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  Composite Hollow core
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  Custom braced post design
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  Transmission line posts,line post base section
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  Porcelain insulators,silicone rubber insulators
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  Transmission Line,Distribution Line,Substation,Pole Line and Telecom Line Hardware
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  ESP insulators

NGK suspension insulator catalogue can talk about insulator types, insulator specifications and insulator testing according to international standards or customer’s requirements.

For ensuring the suspension insulator quality, Orient shall be done some insulator tests in accordance with
◆ IEC standards
60060-1 high-voltage test techniques, part1: 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

NGK suspension insulator divided into porcelain suspension insulator and composite suspension insulator used for transmission and distribution systems from 10kv to 500kv.

NGK suspension insulator catalogue may tell more information about electrical insulators, including dimensions, insulator drawings and insulator images. This article only lists the insulator standard.

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