Turkmenistan standards PDF

Protectors for Paired-Conductor Communications Circuits (Edition 7, published April 25, 2001; revisions through July 25, 2022; ANSI reaffirmation 2022). Original standard UL 497 2022-07 in PDF full version. Additional info + preview on request

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Secondary Protectors for Communications Circuits (Edition 3, published March 20, 2001; revisions through October 17, 2019). Original standard UL 497A 2019-10 in PDF full version. Additional info + preview on request

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Secondary Protectors for Communications Circuits (Edition 3, published March 20, 2001; revisions through December 3, 2024). Original standard UL 497A 2024-12 in PDF full version. Additional info + preview on request

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Protectors for Data Communications and Fire-Alarm Circuits (Edition 4, published June 14, 2004; revisions through February 10, 2017; ANSI reaffirmation 2017). Original standard UL 497B 2017-02 in PDF full version. Additional info + preview on request

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Protectors for Data Communications and Fire-Alarm Circuits (Edition 4, published June 14, 2004; revisions through February 7, 2022; ANSI reaffirmation 2022). Original standard UL 497B 2022-02 in PDF full version. Additional info + preview on request

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Protectors for Coaxial Communications Circuits (Edition 2, published August 3, 2001; revisions through February 10, 2017; ANSI reaffirmation 2017). Original standard UL 497C 2017-02 in PDF full version. Additional info + preview on request

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