Defect Blog

Monthly Archives: April 2012

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.

Apr 16 2012

Non Radial Cutback on a Cold Shrink Joint at a Wind Farm

By: IMCORP

Posted in: Workmanship, Wind, Generation

This cold shrink joint was a part of a feeder cable system at a wind farm site that failed to pass IEEE 404 specifications. Even after the Factory Grade® assessment found this joint to be substandard, the cable system's contracto... Read Article


Apr 16 2012

Non Radial Power Cable Cutback at a Power Plant

By: IMCORP

This is the open-air termination of a solid dielectric cable featuring ethylene propylene rubber insulation (the salmon colored section). Initially, this cable was deemed to be in good working order after passing a one-hour, 3Uo VLF withstand tes... Read Article


Apr 16 2012

Misplaced Stress Relief Material at a Utility

By: IMCORP

Posted in: Workmanship, Utility

This particular open-air termination transitions an underground line to a riser. Although visual inspection indicated that the cable was properly installed (it is difficult to see the mastic placement with the termination installed), the cable ... Read Article


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