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Cable Accessories

Your Professional Cable Accessories Manufacturer!

Yangzhou Skyee Smart Gird Technology Co.,Ltd. was established in 2001 and is headquartered in Shenzhen, China, our company pioneered the design and manufacturing of the first-generation preformed cable fittings production line, dedicated to producing preformed helical fittings. Our professional fields include R&D, production, sales and engineering support of optical fiber, optical cable and accessories, pre-twisted spiral fittings, power/communication/railway system fittings and high-voltage optoelectronic integrated products.

Why Choose Us

Product Application
Installation of ADSS/OPGW cables, Railway electrification infrastructure, Smart grids, and optical communication networks, alongside comprehensive protection solutions.

Production Equipment
Equipped with state-of-the-art facilities, our production lines cover:
1. Preformed wire processing (forming, grouping, adhesive coating, curing, sand coating, stranding, and bending).
2. Die-casting,
3. Stamping,
4. Forging,
5. Hot-dip galvanizing processes.

Production Market
State Grid Corporation of China, China Southern Power Grid, and exported to Southeast Asia, Africa, South America, North America and other markets.

Our service
We provide end-to-end services including system design, installation, maintenance and technical consulting for communications infrastructure and smart grid projects.

Types of Cable Accessories

The cable accessories produced by our company mainly include the following types:

Down Lead Clamps

Down Lead Clamps are specialized power line hardware used to securely connect and fasten lightning protection down conductors (from lightning rods, overhead ground wires like OPGW/ADSS/GJ, or equipment) to grounding systems (such as flat steel bars, round steel bars, grounding down conductors, or grounding grids).

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Slack Storage Bracket

The optical cable remaining rack is used to place the surplus optical cable when the optical cable is connected. Its main technical parameter is the diameter of the remaining cable rack (mm). Generally, each connector box is equipped with a remaining cable rack.

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Advantages of Down Lead Clamps

Excellent Electrical Conductivity
Made of high-conductivity metals (copper, aluminum) or materials compatible with down conductors (e.g., galvanized steel), ensuring low contact resistance and minimal energy loss.

Providing Robust Mechanical Fixation
Firmly grips down conductors (typically round steel rods, copper/aluminum stranded wires, or OPGW cables) to prevent loosening or detachment due to wind, vibration, or mechanical stress.

Adapting to Diverse Installation Scenarios
Compatible with various installation methods (e.g., welding, bolting, clamping) and grounding conductor materials (flat/round steel).

Corrosion Resistance & Durability
Manufactured from corrosion-resistant materials (e.g., hot-dip galvanized steel, stainless steel, copper alloys) for harsh outdoor environments.

Easy Installation
Designed for field convenience (e.g., standard wrench operation).
Wedge-type clamps enable tool-free or rapid installation.

Versatile Structural Designs
Single/Double-Bolt Compression Type: Most common; uses bolt torque to clamp conductors.
Wedge-Type: Utilizes self-locking wedges for quick installation (ideal for OPGW/stranded wires).
Welding Base Type: Base designed for direct welding to flat/round steel grounding electrodes.
Adjustable/Universal Type: Accommodates varying conductor diameters within a range.
Parallel Groove Type: Joins two parallel conductors (e.g., down conductor to grounding conductor).

Application of Down Lead Clamps

1. Power Systems
Substations/Converter Stations: Connecting lightning rods, surge arresters, equipment enclosures, structures, and OPGW terminations to grounding grids.
Transmission Lines: Bonding overhead ground wire (OGW) down conductors to tower grounding systems.
Distribution Networks: Grounding transformers, pole-mounted switches, and surge arresters.

2. Telecommunications
Base Stations (Towers): Grounding lightning rod down conductors and feeder lines.
Fiber Optic Networks: Terminating ADSS/OPGW down conductors at poles or towers.

3. Building Lightning Protection
Connecting rooftop lightning mesh/catenary wire down conductors to foundation electrodes or grounding systems.
Grounding large metal structures (billboards, water tanks, railings).

4. Industrial Facilities
Explosive/hazardous environments (chemical plants, oil depots): Lightning protection & static grounding.
Grounding industrial equipment (chimneys, pipelines, storage tanks).

5. Transportation Infrastructure
Railways (signaling systems, overhead line poles, substations).
Airports (terminals, radar stations, navigation equipment).
Highways (surveillance systems, toll stations, tunnels).

