Equipment Failure Causes Massive Power Outage - ABC 33/40 - Birmingham News, Weather, Sports

Equipment Failure Causes Massive Power Outage

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Example of a power arrestor Example of a power arrestor

A major power outage sweeps portions of southeast Tulsa, Broken Arrow and Coweta early Friday.

About 13,000 PSO customers lost service around 3:30am. The company said a piece of equipment failed at its 81st and Garnett substation. Electricity was restored around 5:00am.

Company spokesman Stan Whiteford said a lighting arrester failed and caused extra load on a transmission line. The failure caused the line to arc which created a bright flash that folks around the area saw.

Whiteford explained that the arrester can fail sometimes weeks or months following a strike. There were no electric storms in the area Friday morning.

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