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Porcelain Insulators | Hollow Insulators

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Test & Standard

NGK hollow insulators for apparatus can meet the requirements and tests specified in the following standards.

IEC Standards and Technical Report

60060-1 High-voltage test techniques Part1: General definitions and test requirements
60233 Tests on hollow insulators for use in electrical equipment
60437 Radio interference test on high-voltage insulators
60507 Artificial pollution tests on high-voltage insulators to be used on AC systems
60815 Guide for the selection of insulators in respect of polluted conditions
61245 Artificial pollution tests on high-voltage insulators to be used on D.C. systems
61264 Ceramic pressurized hollow insulators for high-voltage switchgear and controlgear

ANSI Standard

C29.1 Electrical Power Insulators - Test methods
C29.9 Wet-Process Porcelain insulators - Apparatus, Post-type

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