carrying

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  1. S

    Worst tested cable I ever found doing a EICR

    Last year at night I was carrying out Electrical Inspection and Testing and Found the 300mm 4 core SWA sub main cable to a chapel was recording 0.09 ohms on carrying out high insulation resistance testing between phases. 25 thousand pounds later its rectified. Would love to hear other people's...
    • Sam cook
    • Thread
    • cable carrying doing eicr found insulation megger resistance tested testing worst
    • Replies: 26
    • Forum: UK Electrical Forum
  2. F

    Swa current carrying capacity

    hi I've been asked to pick up a job where the previous builder went into liquidation and the property management company is asking me to complete the electrical works, relocate a fuseboard. Everything the previous company has done is exceptionally neat but I'm concerned on the design front...
  3. G

    VIR Cables Current Carrying Capactiy

    Anyone know of any information out their on the current caring capacity of old VIR cables, looks like they are between 16mm-25mm, so any info on the older imperial sizes would be useful Thanks graham
  4. P

    Carrying Out A Periodic Inspection On A Commercial Building In Northern Ireland

    Sorry lads but have to ask about price again. I have been asked to carry out a Periodic Inspection on a commercial premises by a client. They have a 3 phase board with 8 way board and is totally full. So 24 single circuits. They have no 3 phase circuits. I am going to carry out the work...
    • peterl3986
    • Thread
    • building carrying commercial inspection ireland northern ireland out periodic roi
    • Replies: 6
    • Forum: Ireland
  5. N

    Cable Current Carrying Capacities.

    I'm wiring a corn dryer up and the supply is into an isolator rated at 100a 3P N and Earth then straight into 6mm and 2.5 stranded singles going off in various directions to different MCBs, contractors etc No fuse down between cable sizes. However this is uk new production. Adding up the various...
  6. J

    Initial verification and periodic inspection.

    Anyone can help me here? Does anyone know how the initial verification would differ from a periodic inspection and test.
    • Jord
    • Thread
    • anyone carrying initial inspection installation periodic testing verification
    • Replies: 4
    • Forum: UK Electrical Forum
  7. P

    Cable type ... current carrying capacity

    I'm looking at an install of a double oven cooker ... 11.3kW maximum demand ... and rather than use 10mm T&E for the final connection I have been looking at the CCC tables in Appendix 4 Table 4E2A on page 368 (3rd Amend of 17th) states I should be able to use a cable with 6mm CSA conductors...
  8. C

    Current carrying capacity

    Morning The company that I work for has recently had an electrical inspection carried out. One of the findings consisted of 'ineffective overcurrent protection of cable due to rating of protective device and CSA of cable' Basically a 100A isolator was feeding a 16mm SWA. The SWA conforms to BS...
  9. 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...
  10. 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
  11. 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
  12. happysteve

    Current carrying capacity of a ring final circuit - grouping factor?

    Eh up :) I'm trying to challenge myself with scenarios where I'm not sure if my interpretation of the calculation rules + regs is correct or not. RFCs are doing my head in. I think I understand most of the theory: - 433.1.204 lists a specific case where a RFC protected by a 30/32A protective...
  13. 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
  14. 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...
  15. 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
  16. 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...
  17. 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)
  18. 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
  19. 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
  20. 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...
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