Cold Shrink Cable Accessories End Caps Joint Kit Tube Price
- Power Frequency Withstand Voltage:
- 54 kV, 5 min, No Breakdown
- Partial Discharge Test:
- Partial Discharge Magnitude≤ 10 pC at 20 kV
- Impulse Voltage Test:
- 125 kV, 10 positive and 10 negative impulses, no breakdown
- Constant Voltage Load Cycling Test (in Air):
- 35 kV, conductor temperature 95–100 ℃, total 60 cycles, no breakdown, no flashover
- Thermal Stability Test (185 mm² Conductor):
- 23.4 kA, 2 s, twice, no visible damage
- Dynamic Stability Test:
- 82.6 kA, ≥ 10 ms, no visible damage
- Moisture Test (Indoor):
- 15 kV, 300 h, no breakdown, no flashover
- Salt Spray Test (Outdoor):
- 15 kV, 1000 h, no breakdown, no flashover
Electrical network failures frequently trace back to compromised insulation at connection points. Eliminating open-flame heating requirements, a cold shrink cable setup applies uniform radial pressure instantly upon core removal. This active memory expansion creates a permanent, void-free environmental seal across medium-voltage terminations. Integrating premium Cold Shrink Cable Accessories establishes immediate dielectric stability across demanding indoor and outdoor installations.
Defeating Environmental Hazards
Sub-surface conduits and aerial distribution lines face constant exposure to standing water, high humidity, and contamination.
Deploying durable cold shrink cable end caps locks out moisture from de-energized line ends during transit or site staging. The inherent memory-retention properties of liquid silicone rubber maintain a tight, continuous grip. This prevents oxidation and electrical tracking without requiring specialized heating tools or hot-work permits.
Accelerating Splicing Operations
Lengthy preparation and sealing procedures drive up labor costs and extend power outage times. A modern cold shrink cable jointing kit accelerates this process through integrated component design. Stripping the spiral plastic support structure triggers automatic, uniform contraction over prepared conductors.
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Consistent Insulation: Guarantees uniform wall thickness across the entire splice footprint.
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Stress Management: Incorporates built-in geometric stress control to handle high electric fields.
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Thermal Stability: Accommodates rapid conductor expansion during peak electrical loading.
Technical Specifications
The following mechanical and electrical ratings dictate performance across standard medium-voltage infrastructure:
| Parameter | Specification Benchmark | Test Standard |
|---|---|---|
| Rated Voltage | 12/20 kV to 18/20 kV | IEC 60502-4 |
| Dielectric Strength | ≥ 20 kV/mm | ASTM D149 |
| Tensile Strength | ≥ 8.5 MPa | ASTM D412 |
| Elongation at Break | ≥ 650% | ASTM D412 |
| Volume Resistivity | ≥ 1.0 × 10¹⁴ Ω·cm | ASTM D257 |
Evaluating the actual cold shrink tube price extends far beyond the initial material quote. Rapid, tool-free contraction drastically cuts installation labor hours while eradicating on-site heating risks. Because high-grade silicone formulations resist UV degradation and maintain elasticity through severe temperature fluctuations, these sealing components deliver uninterrupted power delivery and measurable cost efficiency across comprehensive project deployments.
12/20, 18/20 kV Fully Cold Shrink Three-Core Terminal – Installation Outline Drawing
Electrical Performance Tests
| No. | Test Item | Standard Requirements |
| 1 | Power Frequency Withstand Voltage | 54 kV, 5 min, No Breakdown |
| 2 | Partial Discharge Test | Partial Discharge Magnitude≤ 10 pC at 20 kV |
| 3 | Impulse Voltage Test | 125 kV, 10 positive and 10 negative impulses, no breakdown |
| 4 | Constant Voltage Load Cycling Test (in Air) | 35 kV, conductor temperature 95–100 ℃, total 60 cycles, no breakdown, no flashover |
| 5 | Thermal Stability Test (185 mm² Conductor) | 23.4 kA, 2 s, twice, no visible damage |
| 6 | Dynamic Stability Test | 82.6 kA, ≥ 10 ms, no visible damage |
| 7 | Moisture Test (Indoor) | 15 kV, 300 h, no breakdown, no flashover |
| 8 | Salt Spray Test (Outdoor) | 15 kV, 1000 h, no breakdown, no flashover |
Product overview
◆The product is available in single-core, two-core, three-core, four-core, and five-core versions, and has been widely used for low-voltage cable terminations and intermediate connections.
◆Excellent surface hydrophobicity, ensuring the product maintains strong resistance to contamination.
◆Compact size, lightweight, and reliable performance.
◆Application Scope: The product demonstrates excellent cold and heat resistance, making it particularly suitable for high-altitude, cold, humid, salt-spray, and heavily polluted environments.
Installation requires no open flame, making it ideal for flammable and explosive areas such as petroleum, chemical, mining, and tunneling sites.
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| 12/20 kV Single-Core Cold Shrink Indoor Termination – Installation Drawing | 12/20 kV Three-Core Cold Shrink Outdoor Termination – Installation Drawing | 12/20 kV Three-Core Cold Shrink Outdoor Termination – Supporting Drawing | 12/20 kV Three-Core Cold Shrink Intermediate Connection – Supporting Drawing |
Technical Data - Model Selection
| Product Type | Model | Conductor Cross-section(mm²) |
| 12/20 kV Cold Shrink Indoor Termination | GHD-20HNLS-3(1)*35-500 | 35-500 |
| 12/20 kV Cold Shrink Outdoor Termination | GHD-20HWLS-3(1)*35-500 | 35-500 |
| 12/20 kV Cold Shrink Joint | GHD-20JTLS-3(1)*35-500 | 35-500 |
| 18/20 kV Cold Shrink Indoor Terminationl | GHD-24HNLS-3(1)*35-630 | 35-630 |
| 18/20 kV Cold Shrink Outdoor Termination | GHD-24HWLS-3(1)*35-630 | 35-630 |
| 18/20 kV Cold Shrink Joint | GHD-24JTLS-3(1)*35-630 | 35-630 |
