ANSI/NEMA C29.12:2020
Current
The latest, up-to-date edition.
American National Standard for Composite Insulators—Transmission Suspension Type
Hardcopy , PDF
English
08-22-2020
Covers composite-suspension insulators made of a fiberglass-reinforced resin rod core, polymer material weathersheds and metal end fittings intended for use on overhead transmission lines for electric power systems, 70 kV and above. Mechanical and electrical performance levels specified herein are required for new insulators.
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