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Transmission Line Hardware Fittings,Insulator Fittings,Substation Fittings

Does Transmission Line Hardware Fitting Contain Insulators Fittings & Substation Fittings?

Date:2025-04-25Tags:Transmission Line Hardware Fittings,Insulator Fittings,Substation Fittings
1. Transmission Line Hardware Fittings
✅ Function:
Support and connect conductors, insulators, and towers in overhead transmission lines.

🧩 Key Features:
Withstand mechanical stress from tension, wind, and conductor weight
Often installed on towers/poles along long distances
Includes protective devices to reduce vibration and corona discharge

🔧 Examples:
Suspension clamps, strain clamps
Vibration dampers, spacer dampers
Corona rings, armor rods
Yoke plates, U-bolts, shackles

📍 Location:

Along overhead transmission lines between substations or power plants

2. Insulator Fittings (A Subcategory of Both Line and Substation Hardware)
✅ Function:
Connect insulators to conductors, towers, or substation equipment, while maintaining mechanical support and electrical insulation.

🧩 Key Features:
Must work with porcelain, glass, or polymer insulators
Must prevent flashover and ensure safe mechanical loading
Used in both overhead lines and substations

🔧 Examples:
Ball and socket fittings
Clevis, eye, tongue ends
Cap and pin connectors
Yoke plates (in insulator strings)

📍 Location:
On insulator strings in transmission lines and substations
Where insulators are mounted between live and grounded components
3. Substation Fittings

✅ Function:

Support, connect, and protect busbars, insulators, disconnectors, circuit breakers, transformers, and other equipment in substations.


🧩 Key Features:

  • Designed for stationary setups with high voltage equipment

  • Focus on precise alignment, compact design, and high durability

  • Usually heavier-duty than line fittings

🔧 Examples:

  • Busbar clamps

  • Post insulator connectors

  • Terminal connectors

  • Expansion connectors

  • Tube and strap fittings

  • Substation yoke plates

📍 Location:

Inside electrical substations, including:

  • Transmission substations

  • Distribution substations

  • Switching stations

📞 +86 15274981317
📧 info@nooaelectric.com
🤝 Nooa Electric - China Leading Glass Insulator and Fitting Manufacturer

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