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Recent content by Sparkyman

  1. Sparkyman

    Sprecher and Schuh Relays

    Maybe you could ask them directly by writing or phoning:- Sprecher + Schuh is headquartered in Houston, Texas. Phone, fax, address and e-mail information are provided below. United States, Corporate Headquarters 15910 International Plaza Drive Houston, TX 77032 Voice: 281.442.9000 Fax...
  2. Sparkyman

    Lightening Protection for a building

    Good answers above, well deserving of the stars awarded. Just one point Tomfitz (apologies if you think I am a pedant, but spelling and grammar in engineering is important to me) there is no e in the middle of lightning.
  3. Sparkyman

    AutoCAD symbols for Overhead Pole Line Distribution Equipment

    If you look in the forum list there is an AUTOCAD forum, surely your question would be better answered there.
  4. Sparkyman

    Running a motor at overvoltage

    I've looked in FAQ and tried Search but this must have been covered before so if one of you kind people could point me to the answer it would be appreciated. What exactly happens if you connect a 110V motor (say a small fan) to a 240V supply, and why? Thanks
  5. Sparkyman

    Sizewell A & Dungeness shut down in England

    We'll probably build 10 Westinghouse AP1000 over the next 15 years to provide us with 25% of our electricity needs for the next 50-60 years. Political and Public perception is changing.
  6. Sparkyman

    Inspection Pit Lighting

    I've got a job to replace the lighting system in a Railway Locomotive Inspection Pit and also in a motor vehicle inspection pit in the UK. The ones in the MV pit will have to be suitable for the potentially explosive atmosphere but the ones in the rail pit won't have to be. My main problem is...
  7. Sparkyman

    armour cable

    The best way to size dis boards and their feeder sizes is to have an accurate load schedule to start with for the application. Then you can work out a load for each board, sub-board etc and you can then rate the feed and feed cable accordingly. Then add a bit for future requirements and away you...
  8. Sparkyman

    armour cable

    I agree with ScottyUK. cn100, If you are unfamiliar with armoured cable glands, banjos etc have a look at cmp-products.co.uk
  9. Sparkyman

    UK Statutory Requirements for Cable Installations

    The main regulation that you have to comply with (and the one that they will take you to court for 'failure to comply with') is the Electricity at Work Regulations 1989.
  10. Sparkyman

    Bareshaft Horsepower

    Thanks for that Artisi
  11. Sparkyman

    Bareshaft horsepower

    This is a reply I got from Artesi in the pump engineering forum Bare-shaft horse power is, in the case of a pump unit - the power input to the pump shaft (which already includes the pump losses and ineficiencies),it does not include any losses for the coupling or the drive unit. To put it...
  12. Sparkyman

    Bareshaft horsepower

    Can someone please explain the term 'Bareshaft Horsepower' to me. Thanks
  13. Sparkyman

    Bareshaft Horsepower

    Can someone please explain to me what the term 'Bareshaft Horsepower' means.
  14. Sparkyman

    HT and LT systems

    L.T. means 'Low Tension' (low voltage) i.e. 415V Systems and below. H.T. means 'High Tension' (high voltage) i.e. 1000V and above.

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