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7-Conductor 6.4mm Copper Cable - China Suppliers & Factory | AWG 23 with PP Insulation & Armor Wires
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7-Conductor 6.4mm Copper Cable - China Suppliers & Factory | AWG 23 with PP Insulation & Armor Wires

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1/4  6.4 mm

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7-CONDUCTOR, AWG 23 

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Copper  High-Quality Copper Conductor

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PP   Durable PP Insulation

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Filler   Effective Filler Material

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Protection   Comprehensive Protection Layer

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Inner  Inner Armor Wires for Enhanced Durability

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Outer  Outer Armor Wires for Increased Strength 

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This 1/4 (6.4 mm) 7-conductor wire is designed to meet the highest standards and is manufactured in China by trusted suppliers. Our factory utilizes top-grade materials including high-quality copper conductors and durable PP insulation, ensuring excellent performance and reliability. With additional features like effective fillers, comprehensive protection layers, and both inner and outer armor wires, this wire is built to withstand rigorous conditions. Choose our products for unbeatable quality and performance!

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    Contact us
    Product Details

    Construction
    Copper Construction 7×0.21 mm 7×0.0083"
    Insulation (PP) /mm /"
    Number and Size of Wires    
    Inner Armor 18×0.63 mm 18×0.0248"
    Outer Armor 18×0.89 mm 18×0.0350"
    Average Wire Breaking Strength    
    Inner Armor 582 N 131 lbs
    Outer Armor 1162 N 261 lbs
    Physical
    Cable Diameter 6.40 mm +0.13 mm / −0.05 mm 0.2520" +0.0051" / −0.0019"
    Cable Weight in Air 160 /km 107 lbs/kft
    1 hr. Max Temp 150 ℃ 300 °F
    8 hr. Max Temp 135 ℃ 300 °F
    Cont. Max Temp 121 ℃ 250 °F
    Mechanical
    Cable Breaking Strength 25 kN 5400 lbs
    Maximum Suggested Working Tension 12.5 kN 2800 lbs
    Minimum Shave Diameter 356 mm 14"
    Cable Stretch Coefficient 2.8 m/km/5kN 2.65 ft/kft/klbs
    Electrical
    Voltage Rating 300 VDC 300 VDC
    Insulation Resistance 15000 MΩ·km 50000 MΩ·kft
    Resistance Typical @ 20 ℃ 84.3 Ω/km 25.6 Ω/kft
    Capacitance @ 1kHz 140 pf/m 43 pf/ft
    ❓ Frequently Asked Questions
    Q What type of copper construction is used in this cable?
    The cable uses a 7×0.21 mm (7×0.0083") stranded copper construction, providing excellent conductivity and flexibility for downhole applications.
    Q What is the maximum continuous operating temperature of this cable?
    The cable supports a continuous maximum temperature of 121 ℃ (250 °F). For short-term operation, it can withstand up to 150 ℃ (300 °F) for 1 hour or 135 ℃ (300 °F) for 8 hours.
    Q What is the cable's breaking strength and recommended working tension?
    The cable has a total breaking strength of 25 kN (5,400 lbs). The maximum suggested working tension is 12.5 kN (2,800 lbs), which is 50% of the breaking strength — following standard safety practices for downhole operations.
    Q What is the voltage rating and insulation resistance of this cable?
    The cable is rated at 300 VDC. Its insulation resistance is 15,000 MΩ·km (50,000 MΩ·kft), ensuring excellent electrical isolation suitable for demanding well logging and downhole monitoring environments.
    Q What is the minimum shave (sheave) diameter required for this cable?
    The minimum sheave diameter for this cable is 356 mm (14 inches). Using a sheave smaller than this minimum can cause excessive bending stress, potentially damaging the armor wires and reducing the cable's service life.
    Q What is the cable's outer diameter and weight in air?
    The cable has an outer diameter of 6.40 mm (+0.13 mm / −0.05 mm), equivalent to 0.2520" (+0.0051" / −0.0019"). Its weight in air is approximately 160 kg/km (107 lbs/kft), making it suitable for deep-well deployment with standard wireline equipment.