufacturers data sheet, for example a table in the Regs book states a 240mm 4 core XLPE Armoured cable buried will carry 324 amps, but a data sheet for a leading manufacturer states...
    • Tonkolili
    • Thread
    • cable capacity carrying current current carrying capacity
    • Replies: 4
    • Forum: UK Electrical Forum
  10. M

    current carrying capacity

    can anyone help please, I am testing a new installation for another contractor, lighting circuits are wired in 1.5mm pvc singles in 4inch metal trunking, protected by 16amp type c mcbs, is this overated considering correction factors applied? thanks
  11. G

    Cable Current Carrying Capacities

    Coming across this more often, situation, 200a bs88 main switch, feeding busbar above. 3 dbs next to busbar, all single phase, supply to these is 16mm tails off busbar. Now my issue is 16mm tails cannot take 200a,so C2. But on the previous EICR they said that because the db was less than 3...
  12. G

    current carrying capacity

    Any reason why 6x1.5 mm singles within 20mm plastic cinduit on surface shouldnt be used for a 3kw load. Length if run is about 6 metres. Fused a 13a via sf spur. Thanks
    • goldie
    • Thread
    • capacity carrying current current carrying capacity
    • Replies: 28
    • Forum: UK Electrical Forum
  13. G

    CAble Current Carrying Capacities

    Hi does any body have the cable current carrying capacity tables in a PDF format? Thanks
  14. I

    Current Carrying Capacity of cables with different voltages

    Does the current carrying capacity of cables change on what voltage your using?? 2.5mm can carry 27a at 230v would this be the same for 1000v could someone please explaain this whole process please Confused lol Grant p.s i'm a student :)
  15. M

    current carrying capacity

    Can anyone help me out with this? Need to find the max current carrying capacity for 4mm singles over a 10m length in both metal trunking/pipe with a 20A 60898 B Type breaker protecting cct. No thermal insulation at an ambient temp of 30•C. If anyone can help with breakdown of calculations...
    • markjenks
    • Thread
    • capacity carrying current current carrying capacity
    • Replies: 11
    • Forum: UK Electrical Forum
  16. S

    cable in conduit

    How many 4mm can you put down a 20mm conduit???
  17. Gazthesparky

    Carrying out electrical work / testing in Scotland

    Hi all Been around for a few weeks but this is my first post so thought I would say hello just after some advice from some sparks in Scotland. I use to work for a large NIC firm in England doing installation and periodic inspections. I know you have to be registered with a scheme to comply...
  18. B

    Doncaster firesure current carrying capasity

    Hi all Been on Doncaster website and can not find the capacity for a 2.5mm 2core firesure. I am assuming this is because the match the installation methods of a T+E. does any one have the relevant info. Cheers Beaver
  19. J

    Verifying earthing of a property before carrying out any work!

    HI... Would i right in saying that it is important to first check that a property is earthed sufficiently and that readings are within what they should be for T-N-C-S, T-N-S, TT systems. Upon discovering a house has no main earth route back to star point would it be correct to say that no work...
    • jamesBoater
    • Thread
    • before carrying earth earthing electrical work fault james out property
    • Replies: 20
    • Forum: UK Electrical Forum
  20. P

    current carrying capacity

    In the red Osg is t&e table 6f ? Ie flat cable? I notice that table 6 e1 has two core and three core non armoured would this cover t&e or is this for flex only. We havnt covered this in college Thanks for any help given. Craig.
    • Patto
    • Thread
    • capacity carrying current current carrying capacity
    • Replies: 4
    • Forum: UK Electrical Forum

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