IEEE C135.22-1988
Top Insulator Pins With Lead Threads for Overhead Line Construction
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About This Item
C135.22-1988 is a technical standard for top insulator pins with lead threads used in overhead line construction. It addresses the design and application context for hardware that supports line insulation and mounting reliability in power transmission and distribution systems. By defining a clear reference for this component type, the standard helps engineers, buyers, and maintenance teams compare products more consistently and support dependable installation in utility structures.
C135.22-1988 overview
The C135.22-1988 specification focuses on a particular overhead line hardware item: the top insulator pin with lead threads. In practical terms, it is concerned with a component that must work accurately with insulator assemblies and line support structures while meeting expected mechanical and material requirements. As an inactive standard, it is often most useful as a historical reference for legacy designs, technical review, or procurement of compatible parts where established dimensional and performance expectations still matter.
Typical use cases
This standard is typically relevant in overhead power line projects where insulator pins are used to secure or support insulators on poles and related line structures. It may also be consulted during replacement work, equipment matching, or specification checks for utility hardware in transmission and distribution environments. Because the subject area includes components, engineered materials, and dielectric applications, the document is most useful when comparing threaded pin designs, installation compatibility, and material suitability for line construction hardware.
Why this standard matters
C135.22-1988 matters because small hardware details can affect the reliability of an overhead line installation. Using a recognized standard helps reduce mismatch risk between pins, insulators, and supporting structures, which supports safer assembly and more predictable field performance. It also helps with procurement and inspection by giving stakeholders a common technical reference for form, fit, and functional expectations. For legacy systems, the standard can be especially useful when verifying replacement parts against established requirements.
- Top insulator pins for overhead line construction
- Lead-threaded hardware compatibility
- Insulator support and mounting reference
- Legacy utility hardware specification
- Material and fit consistency checks
- Publication Date: 1988
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems; Engineered Materials, Dielectrics and Plasmas
- Official IEEE: Doi link
- This Version: C135.22 (1988)
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