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Porcelain Insulators | Suspension Insulators

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Test & Standard

NGK suspension (disc) insulators meet the requirements and tests of the following standards.

IEC Standard and Technical Report

60060-1 High-voltage test techniques, Part 1: General definitions and test requirements
60120 Dimensions of ball and socket coupling of string insulator units
60305 Characteristics of insulator units of the cap and pin type
60383-1 Insulator units - Definitions, test methods and acceptance criteria
60383-2 Insulator strings - Definitions, test methods and acceptance criteria
60437 Radio interference test on high-voltage insulators
60471 Dimensions of clevis and tongue coupling of string insulator units
60507 Artificial pollution tests on high-voltage insulators to be used on a.c. systems
60575 Thermal-mechanical performance test
60797 Residual strength of string insulator units
60815 Guide for the selection of insulators in respect of polluted conditions
61211 Puncture testing
61245 Artificial pollution tests on high-voltage insulators to be used on d.c. systems
61325 Insulator units for d.c. systems - Definitions, test methods and acceptance criteria

ANSI Standard

C29.1 Electrical power insulators - test methods
C29.2 Wet-process porcelain and toughened glass - suspension type

CAN/CSA Standard

C411.1 AC suspension insulators

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