Power Crossarm

The Power Crossarm is a horizontal steel beam. It is installed on the top of a utility pole or transmission tower. The crossarm holds the power conductors. It keeps the conductors spaced apart. This prevents them from touching. The crossarm also supports insulator strings. The conductors hang from the insulators. This is a simple but important part of any power line.
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Description

01 SUPPORTING CONDUCTORS ON DISTRIBUTION POLES

The Power Crossarm is a horizontal steel beam. It is installed on the top of a utility pole or transmission tower. The crossarm holds the power conductors. It keeps the conductors spaced apart. This prevents them from touching. The crossarm also supports insulator strings. The conductors hang from the insulators. This is a simple but important part of any power line.

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02 TECHNICAL SPECIFICATIONS

Parameter

Specification

Product Type

Power line crossarm

Material

Angle steel

Design Type

Single, double, or multi-layer

Insulator Mounts

Holes at each end

Pole Mount

Bracket or clamp

Hardware

Bolts, nuts, washers included

Coating

Hot-dip galvanizing

Voltage Range

Distribution and sub-transmission

Applications

Power lines, distribution poles

Installation

Bolted to pole bracket

 

03 PRODUCTION EQUIPMENT

Angle Steel Construction
The Power Crossarm is made from angle steel. The steel is strong and lightweight. The crossarm is formed from a single piece of angle or from two pieces bolted together. It has holes at each end for the insulators. It also has holes in the center for mounting to the pole. We cut and drill all holes on our CNC lines. The hole positions are accurate.

Fully automatic CNC angle steel production line
Fully Automatic CNC Angle Steel Production Line
High-power laser cutting machine
High-Power Laser Cutting Machine
Four-column press
Four-Column Press
Root cleaning and back-gouging machine
Root Cleaning And Back-Gouging Machine
Hot-dip galvanizing production line
Hot-Dip Galvanizing Production Line
Sorting and bundling area
Sorting And Bundling Area

 

04 OVERALL VIEW

Single and Double Crossarm Designs
The Power Crossarm can be a single arm or a double arm. The single arm is used for simple lines. The double arm is used for heavier conductors or double-circuit lines. We also offer multi-layer arms for taller poles. The design is selected based on the line voltage and conductor weight. We help you select the right type.

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05 ON-SITE CONSTRUCTION DRAWINGS

Mounting to the Pole
The Power Crossarm mounts to the pole with a bracket or clamp. The bracket wraps around the pole. The crossarm bolts to the bracket. The connection is strong and secure. We supply the bracket and bolts with the crossarm. The mounting hardware is galvanized. This prevents rust at the connection point.

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06 CERTIFICATIONS

 

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Essential for Line Safety
The Power Crossarm is a critical safety component. It maintains the spacing between conductors. This prevents short circuits and power failures. The crossarm is simple but it must be strong. We build it to last for many years.

 

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