NGK hollow insulators for apparatus can meet the requirements and tests specified in the following standards.
|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|
|C29.1||Electrical Power Insulators - Test methods|
|C29.9||Wet-Process Porcelain insulators - Apparatus, Post-type|
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