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  • Users: allge
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  1. allge

    power line distance from tanks

    A local power company wants to put a high voltage (12,470 VAC) overhead line within fifteen feet of an oil/gas petroleum tank. The content of the tank is very flammable. The working rule of thumb is not to put a highline any closer to a tank than the length of the pole, plus ten feet. What...
  2. allge

    NESC table for transformer spacing

    Which table in the 2002 NESC would be used to determine the clearance between transformer bushings on an “H” frame structure with a 14.4 KV primary voltage? Thank you for your assistance. Regards, Gary
  3. allge

    pole size for pole-type transformers

    Can you lead me to a publication or web site that would define the proper pole size, in class, for various transformer sizes? Thank you, Gary
  4. allge

    ground grid bonding

    We presently have the responsibility to augment a grounding grid for an existing gas plant. Would someone be able to supply documented information or literature defining a distance between a metal body and a ground grid that would require the metal body to be bonded to the ground grid? Please...

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