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Insulated, high voltage power cable for use with low power signal conductors in conduit

  • US 7,208,684 B2
  • Filed: 09/03/2004
  • Issued: 04/24/2007
  • Est. Priority Date: 07/30/2004
  • Status: Active Grant
First Claim
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1. A combination of a high voltage, electrical power cable, a group of one or more low power signal conductors and a section of raceway defining a longitudinal passageway, the power cable and the group of one or more signal conductors installed within the section of raceway and extending together along at least a portion of the longitudinal passageway of the section of raceway, the combination comprising:

  • a) the section of raceway wherein the raceway is comprised of metal;

    b) the group of one or more low power signal conductors disposed exterior of the power cable; and

    c) the power cable suitable for transmitting high voltage power and including a group of two or more power conductors and a power cable insulation jacket overlying the group of two or more power conductors, the power cable insulation jacket comprising a soft magnetic material having a coercivity of 1 oersted or less.

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