
Product Overview
Type G-GC (SHD-GC) Portable Mining Cable delivers 2000V power transmission for extreme mining environments. Featuring flat parallel construction with integrated ground-check monitoring, EPR insulation, and heavy-duty CPE jacket, it meets MSHA/ICEA S-75-381 for trailing applications in mines. Rated for 90°C operation with unmatched crush/abrasion resistance.
Core Construction
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Conductor System:
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Power Conductors (3): Rope-lay-stranded coated copper (6AWG to 500kcmil; ASTM B172)
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Ground Conductor: Shaped copper w/green elastomer
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Ground-Check: Yellow-insulated copper
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Color ID: Black/White/Red (phase) + Green (ground) + Yellow (ground-check)
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Insulation/Jacket:
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Insulation: Ethylene Propylene Rubber (EPR)
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Jacket: Lead-cured Chlorinated Polyethylene (CPE)
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Complete Technical Specifications
No.of cond. | Conductor Size | Stranding | Ground Size | Ground Check | Insulation Thick. (mm) | Diameter (mm) | Copper Content (kg/km) | Net Weight (kg/km) |
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3 | 10 AWG | 104/30 | 2×12 AWG | 12 AWG | 1.524 | 19.050 | 233 | 800 |
3 | 8 AWG | 133/29 | 2×10 AWG | 10 AWG | 1.524 | 22.987 | 379 | 893 |
3 | 6 AWG | 259/30 | 2×10 AWG | 10 AWG | 1.524 | 26.035 | 519 | 1153 |
3 | 4 AWG | 259/28 | 2×9 AWG | 10 AWG | 1.524 | 27.816 | 783 | 1600 |
3 | 2 AWG | 259/26 | 2×7 AWG | 8 AWG | 1.524 | 33.020 | 1248 | 2344 |
3 | 1 AWG | 259/25 | 2×6 AWG | 8 AWG | 2.032 | 37.973 | 1548 | 2827 |
3 | 1/0 AWG | 259-24 | 2×5 AWG | 8 AWG | 2.032 | 40.894 | 2098 | 3720 |
3 | 2/0 AWG | 259/23 | 2×4 AWG | 8 AWG | 2.032 | 43.942 | 2388 | 4464 |
3 | 4/0 AWG | 259/21 | 2×2 AWG | 8 AWG | 2.032 | 51.054 | 3757 | 6250 |
3 | 250 kcmil | 627/24 | 2×1 AWG | 8 AWG | 2.413 | 60.706 | 4345 | 7613 |
3 | 350 kcmil | 855/24 | 2×1/0 AWG | 8 AWG | 2.413 | 68.072 | 6093 | 10980 |
3 | 500 kcmil | 1235/24 | 2×3/0 AWG | 8 AWG | 2.413 | 76.962 | 8526 | 12224 |
Ampacity ratings per NEC 400.5 @ 90°C available upon request
Product Advantages
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Ground Safety System
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Real-time ground-check monitoring prevents electrocution hazards
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Exceeds MSHA 30 CFR §75.900 grounding requirements
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Extreme Durability
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Flat parallel design withstands 2,000+ lbs crush load (3× round cables)
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CPE jacket resists abrasion/cut-through >1,500 psi
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Harsh Environment Resilience
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Operational range: -40°C to 90°C
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Resists oils, chemicals, steam, and UV degradation
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Regulatory Compliance
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MSHA-approved flame resistance
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ICEA S-75-381 certified for mining trailing applications
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Reduced Downtime
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15,000 hours operational life in high-abrasion zones
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40% lower replacement frequency vs. PVC cables
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Optimized Installation
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Shaped cores prevent conductor migration
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Minimum bend radius = 6× cable diameter
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Applications
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Underground Mining: Continuous miners • Shuttle cars • Roof bolters
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Surface Mining: Draglines • Excavators • Haul trucks
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Critical Circuits: Pump stations • Ventilation systems • Emergency power
Compliance
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Standards: ICEA S-75-381
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Safety: MSHA Acceptance
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Testing: IEEE 1202 Flame Resistance • ICEA T-28-562
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Materials: RoHS • REACH
Engineering Selection Guide
Parameter | Requirement | G-GC Solution |
---|---|---|
Crush Resistance | High (e.g., vehicle runovers) | Flat parallel design |
Ground Monitoring | Mandatory per MSHA | Integrated ground-check |
Voltage | ≤2000V | 2000V EPR insulation |
Temperature | -40°C to +90°C | Full operational range |
Chemical Exposure | Oils/solvents present | CPE jacket resistance |