Multicore Copper Conductor PVC Insulation Mining Cable Ground-Check
1. Application:
Use in stationary, horizontal, HV mine power, distribution circuits, for permanent
or semi-portable applications with power transmission in deep mines ,open pits,
tunnels, in conduit or duct, suitable for direct burial in wet or dry locations.
2. Construction:
Conductors: bare, soft drawn, annealed copper per ASTM B-3, compact stranded
per ASTM B-496.
Strand shield: extruded semi-conducting compound.
Insulation: flame resistant (90℃) cross-linked polyethylene (XLPE) ICEA S-75-381/NEMA WC-58.
Insulation shield: extruded semi-conducting compound. bare copper tape helically applied.
Color code: Black, White, Red nylon tracer tape applied between the insulation semi-conductive layer and the copper tape shield.
Ground wires: Uninsulated, soft drawn, annealed, compact stranded, bare copper per ASTM B-496, B-8 and B-33.
Ground check: soft drawn, soft drawn, annealed, compact stranded, bare copper with yellow EPR insulation.
Cabling: Three shielded conductors are assembled in a helical configuration with two uninsulated ground wires, one yellow insulated ground check and non-wicking fillers as needed .A woven nylon polyester reinforcement binder is served over the entire assembly for increased stability.
Reinforcement: A woven nylon polyester reinforcement binder is applied over the completed assembly for added core stability.
Jacket: Black flame retardant (90℃) PVC per ICEA S-75-381/NEMA WC-58. Available in optional colors .
3. Characteristics:
▪ Excellent resistance to oil , water, solvents, corrosives, sunlight, aging, cuts,
tears and abrasions
• Resistant to most oils and chemicals, good cut, tear and abrasion resistance.
▪ MP-GC is suitable for all horizontal mine power distribution, messenger assisted
high line transmission and direct burial in wet or dry locations requiring MSHA flame
and/or UL approval listings.
▪ Jacket will have permanent marking via indent printed legend.
4. Standard:
Meets or exceeds ICEA requirements as applicable for ICEA S-75-381/NEMA WC 58,
ASTM B-3.MSHA listed; passes MSHA flame test.
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