0102030405
7-Conductor AWG 20 Copper Cable with FEP Insulation - China Factory Suppliers for Reliable Power Solutions
Construction |
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| Copper Construction | 7*0.33 mm | 7*0.0129" |
| Insulation (FEP) | 2.48mm | 0.0976" |
| Shield | 2.50mm | 0.0988" |
| Number and Size of Wires | ||
| Inner Armor | 22*1.11mm | 22*0.0437" |
| Outer Armor | 22*1.44 mm | 22*0.0566" |
| Average Wire Breaking Strength | ||
| Inner Armor | 2090N | 470lbs |
| Outer Armor | 3516N | 783lbs |
Physical |
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| Cable Diameter | 12.40mm +0.13mm −0.05mm | 0.4882" +0.0051" −0.0019" |
| Cable Weight in Air | 580 /km | 390 lbs/kft |
| 1 hr. Max Temp | 232 ℃ | 450 °F |
| 8 hr. Max Temp | 216 ℃ | 421 °F |
| Cont. Max Temp | 200 ℃ | 392 °F |
Mechanical |
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| Cable Breaking Strength | 110 kN | 24750 lbs |
| Maximum Suggested Working Tension | 55 kN | 12375 lbs |
| Minimum Shave Diameter | 504 mm | 20" |
| Cable Stretch Coefficient | 0.8 m/km/5kN | 0.714 ft/kft/klbs |
Electrical |
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| Voltage Rating | 1200 VDC | 1200 VDC |
| Insulation Resistance | 15000 MΩ·km | 50000 MΩ·kft |
| Resistance Typical @ 20 ℃ | 33 Ω/km | 10 Ω/kft |
| Capacitance @ 1kHz | 130 pf/m | 40 pf/ft |
Frequently Asked Questions
What is the maximum continuous operating temperature of this cable?
The cable supports a continuous maximum temperature of 200 ℃ (392 °F). For short-term operations, it can withstand up to 216 ℃ (421 °F) for 8 hours and up to 232 ℃ (450 °F) for 1 hour.
What is the voltage rating of this cable?
The cable is rated at 1200 VDC, making it suitable for high-voltage downhole and oilfield applications that require reliable DC power transmission.
What is the cable's breaking strength and recommended working tension?
The cable has a breaking strength of 110 kN (24,750 lbs). The maximum suggested working tension is 55 kN (12,375 lbs), which represents a 2:1 safety factor for reliable downhole deployment.
What type of insulation material is used in this cable?
The cable uses FEP (Fluorinated Ethylene Propylene) insulation with an outer diameter of 2.48mm (0.0976"). FEP offers excellent thermal stability, chemical resistance, and electrical performance in demanding environments.
What are the armor specifications and their breaking strengths?
The inner armor consists of 22 wires at 1.11mm diameter with an average breaking strength of 2090N (470 lbs). The outer armor consists of 22 wires at 1.44mm diameter with an average breaking strength of 3516N (783 lbs), providing robust mechanical protection.
What is the minimum shave diameter and why does it matter?
The minimum shave diameter is 504mm (20"). This specification is critical for sheave and drum design in wireline operations — using a smaller diameter than specified can cause permanent cable deformation, reduced breaking strength, and shortened service life.












