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  1. S

    Sleeving 3 phase cable to single phase cable

    yes i do have a copy. Will check. Many Thnaks.
  2. S

    Sleeving 3 phase cable to single phase cable

    Do you have any installation pictures?
  3. S

    Sleeving 3 phase cable to single phase cable

    Is it just done at the terminals?
  4. S

    Sleeving 3 phase cable to single phase cable

    Could someone help me understand what is cable sleeving? Can we sleeve a 3 phase cable to single phase cable? Is this as per any regs? BS 7671? Could you send me some pictures of the same if you have..
  5. S

    Underground street lighting duct types

    Its public street lighting that i am referring to.
  6. S

    Underground street lighting duct types

    Are not PVC ducts used anymore? Could you provide me with the different sizes of HDPE and MDPE ducts used? And when do we prefer HDPE/MDPE over PVC. Are they rigid? if so will the bending be difficult? and should we need chambers for bents even less than 90 degrees? Regards, Sunesha
  7. S

    Underground street lighting duct types

    Street lighting ducts are in which cables are laid if not buried barely that suppies street lighting columns. Some of the types are PVC, MDPE, HDPE ducts. but i do not know how different it would be for each type in terms of the size ,flexibility , space factor etc. Street lighting ducts...
  8. S

    Underground street lighting duct types

    Hi All, I am currently preparing a document where i need to know the duct types used in street lighting electrical design. Could someone help me with the street lighting duct types and sizes normally used in UK. Preferred sizes are 50mm, 75mm, 100mm and 150mm. If not could you guide me to...
  9. S

    Underground street lighting duct types

    Hi All, I am preparing a document where i need to understand the street lighting duct types used in UK. Could someone help me with the street lighting duct types and sizes normally used in UK. Preferred sizes are 50mm, 75mm, 100mm and 150mm. If not could you guide me to someone who could help...
  10. S

    Voltage drop and harmonics in multicore cables

    Hi All, Could anybody help me to understand the connection between harmonics and voltage drop in multi-core cables. I understand that voltage drop is directly proportional to the load current and length and inversely proportional to the cross sectional area of the cable. Will the additional...
  11. S

    Electrical engineer looking for practical knowledge

    Hi All, Could someone help me to understand the how do we lay cables in a trunking system. Its space factor, and standard trunk sizes available. How do we take the transition from underground ducts to the trunking system. Regards, Sunesha
  12. S

    Electrical engineer looking for practical knowledge

    Many Thanks for your help :)
  13. S

    Electrical engineer looking for practical knowledge

    Hi Marvo, Many Thanks for your reply, so i would probably have to look through the MCB characteristic curves to determine the type of MCB that could withstand the specified inrush current without nuisance tripping. Do you know how the impact would be for fuses? Is the principle same and would...
  14. S

    Electrical engineer looking for practical knowledge

    I have one to start with. It is related to the inrush current and the cable size. I am aware of the fact that a cable would burn off depending on the current flowing through it in a duration of time. Do you have any references to understand the inrush current of different appliances and the...
  15. S

    Electrical engineer looking for practical knowledge

    Hi All, I am a 26 year old Lighting Engineer with electrical background. As i started my career as a lighting engineer my practical knowledge on electrical aspects related to Industries, building design, Rail traction etc is minimal. I would like to learn more about the same as i am looking for...

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