IEEE C135.1-1999
Coated Steel Bolts and Nuts for Overhead Line Construction
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About This Item
C135.1-1999 is a standard for coated steel bolts and nuts used in overhead line construction, helping define the hardware that supports reliable power transmission structures. In the context of power, energy and industry applications, it addresses a narrow but important part of line assembly where fastener performance, durability, and compatibility can affect long-term service. This technical document is useful for specifying materials and construction requirements with greater consistency.
Overview of C135.1-1999
This standard focuses on coated steel bolts and nuts intended for overhead line construction, where mechanical fastening must withstand outdoor exposure and operational loads. It is relevant to utilities, line hardware procurement, and project specifications for transmission and distribution infrastructure. As a superseded document, C135.1-1999 is often consulted for historical reference, legacy equipment documentation, or comparison against later requirements for coated fasteners used in electrical line structures.
Typical use cases
The standard is commonly applied when selecting or reviewing fastening hardware for poles, towers, crossarms, brackets, and related overhead line assemblies. It may support specification writing, incoming inspection, and compatibility checks for coated steel bolts and nuts used in substations or line construction work. In power-sector maintenance and upgrade projects, C135.1-1999 can also help verify that replacement parts align with established fastening expectations.
Why it matters
For overhead line construction, consistent fastener requirements help reduce installation issues, corrosion concerns, and premature hardware failure. C135.1-1999 supports clearer procurement and quality control by defining expectations for coated steel bolts and nuts in a demanding outdoor environment. That matters for safety, structural reliability, and long-term performance, especially when matching parts across projects or maintaining older systems where legacy specifications may still be referenced.
- Coated steel bolts and nuts
- Overhead line construction hardware
- Legacy specification reference
- Utility and transmission applications
- Fastener consistency and durability
- Publication Date: 1999
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
- This Version: C135.1 (1999)
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