arcing insulators

June 28, 2017 | Douglas Tallman

Metro To Test Technique To Prevent Arcing Insulators

Metro GM Paul Wiedefeld told the Montgomery County Council on Tuesday about the water that was entering the Red Line tunnels, which didn’t mix well with the electric-powered trains. The next day, Metro announced it had approved a pilot program to test a “curtain grouting” technique that will add a waterproof membrane to the exterior […]

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June 27, 2017 | Sonya Burke

Wiedefeld Addresses Arcing Insulators on the Red Line at Briefing with County Council (VIDEO)

Metro General Manager Paul Wiedefeld was in Rockville on Tuesday to present his plan to the Montgomery County Council for continuous improvement to the Metrorail system now that the Safe Track program is completed. During the briefing, Wiedefeld was asked about continuing issues with arcing insulators on the Red Line. “That has been an issue […]

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