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Image: SectionInsulator

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Description: An insulator at a section break on 12 kV, 25 Hz catenary The white parallel rods are fiberglass insulators. A passing pantograph will bridge the metal runners, shorting the two sections of catenary together. Note that the arcing horns diverge as they rise above the runners, this helps to extinguish the arc which is formed whenever a pantograph travels under the runners. Mcg410 (talk) 03:29, 27 December 2010 (UTC)
Title: SectionInsulator
Credit: Transferred from en.wikipedia to Commons by Jay8g using CommonsHelper.
Author: Mcg410 at English Wikipedia
Usage Terms: Creative Commons Zero, Public Domain Dedication
License: CC0
License Link: http://creativecommons.org/publicdomain/zero/1.0/deed.en
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