calc

  1. G

    Cable calc advice needed...

    Hi there, Have just picked up a job to price and i'm struggling to work out the best solution to the problem. Any help would be greatly appreciated. Scenario.... Large 5 bed house being split into 5 rooms for separate rental. Landlord has decided to install 5 power showers to each of the...
  2. C

    cable calc

    hi guys, have any of you got the software "cable calc"? is it good? and most importantly is it worth the ££££?? cheers!
  3. M

    Submain calc

    Right, I'll try to keep this simple. I have a job coming up that involves installing a couple of storage heaters. The 2 rooms are on the 2nd floor of an old building and the DB is in the basement. They also require a ring main to give power to the 2 rooms. There is no way of running cables...
  4. S

    Current carrying capacity and volt drop calc

    Hey all. Hope that this post is relevant to this section. Got a call this morning from my colleague who is on a large industrial job at the mo. He has asked me to calculate and come up with a suitable cable size that is forming part of a distribution circuit. I also need a suitable fuse size...
  5. sythai

    Cable Calc help please...

    Evening all... Been to look at job today: meter is moving so need to re-do tails with switch fuse at incomer, all agreed ok with supplier. Run is approx 13m - main switch in CU rated at 100A - run through first floor joists - no insulation. Just wonder what the volt drop would be over that...
    • sythai
    • Thread
    • aus cable calc electricians' talk help help please please
    • Replies: 2
    • Forum: Australia
  6. D

    3-phase calc

    quick question: a 3-phase lift rated at 2.2kw 6.4 amp doesn't seem to add up for me?
  7. E

    First cable calc that is non-theoretical!

    Hi, just wondering if anyone would be kind enough to take a look over my cable calc as I haven't done one really since I finished college as it's all been house bashing. The customer wants a supply feed up to the top of his garden (cable run will be 70m) The cable is to be run along the top...
  8. Mark.W

    Cable Calc

    Evening Gents I don't have my regs book with me at the moment and was wondering if one of you kind people could help me out with this cable calc? I am busy rewiring a house that is currently on a TT system. The owners want the meter moved to the other side of the house, but Southern were out...
  9. S

    Cable Calc.

    Would one of you helpful chaps do a cable calc for me, as i dont have my books to hand at the moment as i am away. 40A over 100 meters. Most of it SWA. Much obliged :)
  10. B

    stuck on a Cable Calc

    Afternoon chaps. I'm new here, hope i've posted in the right place. My tutor has asked a cable calculation question i just can't get my head round. senario is this, there are already 10 lighting points in a house when a customer asks for 2 x twin wall lights to be added. i have to show with...
    • BAYEUX
    • Thread
    • aus cable calc electricians' talk stuck
    • Replies: 17
    • Forum: Australia
  11. I

    Calc advise

    Ok, Here is one for all you Big Guns of calcs... I am doing 2391-10 at the moment and l finished my apprentership 20+ years ago, so as you can gather I am a bit rusty on the old class room thing... All I want is for someone to explain to me in a very simple way how to do this calc and for...
  12. S

    Cooker calc

    Question from a 2400 paper Cooker @ 12000w. TN-C-S @ Ze= 0.25ohms. Socket on cooker switch. BS1361 fuse. 25 meter run. PVC t&e clipped direct with 4 other cables. Passes through 100mm length of surrounded insulation. Leaves group and in HG pvc conduit in ambient of 45 degrees. Ib = 52amps...
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