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Recent content by G8

  1. G

    Don't mess with 25kV

    I guess you must be talking about this effect.If AC electric field is strong enough it can them up to a full :idea: incandescence .
  2. G

    Don't mess with 25kV

    To "urinate" from railway bridges against OHL conductors is also a bad idea...-:) @OldTimer,thanks for the history of the 9 ft rule (I didn't know that!).
  3. G

    BBC News: Teenage boy dies at railway depot

    It's a good warning for everybody ,not just for children.IMO,there should be released more adverts of this sort these days.Especially for kids :they are innocent and very curious but quite ignorant too.And this is a dangerous combination.Note that "reporter" said the kid was electrocuted by...
  4. G

    Don't mess with 25kV

    I think you really don't wanna get killed :Step and Touch voltages :)
  5. G

    Don't mess with 25kV

    That "fizz" one can hear is due to high moisture content in the atmosphere - it appears during rain or bad weather/storms and is called an electrical corona.It can be hear and seen on HV cables and equipment and even on conductive objects in their vicinity when the conditions are right.But this...
  6. G

    BBC News: Teenage boy dies at railway depot

    I feel sorry for that boy ,his parents,and two other boys who survived.I don't think these 13 year old teenagers knew anything about danger of being electrocuted by 25 kV overhead railway lines.With touching them (actually hardly possible) or just approaching them.Touching or getting close...
  7. G

    Don't mess with 25kV

    An open-air flashover of 400 mm is not possible with only 25 kV AC at ordinary atmospheric pressure and temperature.You're right that rod-to-rod (point-to-point) and rod-to-plane gaps are the most critical gap configurations.However,you messed the figures a bit up.In these cases the average...

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