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High-Quality 7-Conductor Copper Cable 15/32 11.8mm - China Suppliers & Factory Direct Supply
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High-Quality 7-Conductor Copper Cable 15/32 11.8mm - China Suppliers & Factory Direct Supply

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15/32  11.8 mm

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7-CONDUCTOR, AWG 20 

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Copper  High-quality Copper Conductor for enhanced conductivity and reliability.

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FEP    Durable FEP Insulation, offering excellent thermal stability and chemical resistance.

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Semi-conducting    Semi-conducting Shield Layer designed to reduce interference and ensure signal integrity.

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Semi-conducting    Semi-conducting Filler enhances performance by maintaining consistent electrical properties.

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Semi-conducting    Additional Semi-conducting Shield Layer for superior protection against external noise.

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Inner  Inner Armor Wires provide extra durability and mechanical protection.

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Outer  Outer Armor Wires enhance overall cable resilience in demanding environments.

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This product is supplied by leading suppliers in China, showcasing the reliability and quality of our manufacturing factory. Our 7-conductor cable is engineered with precision to meet the highest standards in the industry, ensuring excellent performance and longevity.

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    Contact us
    Product Details

    Parameter Metric Imperial
    Construction
    Copper Construction 7×0.33 mm 7×0.0129"
    Insulation (FEP) 2.48 mm 0.0976"
    Shield 2.50 mm 0.0988"
    Number and Size of Wires — —
    Inner Armor 24×1.00 mm 24×0.0389"
    Outer Armor 24×1.26 mm 24×0.0496"
    Average Wire Breaking Strength — —
    Inner Armor 1,696 N 382 lbs
    Outer Armor 2,692 N 606 lbs
    Physical
    Cable Diameter 11.80 mm +0.13 / −0.05 mm 0.4645" +0.0051" / −0.0019"
    Cable Weight in Air 509 kg/km 341 lbs/kft
    1 hr. Max Temp 232 ℃ 450 °F
    8 hr. Max Temp 216 ℃ 421 °F
    Cont. Max Temp 200 ℃ 392 °F
    Mechanical
    Cable Breaking Strength 100 kN 22,500 lbs
    Maximum Suggested Working Tension 50 kN 11,250 lbs
    Minimum Shave Diameter 504 mm 20"
    Cable Stretch Coefficient 0.8 m/km/5kN 0.714 ft/kft/klbs
    Electrical
    Voltage Rating 1200 VDC 1200 VDC
    Insulation Resistance 15,000 MΩ·km 50,000 MΩ·kft
    Resistance Typical @ 20 ℃ 33 Ω/km 10 Ω/kft
    Capacitance @ 1 kHz 130 pF/m 40 pF/ft
    ? Frequently Asked Questions
    Q What type of insulation material is used in this cable, and why is FEP chosen?
    This cable uses FEP (Fluorinated Ethylene Propylene) insulation with a diameter of 2.48 mm. FEP is selected for its excellent thermal stability, low dielectric constant, and resistance to harsh chemical environments — making it ideal for high-temperature downhole applications where continuous exposure to fluids and heat is expected.
    Q What is the maximum temperature this cable can withstand during continuous operation?
    The cable is rated for a continuous maximum temperature of 200 ℃ (392 °F). For short-duration exposures, it can handle up to 216 ℃ (421 °F) for 8 hours and up to 232 ℃ (450 °F) for 1 hour, providing flexibility for varying downhole thermal conditions.
    Q What is the cable breaking strength and recommended working tension?
    The cable has a total breaking strength of 100 kN (22,500 lbs). The maximum suggested working tension is 50 kN (11,250 lbs), which represents 50% of the breaking strength — a standard safety margin applied in oil and gas well intervention operations to prevent mechanical failure during deployment and retrieval.
    Q What is the voltage rating and insulation resistance of this cable?
    The cable is rated at 1200 VDC with an insulation resistance of 15,000 MΩ·km (50,000 MΩ·kft). These electrical characteristics ensure reliable signal and power transmission in downhole logging tools while maintaining safe isolation in high-pressure, high-temperature well environments.
    Q What is the difference between the inner armor and outer armor in terms of strength?
    The inner armor consists of 24 wires at 1.00 mm diameter, each with an average breaking strength of 1,696 N (382 lbs). The outer armor uses 24 wires at 1.26 mm diameter, providing a higher breaking strength of 2,692 N (606 lbs) per wire. The dual-armor design distributes mechanical load and provides enhanced protection against abrasion and crushing in demanding wellbore conditions.
    Q What is the minimum shave (sheave) diameter required for this cable and why does it matter?
    The minimum sheave diameter for this cable is 504 mm (20"). Using a sheave smaller than this specification can cause excessive bending stress on the armor wires and copper conductors, leading to premature fatigue, micro-fractures, or complete cable failure. Always ensure that surface and downhole equipment sheaves meet or exceed this minimum diameter requirement.