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  • Users: Sparkyman
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  1. 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
  2. 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...
  3. Sparkyman

    Bareshaft horsepower

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

    Bareshaft Horsepower

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

    Height of 132 Overhead Line

    I am trying to design a lightning protection system for a building and want to claim protection by the earth wires of 132kV overhead lines above. I've done the calcs to BS6651 and know the minimum height that the cables must be to give protection, however I don't know the actual cable height...

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