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ArabicTypes of Electrical Cross Arm – The Complete Guide
As we all know,Electric cross arm is used for cable support of utility poles or telephone poles, both power lines and communication lines require electrical cross arms.
In this guide, you can choose the appropriate electric cross arm.
What is an Electrical Cross Arm?
As one of the pole line hardware devices, the electrical cross arm can fix the cable in the appropriate position, which is more beautiful and can prevent cable damage. The appropriate size of cable can make your power or signal transportation yield twice the result with half the effort.
Types of Electrical Cross Arms
Below, I will show you several types of electric cross arms.Each design meets the special requirements of the electrical system.
Electrical Cross Arm Extra Long
These cross arms have extended design, can adapt long spaced cables.They improved stability and safety.
Top Crosshead Electrical Cross Arm
The electrical cross arm is used to fixing or supporting attachment, The unique U-shaped groove can fix the arm to the top or upper end of a pole. It is also referred to as an electrical cross arm, pole cross arm, power pole cross arm.
Platen Electrical Cross Arm
One of the common cross arms,having a simple structure, its length depends on the application scenario, generally 500mm – 1200mm.
Universal Crossarm 8 Holes
The universal crossarm 8 holes can fix and suspend cables from various directions,porous design can make installation more convenient.
CrossArm Bracket 5/11/13/15 Holes
Used for the parallel deployment of overhead lines.The design of 5/11/13/15 holes can adapt to different electrical systems.Used on wooden poles, concrete poles, and galvanized poles.
Square Tube Extension for Pole
The square tube extension for poles, the main element is the extension pole body.This extension for poles used in the FTTH network,can install optical cables on existing utility poles.
Material of Electric Cross Arms
Wooden cross arms:
Wooden cross arms have low cost and are easy to install. But it is easily corrosive and invaded by insects and ants,so you need to maintain them regularly.
Steel Cross Arms:
Steel cross arms have strong metallic strength and they can last longer than wooden cross arms.
Galvanized Steel Cross Arms:
After hot-dip galvanizing treatment,add a layer of galvanized steel on the surface of the steel cross arms.Improved corrosion resistance and extended service life.
Composite Cross Arms:
These arms are made from fiberglass-reinforced polymer material,light weight and high strength.They have lower maintenance costs and time compared to wood and steel cross arms.
Aluminum cross arms:
The surface aluminum oxide can effectively prevent environmental corrosion,the weight is ⅓ that of steel cross arms.
Pole Line Hardware to Use with Electrical Cross Arm
When using the electrical cross arms, you may need other pole line hardware.
U Bolt for Holding Cross Head Bracket
U bolts can fix various components on the cross arms.
Support and Extension for Cross Head Bracket
Cross head brackets are extensions of cross arms,easy to install other components,and also used insulators for connecting power electrical towers.
Electrical Cross Arm Manufacturing Process
Hot dip galvanized – The hot dip galvanized process can improve corrosion resistance and can be used in coastal areas and humid environments.
Powder coated – Spray powder coating onto the surface of the electrical cross arm and bake it at high temperature to form a strong protective layer.
How to Choose Electrical Cross Arms?
Hebei crownwealth is a professional manufacturer and distributor of electric cross arms.Durability, usage cost, and environmental sustainability are all within our consideration range. If you are interested, please contact us for more detailed information.
Frequently Asked Questions (FAQs)
What is an electrical cross arm?
Electric cross arm is a supporting component in the power electrical system, used for fixing, hanging, and separating cables. Reduce cable vibration and protect cable safety.
What materials are used to make electrical cross arms?
Galvanized steel electric cross arms are a good choice for you. Low cost, high metal strength, and hot-dip galvanizing process ensure the stable operation of your power electrical system.
What is its role in Electrical and communication Lines?
Use electrical cross arms of different shapes or sizes in different scenarios.
Power lines are used to transmit electricity, while communication lines are used to transmit signals.
The cross arm is also used to fix the insulator on the electrical tower.
It can hang cables in the air to prevent cable damage.
It can arrange the power lines in a more organized manner with chaotic sorting.
