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7-Conductor Copper Cable, 15/32 11.8mm, AWG 20 - China Suppliers & Factory
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15/32 11.8 mm
,7-CONDUCTOR, AWG 20
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High-Quality Copper Conductor
Durable PP Insulation
Advanced Semi-conducting Shield Layer
Effective Semi-conducting Filler
Reliable Semi-conducting Shield Layer
Strong Inner Armor Wires
Durable Outer Armor Wires
Our 15/32 (11.8 mm) 7-conductor cable is manufactured in our state-of-the-art factory in China, using high-quality materials that ensure durability and performance. As a leading supplier, we strive to provide products that meet the highest standards of quality and reliability. Trust our cable for your electrical needs and experience the excellence that comes from our commitment to quality.
,| Construction | ||
| Copper Construction | 7×0.33 mm | 7×0.0129" |
| Insulation (PP) | 2.48 mm | 0.0976" |
| Shield | 2.50 mm | 0.0988" |
| Number and Size of Wires | ||
| Inner Armor | 24×0.99 mm | 24×0.0389" |
| Outer Armor | 24×1.26 mm | 24×0.0496" |
| Average Wire Breaking Strength | ||
| Inner Armor | 1438 N | 323 lbs |
| Outer Armor | 2330 N | 523 lbs |
| Physical | ||
| Cable Diameter | 11.80 mm +0.13 mm / −0.05 mm | 0.4645" +0.0051" / −0.0019" |
| Cable Weight in Air | 500 kg/km | 335 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 | 85 kN | 19,100 lbs |
| Maximum Suggested Working Tension | 42.5 kN | 9,550 lbs |
| Minimum Shave Diameter | 504 mm | 20" |
| Cable Stretch Coefficient | 0.8 m/km/5kN | 0.714 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 @ 1kHz | 130 pf/m | 40 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 peak loads, it can handle up to 135 ℃ (275 °F) for 8 hours and 150 ℃ (300 °F) for 1 hour.
Q
What is the cable's breaking strength and safe working tension?
The cable has a total breaking strength of 85 kN (19,100 lbs). The maximum suggested working tension is 42.5 kN (9,550 lbs), which is 50% of the breaking strength — a standard safety factor for downhole cable applications.
Q
What are the voltage and insulation resistance ratings?
The cable is rated at 1000 VDC. The insulation resistance is exceptionally high at 15,000 MΩ·km (50,000 MΩ·kft), ensuring reliable signal transmission even in harsh downhole environments.
Q
What type of insulation material is used, and what is the conductor construction?
The conductor uses a 7-strand copper construction (7×0.33 mm) for excellent flexibility and conductivity. The insulation is made of Polypropylene (PP) with a diameter of 2.48 mm, providing strong chemical resistance and thermal stability.
Q
What is the minimum sheave diameter for safe cable deployment?
The minimum sheave (pulley) diameter is 504 mm (20 inches). Using a sheave smaller than this may cause permanent mechanical damage to the armor wires or internal conductor and must be avoided during installation and operation.
Q
How does the dual-armor construction improve cable performance?
The cable features both an inner armor (24×0.99 mm, 1,438 N per wire) and an outer armor (24×1.26 mm, 2,330 N per wire). This double-armor design provides superior crush resistance, tensile strength, and protection against abrasion and pressure in deep-well environments.