Defect Blog

Category Archives: Backfill

Each year, millions of people and thousands of businesses are impacted by underground cable system failures. IMCORP is dedicated to advancing the understanding of how these failures occur and more importantly, how they can be avoided.

Jul 30 2012

Stone in Cable 176m (578ft) from Termination

By: Ben Lanz and Bill Corrente

Posted in: Backfill, Cable, Facility, Generation, Renewable, Solar, Utility, Wind, Workmanship

IMCORP’s  Factory Grade® assessment discovered a substandard  location while commissioning the cable systems at a generation facility. The client used IMCORP’s Location Matching service to pinpoint the defect location. N... Read Article

Mar 23 2012

Power Cable Damage From Backfill


Posted in: Wind, Generation, Cable, Backfill

These images show a PD site in a medium voltage power cable, part of a collector system designed and installed at a wind farm in Idaho during 2005.  In the first few years of operation, the site experienced a very high collector syst... Read Article