6. Renewable Energy
Wind turbines (tower, nacelle lightning protection down conductors).
Solar farms (PV module frames, combiner boxes, inverters).

Advantages Of Slack Storage Bracket

Slack Management
Systematically coils and stores surplus cable (e.g., fiber optic jumpers, Ethernet cables, power cords) that exceeds the immediate connection length, providing necessary flexibility for maintenance and equipment movement.

Orderly Containment
Features structures like U-channels, spools, posts, or finger ducts to neatly constrain loose cables in a fixed position.

Cable Protection
Prevents Tangling: Secures cables to avoid knots and cross-cable interference.
Avoids Crushing: Keeps cables clear of cabinet doors, equipment, or pinch points.

Controls Bend Radius
Critically, coils cables in large-radius loops (often figure-8 style) to strictly maintain the cable's minimum bend radius (especially vital for fiber optics to prevent signal attenuation or permanent damage).

Enhanced Organization
Creates a clean, professional, and visually accessible layout within cabinets, racks, or enclosures.

Simplified Maintenance
Allows technicians to easily access, release, and re-secure the required cable length during servicing, upgrades, or reconfiguration.

Space Optimization
Frees up valuable space within the equipment area by consolidating slack, improving airflow for thermal management.

Application Of Slack Storage Bracket

Typical Location

Mounted internally on cabinet/rack vertical rails, equipment mounting panels, or within specific devices (e.g., fiber optic patch panels, termination boxes).

Common Use Cases
Fiber Optic Patch Panels / Termination Boxes (managing fiber pigtails & jumpers).

Network Equipment Racks (routers, switches - organizing Ethernet cable slack).

Server Cabinets (managing power cords, KVM cables, network cables).

Power Distribution Units (PDUs) / Electrical Enclosures (securing power cable slack - consider current rating & heat dissipation).

General communication equipment housings.

Common Types
Fixed: Permanently secured to the mounting surface.

Rotating/Pivoting: Swivels to facilitate cable access from different angles.

Slide-Out: Mounted on rails, extending with the equipment for improved rear access.

Packaging and Shipping

1.Normal Package:Inner bag + carton
2.Specific packaging can be made to order.

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FAQ

Q: Can u provide us with samples?

A: Yes, we can provide 1-2 pieces free samples, But u should pay express cost or u provide us with express account number.

Q: If we need customized/OEM product,Can u supply?

A: Yes,Customized/OEM product/artwork is available for us.Professional designers,Advanced technicians and mold modifications department ensure that we will make the exact model for u accordingly.

Q: What payment terms available for u?

A: If order amount less than 10000USD,100% T/T;If amount more than 10000USD,30%T/T in advance plus 70%T/T before shipment.

Q: What is ur delivery time?

A: Normally, it will be shipped within two weeks after prepayment; if the order is large, it will take one month, depending on the order quantity.

Q: Do I need any safety wear when installing a Down lead clamp?

A: Yes, whenever you are dealing with any pole line hardware, you must have the right safety gear. You may need gloves, helmets, overalls, etc.

Q: Can I reuse a Down lead clamp?

A: I will not recommend this. However, if you try it out and it works, that is fine.Just make sure you always have a new Down lead clamp for a new tower or pole.This way, you will definitely get the right grip.Old or already used Down lead clamps may loosen frequently, they may not hold the cables well.

Q: How do you install a slack storage bracket?

A: Installation methods vary based on the bracket type and mounting location, such as a pole, wall, or ADSS cable. Generally, the bracket is secured to the mounting surface. Then, the excess cable is carefully coiled and secured to the bracket, ensuring the proper bend radius is maintained.

Q: Are slack storage brackets adjustable?

A: Yes, some brackets offer adjustable storage diameter or positions (closed, extended, open) to accommodate different cable lengths and fiber counts.

Q: How do you choose the right slack storage bracket?

A: Consider the material based on the environment and needed durability. Select the appropriate bracket based on the application, such as pole mount or wall mount. Consider the cable size and fiber count to ensure adequate storage capacity.

Q: How do you maintain slack storage brackets?

A: Regularly inspect the bracket for any signs of damage or looseness. Clean the surface of the bracket to remove dirt and prevent corrosion. Check the fiber optic cable for wear or damage.

As one of the most professional cable accessories manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy bulk cable accessories made in China here from our factory.

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