Standards Library

Quick reference guide for international standards compliance in high-voltage insulator procurement.
Ref. Number Material / Type Description & Application Related Products
IEC 60383 Porcelain / Glass Insulators for overhead lines with a nominal voltage > 1,000V. Covers testing, dimensions, and mechanical loads for AC systems. Cap & Pin Disc, Line Posts
IEC 61109 Composite Composite suspension and tension insulators for AC systems > 1,000V. Defines SML and tracking tests for silicone rubber. Silicone Suspension
IEC 60273 Station Post Characteristics of indoor and outdoor post insulators for systems with nominal voltages > 1,000V. Solid-Core Station Posts
ANSI C29.2 Porcelain Wet-Process Porcelain and Toughened Glass - Suspension Type. Defines M&E ratings (e.g., 25,000 lbs) for the Americas. ANSI Standard Discs
ANSI C29.7 Porcelain Wet-Process Porcelain Insulators - Line Post Type. Commonly used in distribution grids. ANSI Tie-Top Line Posts
ANSI C29.9 Station Post Apparatus Post Insulators. Outlines TR (Technical Reference) numbers like TR-286, TR-312. ANSI Station Posts (TR Series)

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