Fault Current

Corrosion and Splices

By Waymon P. Goch Worldwide, the annual cost of corrosion is $2.2 trillion (US); and is currently estimated to be $429 billion (US) annually in the United States.(1) Corrosion that results in failure of aircraft, pipelines, bridges and other critical…


Inner Workings of an Automatic Splice and Using ClampStar as a Safety Tool

By, Carl R. Tamm ClampStar is used as a tool by several utilities as a “safety” when performing line work on a conductor that contains an automatic splice in the span. As a work method precaution, many utilities require the crew to install a “safety”…


DO YOU KNOW THE CONDITION OF YOUR SPLICES?

Joe Renowden, Consulting Engineer (Article provided by SensorLink) Why would that question be important when industry wide there have been relatively few failures? The answer is: The risk of failure can’t be managed until the splice’s condition is…


Fault Current versus Distance

Background: A major utility noted that they were having far more splice failures on their 34.5 kV distribution lines within a few miles of the substation than they were toward the end of their circuits. The primary reason is the available system fault…