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UNDERGROUND TRANSMISSION SYSTEM EMPLOYING BARE CONDUCTORS SUPPORTED BY ELECTRICAL INSULATING FOAM

  • US 3,582,533 A
  • Filed: 09/16/1969
  • Issued: 06/01/1971
  • Est. Priority Date: 09/16/1969
  • Status: Expired due to Term
First Claim
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1. A system for transmitting high-voltage electric currents from a point of generation to a point of utilization, comprising:

  • a bare conductor carrying said high-voltage electric current; and

    an underground installation through which said bare conductor runs to carry said current, said conductor being supported in said installation by a closed-cell foam surrounding said conductor and having electrical insulating gas entrapped therein of a high dielectric characteristic.

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