Overhead Line Insulator

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Pole Line Hardware

Construction brackets, cross arms, pole bands, steps and structural accessories — factory direct, hot-dip galvanized
Overview

What Are Overhead Line Insulators?

Pole line hardware refers to the structural steel components used to build and equip utility poles in overhead power distribution and transmission systems. This includes brackets for mounting transformers and secondary equipment, cross arms for conductor spacing, pole bands, steps, stay assemblies, and all the fasteners and plates needed to complete a pole installation.
Raxsteel manufactures the full range of pole line hardware, all hot-dip galvanized to ASTM A153 or ISO 1461 standards. We supply utilities, EPC contractors, and distributors in 40+ countries with factory-direct pricing and fast delivery.
300+ product variantsCustom specs availableHDG to ASTM A153
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Category overview photo
Products

Overhead Line Insulator Range

Composite Insulator
Composite Insulator
Polymer · Silicone rubber housing
11kV–500kV suspension & tension
Details
Deadend Insulator
Deadend Insulator
Porcelain / Polymer · HDG hardware
Dead-end strain line termination
Details
Guy Strain Insulator
Guy Strain Insulator
Porcelain / Fiberglass · ANSI standard
Isolates guy wire from grounded pole
Details
Insulator String
Insulator String
Glass / Porcelain disc string
Multi-disc assembly for HV lines
Details
Glass Suspension Insulator
Glass Suspension Insulator
Toughened glass · IEC / ANSI
70–160kN disc suspension insulator
Details
Pin Insulator
Pin Insulator
Porcelain · ANSI 55 / 56 series
Distribution line pin-type insulator
Details
Post Insulator
Post Insulator
Porcelain / Polymer · Station class
Substation & line post insulator
Details
Spool Insulator
Spool Insulator
Porcelain · ANSI 53 series
Low-voltage secondary spool
Details
Standoff Insulator
Standoff Insulator
Porcelain / Polymer · Bolt mount
Standoff bracket-mount insulator
Details
Stay Insulator
Stay Insulator
Porcelain · ANSI 54 series
Guy wire stay / egg-type insulator
Details
Suspension Insulator
Suspension Insulator
Porcelain / Glass disc · HDG cap & pin
Standard disc suspension insulator
Details
Underground Cable Insulator
Underground Cable Insulator
Porcelain · Cable riser application
Secondary rack spool for cable risers
Details
Case Study

Real Projects Using Our Products

33kV Rural Electrification Project — East Africa

The project required 1,200 sets of pole line hardware including cross arm assemblies, construction brackets, stay rod assemblies, and pole steps for a 180 km rural distribution line. Raxsteel supplied complete hot-dip galvanized pole hardware kits, tested to IEC standards before shipment. Delivery was completed in 28 days with a full inspection report. The contractor has since placed two additional orders for extension projects.
Want to see more projects?  View All Case Studies on Our Blog →
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Overhead Line Insulator Manufacturer & Supplier — Factory Direct

What Are Overhead Line Insulators?

Pole line hardware is the broad category of steel fittings and brackets used to equip utility poles for overhead power distribution. It includes construction brackets (for transformers, neutral wires, conduits), cross arms (for conductor spacing), pole bands, pole steps, stay assemblies, and structural plates. All components must withstand outdoor weathering and mechanical loads over decades of service.

Types of Pole Line Hardware

Construction Brackets

Construction brackets mount distribution transformers, secondary racks, conduits, and neutral wires to the pole. Raxsteel manufactures the complete range including pole transformer brackets, neutral wire brackets, conduit standoff brackets, and universal pole brackets, all in hot-dip galvanized steel.

Cross Arms & Bracing

Electrical cross arms space conductors horizontally at the pole top. They are available in wood, steel, and fiberglass. Raxsteel supplies galvanized steel cross arms including rectangular section, alley arms, and associated bracing hardware such as angle braces, double arming plates, and guard arm braces.

Stay Assemblies & Structural Hardware

Stay (guy) assemblies transfer horizontal load from the pole to the ground anchor. A complete stay set includes the stay rod, bow, strain insulator, and anchor rod. Raxsteel supplies complete stay sets and individual components, all hot-dip galvanized to ASTM A153.

International Standards & Certifications

All Raxsteel pole line hardware is manufactured and tested to international standards. Our factory holds SGS quality certification and can provide full test reports, dimensional drawings, and material certificates with each order.

ASTM A153 (HDG)ISO 1461SGS CertifiedANSI C135IEC 61284

How to Choose a Pole Line Hardware Supplier

When sourcing pole line hardware from China, look for a factory that owns its own hot-dip galvanizing line, can provide certified test reports, offers custom fabrication to your drawings, and has verifiable experience supplying utilities. Raxsteel meets all these criteria and welcomes factory audits.

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