IEC 60471:2020
Clevis and tongue couplings of string insulator units - Dimensions
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About This Item
IEC 60471:2020 provides the dimensional reference for clevis and tongue couplings of string insulator units, helping engineers and procurement teams align component selection with a defined technical basis. For projects involving overhead line insulation hardware, IEC 60471:2020 supports consistent product evaluation, dimensional verification, and documentation review. It is particularly relevant where fit, interchangeability, and conformity assessment depend on controlled coupling dimensions rather than general design assumptions.
What is IEC 60471:2020?
This document specifies dimensions for clevis and tongue couplings used with string insulator units, making it a practical engineering and compliance reference for hardware compatibility. It is typically used when checking whether associated components match expected geometric requirements during technical review, drawing control, or procurement validation. By defining the dimensional basis for these couplings, IEC 60471:2020 helps reduce ambiguity in manufacture, inspection, and acceptance activities tied to overhead insulation assemblies.
Applications of IEC 60471:2020
IEC 60471:2020 is relevant in the design, specification, and inspection of insulator string hardware used in electrical transmission and distribution systems. It may be consulted during product evaluation, supplier qualification, and laboratory evaluation of coupling interfaces to support operational consistency. Engineering teams often use documents of this kind when preparing technical documentation, comparing component drawings, or confirming that selected hardware supports intended assembly and installation workflows.
Why is IEC 60471:2020 important?
Dimensional control is essential where mechanical compatibility and repeatable assembly affect safety and long-term performance. IEC 60471:2020 supports verification activities by giving organizations a defined reference for checking coupling geometry during quality workflows and conformity assessment preparation. For procurement and compliance teams, it can help reduce the risk of mismatched parts, rework, or acceptance issues. In practice, it strengthens technical validation by making review criteria clearer and more consistent across suppliers and projects.
- Dimensional reference for clevis and tongue couplings in string insulator units
- Useful for drawing checks, incoming inspection, and supplier documentation review
- Supports compatibility decisions in overhead line hardware procurement
- Helps standardize technical assessment and acceptance criteria across projects
- Publication Date: 2020-09-07
- Standard Status: Original
- Publisher: IEC
- Edition: 3
- This Version: IEC 60471:2020 (2020-09-07)
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