GB/T 4056-2008
AbolishedBall and socket coupling dimensions of string insulator units
绝缘子串元件的球窝连接尺寸
Application Summary AI generated
This standard specifies the dimensional requirements for ball and socket couplings used to connect individual insulator units into strings. It is applied in the manufacturing and quality control of overhead power line insulators, ensuring interchangeability and mechanical compatibility between components from different suppliers. The standard is critical for high-voltage transmission line construction and maintenance, where reliable coupling is essential for structural integrity.
Related Standards
GB/T 19443-2004
Insulators for overhead lines with a nominal voltage above 1000V--Ceramic or glass insulator units for d.c. systems--Difinitions，test methods and acceptance criteria
GB/T 4585-2004
Artificial pollution tests on high-voltage insulators to be used on a.c. systems
GB/Z 23756.1-2009
Evaluation of electrical endurance of electrical insulation systems - Part 1: General considerations and evaluation procedures based on normal distributions
GB/Z 16935.2-2013
Insulation coordination for equipment within low-voltage systems―Part 2-1: Application guide-Explanation of the application of the IEC 60664 series, dimensioning example and dielectric testing
GB/Z 16935.6-2016
Insulation coordination for equipment within low-voltage systems—Part 2-2: Interface considerations—Application guide
GB/Z 37754-2019
Guidance on clearances and creepage distances in particular for distances equal to or less than 2mm—Test results of research on influencing parameters
GB/Z 43963-2024
Guidance for determination of clearances, creepage distances and requirements for solid insulation for equipment with a rated voltage above 1 000 V AC and 1 500 V DC, and up to 2 000 V AC and 3 000 V DC
GB/T 775.2-2003
Test method for insulators--Part2: Electrical test methods
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.