GB/T 20041.21-2017
ActiveConduit systems for cable management—Part 21: Particular requirement for rigid conduit systems
电缆管理用导管系统 第21部分：刚性导管系统的特殊要求
Application Summary AI generated
This standard specifies the particular requirements and tests for rigid conduit systems used in electrical cable management, covering mechanical strength, thermal resistance, and corrosion protection. It applies to rigid conduits and fittings in industrial, commercial, and residential electrical installations, ensuring safe routing and protection of cables against external impacts and environmental factors. The standard is used by manufacturers and testing laboratories to verify compliance with Chinese national safety and performance criteria for rigid conduit systems.
Related Standards
JB/T 6774-2006
Testing method for coal pitch fixed carbon
GB/T 2099.4-2008
Plugs and socket-outlets for household and similar purposes - Part 2: Particular requirements for switched socket-outlets without interlock for fixed installations
GB/T 17465.1-2009
Appliances couplers for household and similar general purposes Part 1: General requirements
GB 17465.4-2009
Appliance couplers for household and similar general purposes - Part 2: Couplers dependent on appliance weight for engagement
GB/T 16608.1-2003
Electromechanical elementary all-or-nothing relays of assessed quality--Part 1:Generic specification
GB/T 2900.49-2004
Electrotechnical terminology--Power system protection
GB/T 14898-2004
Graphite for making synthetic diamond
GB/T 3804-2004
High-voltage alternating-current switches for rated voltage above 3.6 kV and less than 40.5 kV
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.