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Failed filter arrest indicator and method for use in multiple arrester location

  • US 6,998,994 B2
  • Filed: 10/18/2002
  • Issued: 02/14/2006
  • Est. Priority Date: 10/18/2002
  • Status: Expired due to Term
First Claim
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1. A method for locating a failed surge arrester in a buried underground conveyance having a conductive component running along its length and a conveyance locating current flowing through the conductive component, comprising the step of:

  • proximally sensing, above ground, an RF signal from an oscillator activated by the conveyance locating current flowing through the failed surge arrester.

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