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8.0 mm 3-Conductor Copper Cable - China Suppliers Factory Direct W3BP-8.0
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8.0 mm 3-Conductor Copper Cable - China Suppliers Factory Direct W3BP-8.0

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5/16  8.0 mm

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3-CONDUCTOR, AWG 20 

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Copper  High-Quality Copper Conductor for Enhanced Performance

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PP   PP Insulation Offers Superior Protection

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Semi-conducting   Innovative Semi-conducting Filler for Optimal Functionality

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Semi-conducting   Advanced Semi-conducting Shield Layer to Reduce Interference

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Inner  Durable Inner Armor Wires for Enhanced Strength

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Outer  Outer Armor Wires Provide Maximum Protection 

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This 5/16 (8.0 mm) cable features a robust 3-conductor design with AWG 20 specifications, making it ideal for various applications. Sourced from reliable suppliers in China, our factory ensures that all materials meet high standards of quality and durability. With components such as copper conductors, PP insulation, and advanced shielding technology, this product guarantees performance and longevity. Enhance your projects with proven reliability from our trusted factory in China.

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    Contact us
    Product Details

    Construction
    Copper Construction 7 × 0.32 mm 7 × 0.0129"
    Insulation (PP) 1.86 mm 0.0732"
    Number and Size of Wires    
    Inner Armor 18 × 0.81 mm 18 × 0.0319"
    Outer Armor 18 × 1.11 mm 18 × 0.0437"
    Average Wire Breaking Strength    
    Inner Armor 963 N 216 lbs
    Outer Armor 1808 N 406 lbs
    Physical
    Cable Diameter 8.0 mm +0.13 / −0.05 mm 0.3150" +0.0051" / −0.0019"
    Cable Weight in Air 255 g/km 171 lbs/kft
    1 hr. Max Temp 150 ℃ 300 °F
    8 hr. Max Temp 135 ℃ 275 °F
    Cont. Max Temp 121 ℃ 250 °F
    Mechanical
    Cable Breaking Strength 45 kN 10,100 lbs
    Maximum Suggested Working Tension 22.5 kN 5,050 lbs
    Minimum Shave Diameter 450 mm 18"
    Cable Stretch Coefficient 1.35 m/km/5kN 1.2 ft/kft/klbs
    Electrical
    Voltage Rating 1000 VDC 1000 VDC
    Insulation Resistance 15,000 MΩ·km 50,000 MΩ·kft
    Resistance Typical @ 20 ℃ 33 Ω/km 10 Ω/kft
    Capacitance @ 1 kHz 175 pF/m 53 pF/ft
    Frequently Asked Questions
    Q What is the maximum continuous operating temperature of this cable?
    The cable supports a continuous maximum temperature of 121 ℃ (250 °F). For short-duration operations, it can withstand up to 135 ℃ (275 °F) for 8 hours and up to 150 ℃ (300 °F) for 1 hour.
    Q What is the cable breaking strength and recommended working tension?
    The cable has a breaking strength of 45 kN (10,100 lbs). The maximum suggested working tension is 22.5 kN (5,050 lbs), which is 50% of the breaking strength to ensure a safe operational margin.
    Q What voltage rating does this cable support?
    This cable is rated at 1000 VDC, making it suitable for a wide range of downhole and industrial electrical applications requiring reliable DC power transmission.
    Q What is the insulation material and its outer diameter?
    The cable uses Polypropylene (PP) insulation with a diameter of 1.86 mm (0.0732"). The overall cable diameter is 8.0 mm (+0.13 / −0.05 mm), providing a compact yet robust profile.
    Q What is the minimum sheave diameter required for this cable?
    The minimum sheave (pulley) diameter for this cable is 450 mm (18"). Using a sheave smaller than this minimum may cause mechanical stress, reduce cable lifespan, or lead to structural damage.
    Q What are the electrical resistance and capacitance values of this cable?
    At 20 ℃, the typical conductor resistance is 33 Ω/km (10 Ω/kft). The capacitance at 1 kHz is 175 pF/m (53 pF/ft), and the insulation resistance is rated at 15,000 MΩ·km (50,000 MΩ·kft), indicating excellent insulation quality.