Cold Shrink Cable Accessories Abandonment Kit and Joint
- Reference standards:
- JB/T7829,JB/T 7830
- AC Withstand Voltage for 5 min:
- 8 kV,no breakdown
- Heating Cycles Test in Air:
- 4.5 kV, heating cycles at least 8 h, 95–100 ℃ for at least 2 h, natural cooling for at least 3 h, total 30 heating cycles
- Heating Cycles Test Under Water:
- 4.5 kV, heating cycles at least 8 h, 95–100 ℃ for at least 2 h, natural cooling for at least 3 h, total 30 heating cycles
- AC Withstand Voltage:
- 7.2 kV,4 h no breakdown
Moisture ingress and thermal expansion frequently cause insulation failure in underground power grids. High-grade cold shrink cable accessories eliminate these operational hazards through active radial compression. Pre-expanded liquid silicone rubber sleeves retract directly onto XLPE or EPR power lines upon core removal, establishing a permanent environmental seal without open flames.
Technical Specifications of Cold Shrink Cable Accessories
| Parameter | Technical Value | Testing Standard |
|---|---|---|
| Rated Voltage | 0.6/1 kV to 35 kV | IEC 60502-4 |
| Dielectric Strength | 22 kV/mm minimum | ASTM D149 |
| Elongation at Break | 550% minimum | ISO 37 |
| Volume Resistivity | 1×1014Ω⋅cm | IEC 60093 |
| Continuous Temperature | -50°C to +110°C | IEEE 404 |
Functional Advantages in Power Distribution
Sealing De-energized Lines
During grid maintenance or phased construction, an exposed conductor invites water treeing and corrosion. A specialized cable abandonment kit isolates de-energized lines from ground moisture and chemical contaminants. The elastomeric sleeve contracts tightly around the Prepared end, maintaining stable insulation resistance until future grid expansion.
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Flame-Free Deployment: Eliminates hot-work permits inside petrochemical plants, utility tunnels, and mines.
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Constant Radial Pressure: Expands and contracts alongside load cycles, preventing interfacial air voids.
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Hydrophobic Surface: Repels underground water, acid, and alkali corrosion in direct-buried trenches.
Splicing and Insulation Recovery
Splicing underground lines requires precise electrical stress control and mechanical protection. Installing a cold shrink cable joint restores full dielectric integrity across spliced conductors. The integrated stress cone distributes the electric field evenly, preventing partial discharge at the insulation shield cutback.
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Strip the outer sheath and semiconductor layer according to precise dimensional tolerances.
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Crimp the mechanical shear-bolt connector and wrap void-filling mastic over metallic edges.
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Position the pre-expanded cold shrink joint body over the splice center and unwind the spiral support core counter-clockwise.
Selecting certified, factory-tested insulation assemblies minimizes grid downtime. Request a customized specification sheet or contact the engineering team to match exact conductor cross-sections for upcoming power distribution projects.
0.6/1 kV Fully Cold Shrink Three-Core Terminal – Installation Outline Drawing
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| 0.6/1 kV Five-Core Cold Shrink Terminal – Supporting Drawing | 0.6/1 kV Five-Core Cold Shrink Joint – Supporting Drawing |
Electrical Performance Tests
| No. | Test Item | Standard Requirements |
| 1 | AC Withstand Voltage for 5 min | 8 kV,no breakdown |
| 2 | Heating Cycles Test in Air | 4.5 kV, heating cycles at least 8 h, 95–100 ℃ for at least 2 h, natural cooling for at least 3 h, total 30 heating cycles |
| 3 | Heating Cycles Test Under Water | 4.5 kV, heating cycles at least 8 h, 95–100 ℃ for at least 2 h, natural cooling for at least 3 h, total 30 heating cycles |
| 4 | AC Withstand Voltage | 7.2 kV,4 h no breakdown |
| 5 | Reference Standards | JB/T7829,JB/T 7830 |
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.
Technical Data - Model Selection
| Product Type | Model | Conductor Cross-section(mm²) | Product Type | Model | Conductor Cross-section(mm²) |
| 0.6/1 kV Single-Core Cold Shrink Termination | GHD-1LS-1*10-16 | 10-16 | 0.6/1 kV Single-Core Cold Shrink Joint | GHD-1JTLS-1*10-16 | 10-16 |
| GHD-1LS-1*25-50 | 25-50 | GHD-1JTLS-1*25-50 | 25-50 | ||
| GHD-1LS-1*70-120 | 70-120 | GHD-1JTLS-1*70-120 | 70-120 | ||
| GHD-1LS-1*150-240 | 150-240 | GHD-1JTLS-1*150-240 | 150-240 | ||
| GHD-1LS-1*300-400 | 300-400 | GHD-1JTLS-1*300-400 | 300-400 | ||
| 0.6/1 kV Two-Core Cold Shrink Termination | GHD-1LS-2*10-16 | 10-16 | 0.6/1 kV Two-Core Cold Shrink Joint | GHD-1JTLS-2*10-16 | 10-16 |
| GHD-1LS-2*25-50 | 25-50 | GHD-1JTLS-2*25-50 | 25-50 | ||
| GHD-1LS-2*70-120 | 70-120 | GHD-1JTLS-2*70-120 | 70-120 | ||
| GHD-1LS-2*150-240 | 150-240 | GHD-1JTLS-2*150-240 | 150-240 | ||
| GHD-1LS-2*300-400 | 300-400 | GHD-1JTLS-2*300-400 | 300-400 | ||
| 0.6/1 kV Three-Core Cold Shrink Termination | GHD-1LS-3*10-16 | 10-16 | 0.6/1 kV Three-Core Cold Shrink Joint | GHD-1JTLS-3*10-16 | 10-16 |
| GHD-1LS-3*25-50 | 25-50 | GHD-1JTLS-3*25-50 | 25-50 | ||
| GHD-1LS-3*70-120 | 70-120 | GHD-1JTLS-3*70-120 | 70-120 | ||
| GHD-1LS-3*150-240 | 150-240 | GHD-1JTLS-3*150-240 | 150-240 | ||
| GHD-1LS-3*300-400 | 300-400 | GHD-1JTLS-3*300-400 | 300-400 | ||
| 0.6/1 kV Four-Core Cold Shrink Termination | GHD-1LS-4*10-16 | 10-16 | 0.6/1 kV Four-Core Cold Shrink Joint | GHD-1JTLS-4*10-16 | 10-16 |
| GHD-1LS-4*25-50 | 25-50 | GHD-1JTLS-4*25-50 | 25-50 | ||
| GHD-1LS-4*70-120 | 70-120 | GHD-1JTLS-4*70-120 | 70-120 | ||
| GHD-1LS-4*150-240 | 150-240 | GHD-1JTLS-4*150-240 | 150-240 | ||
| GHD-1LS-4*300-400 | 300-400 | GHD-1JTLS-4*300-400 | 300-400 | ||
| 0.6/1 kV Five-Core Cold Shrink Termination | GHD-1LS-5*10-16 | 10-16 | 0.6/1 kV Five-Core Cold Shrink Joint | GHD-1JTLS-5*10-16 | 10-16 |
| GHD-1LS-5*25-50 | 25-50 | GHD-1JTLS-5*25-50 | 25-50 | ||
| GHD-1LS-5*70-120 | 70-120 | GHD-1JTLS-5*70-120 | 70-120 | ||
| GHD-1LS-5*300-400 | 150-240 | GHD-1JTLS-5*150-240 | 150-240 | ||
| GHD-1LS-5*300-400 | 300-400 | GHD-1JTLS-5*300-400 | 300-400 |
