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Views: 0 Author: Site Editor Publish Time: 2025-08-27 Origin: Site
Every utility pole system requires not only primary hardware for conductors but also secondary support fittings that manage service lines, maintain spacing, and protect pole integrity. Two of the most important among these are the Secondary Rack and the Secondary Clevis. Together, they provide strong, reliable support for secondary conductors in distribution networks.
Without these components, wires could sag, tangle, or even cause outages. By using Secondary Racks and Secondary Clevises, power utilities ensure efficient and safe operation across overhead distribution systems.
•Secondary Rack:
A steel or aluminum bracket mounted on utility poles to support multiple secondary conductors. It maintains conductor spacing and alignment, ensuring safe and efficient power delivery.• Structure: Two grooved plates and stainless steel bolts to provide pressure and ensure contact.
• Secondary Clevis:
A connecting fitting that attaches secondary conductors or racks to the pole. It provides flexibility and strength, preventing mechanical stress on the wires and the pole.
When combined, the Secondary Rack and Secondary Clevis create a complete support system, often used alongside insulators, bolts, and pole line hardware fittings.
• Durable Materials: Hot-dip galvanized steel or ductile iron for corrosion resistance.
• Mechanical Strength: Designed to withstand heavy conductor loads.
• Compatibility: Works with porcelain or polymer insulators.
• Easy Installation: Mounted with bolts, lag screws, or pole bands.
• Safety: Maintains proper wire clearance, reducing risks of contact and outages.
These features make the Secondary Rack and Secondary Clevis indispensable for utility pole hardware systems.
Advantages of Using Secondary Rack and Secondary Clevis
1. Strong Conductor Support
Prevents sagging and maintains wire tension in secondary distribution lines.
2. Extended Service Life
Galvanized surfaces resist corrosion in coastal and industrial regions.
3. Improved Safety
By maintaining spacing, the Secondary Rack and Secondary Clevis reduce chances of short circuits.
4. Flexible Applications
Can be used in residential, commercial, and industrial utility pole systems.
5. Cost-Effective Hardware
Provides reliable performance at a lower cost compared with alternative solutions.
The Secondary Rack and Secondary Clevis are used across a wide variety of industries and power distribution systems. Their application fields include:
1. Utility Power Distribution
• The most common use of the Secondary Rack and Secondary Clevis is in secondary distribution networks where they support service conductors.
• They maintain spacing between wires, preventing contact during storms and wind.
2. Residential Power Supply
• In neighborhoods, the Secondary Rack is mounted on poles to hold service wires leading to households.
• The Secondary Clevis provides the connection between insulators and wires, ensuring safe load transfer.
3. Commercial and Industrial Power Systems
• For commercial buildings and factories, Secondary Racks and Clevises handle multiple parallel conductors.
• Their durability ensures reliable long-term service even under heavy electrical loads.
4. Street Lighting Systems
• Many street lighting circuits rely on Secondary Clevis fittings to secure wires safely.
• Secondary Racks also support additional service conductors on poles that carry lighting systems.
5.Renewable Energy Grids
• In solar farms and wind projects, Secondary Racks and Secondary Clevises are applied to support service conductors connecting renewable energy to local grids.
• They help maintain safety in rapidly growing green energy installations.
6. Rural Electrification Projects
• In developing areas, Secondary Racks and Secondary Clevises are often used for cost-effective and reliable secondary distribution.
• Their ability to resist harsh climates makes them suitable for remote environments.
Manufacturers ensure that Secondary Rack and Secondary Clevis products meet strict quality standards:
• Hot-Dip Galvanized Finish: Protection against rust and corrosion.
• Mechanical Load Tests: Verifying strength under heavy conductor weight.
• Standard Compliance: Meeting ANSI, IEC, and ASTM pole line hardware standards.
• Dimensional Accuracy: Ensuring perfect fit with bolts, bands, and insulators.
These measures guarantee that Secondary Rack and Secondary Clevis hardware perform reliably for decades.
Frequently Asked Questions
Q1: What is the main purpose of a Secondary Rack?
A: The Secondary Rack is designed to support and space multiple secondary conductors on a utility pole, preventing sagging and ensuring safe alignment in secondary distribution systems.
Q2: What does a Secondary Clevis do?
A: A Secondary Clevis serves as a connecting fitting between insulators, conductors, and racks. It provides flexibility, absorbs mechanical stress, and secures wires on utility pole hardware systems.
Q3: Are Secondary Racks and Secondary Clevises interchangeable?
A: No. The Secondary Rack supports wires, while the Secondary Clevis connects them to the pole. They complement each other but do not serve the same function.
Q4: Can these fittings be used in coastal or industrial regions?
A: Yes. Hot-dip galvanized Secondary Racks and Secondary Clevises are built to resist corrosion, making them suitable for harsh outdoor environments.
Q5: Do Secondary Rack and Secondary Clevis require regular maintenance?
A: Minimal. Once installed, these distribution line hardware fittings provide reliable service for decades with little attention.
Though often overlooked compared to conductors or insulators, the Secondary Rack and Secondary Clevis are fundamental parts of pole line hardware. They ensure safe spacing, strong support, and reliable connections in secondary distribution networks.
From residential power supply to renewable energy installations and street lighting systems, the Secondary Rack and Secondary Clevis provide strength, durability, and efficiency. Their galvanized steel construction and compliance with international standards guarantee long service life in diverse environments.
By choosing high-quality Secondary Rack and Secondary Clevis fittings, utilities and contractors not only improve safety but also lower long-term maintenance costs. In short, these fittings are the backbone of secondary conductor support in modern electrical infrastructure.
YUEQING REACON ELECTRIC CO., LTD. is committed to providing top-quality power fittings that meet global standards, supporting customers with professional solutions and long-term reliability.Click here to get the quotation.
