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7-Conductor AWG 19 Copper Cable with FEP/ETFE Insulation – Quality from China Suppliers and Factory
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0.490 12.4 mm
,7-CONDUCTOR，AWG 19
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High-Quality Copper Conductor
Durable FEP Insulation
Reliable ETFE Insulation
Enhanced Protection Features
Inner Armor Wires for Superior Coverage
Outer Armor Wires to Ensure Maximum Durability
We are a leading supplier in China, providing premium-grade products from our advanced factory. Our cables are meticulously engineered to meet the highest standards, ensuring excellent performance and reliability in diverse applications.
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📋 Technical Specifications
| Parameter | Metric | Imperial |
|---|---|---|
| 🔧 Construction | ||
| Copper Construction | 7×0.36 mm | 7×0.0142" |
| Insulation (FEP & ETFE) | 2.48 mm | 0.0976" |
| Number and Size of Wires | ||
| Inner Armor | 22×1.11 mm | 22×0.0437" |
| Outer Armor | 22×1.44 mm | 22×0.0566" |
| Average Wire Breaking Strength | ||
| Inner Armor | 2514 N | 565 lbs |
| Outer Armor | 4232 N | 952 lbs |
| 📐 Physical | ||
| Cable Diameter | 12.40 mm +0.13 / −0.05 mm | 0.4882" +0.0051" / −0.0019" |
| Cable Weight in Air | 580 kg/km | 390 lbs/kft |
| 1 hr. Max Temp | 260 ℃ | 500 °F |
| 8 hr. Max Temp | 232 ℃ | 450 °F |
| Cont. Max Temp | 204 ℃ | 400 °F |
| ⚙️ Mechanical | ||
| Cable Breaking Strength | 140 kN | 31,500 lbs |
| Maximum Suggested Working Tension | 70 kN | 15,750 lbs |
| Minimum Shave Diameter | 576 mm | 22.6" |
| 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 ℃ | 26.5 Ω/km | 8.0 Ω/kft |
| Capacitance @ 1kHz | 160 pF/m | 49 pF/ft |
❓ Frequently Asked Questions
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What type of insulation material is used in this cable?
This cable uses FEP (Fluorinated Ethylene Propylene) and ETFE (Ethylene Tetrafluoroethylene) as insulation materials. These high-performance fluoropolymers provide excellent chemical resistance, low friction, and outstanding thermal stability, making them ideal for demanding downhole environments.
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What is the maximum operating temperature of this cable?
The cable supports three temperature ratings depending on the duration of exposure: up to 260 °C (500 °F) for 1 hour, 232 °C (450 °F) for 8 hours, and a continuous maximum of 204 °C (400 °F). This tiered rating ensures safe operation across short-term and long-term thermal conditions.
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What is the cable breaking strength and recommended working tension?
The cable has a total breaking strength of 140 kN (31,500 lbs). For safe and reliable operation, the maximum suggested working tension is 70 kN (15,750 lbs), which represents a 2:1 safety factor over the breaking strength. Staying within this limit helps prevent mechanical fatigue and ensures long service life.
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What is the voltage rating and insulation resistance of this cable?
The cable is rated at 1200 VDC. It features an extremely high insulation resistance of 15,000 MΩ·km (50,000 MΩ·kft), which ensures minimal electrical leakage and excellent signal integrity even under high-temperature and high-pressure downhole conditions.
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How is the armor construction designed and what are its breaking strengths?
The cable features a dual-armor design. The inner armor consists of 22 wires of 1.11 mm diameter, with an average breaking strength of 2,514 N (565 lbs) per wire. The outer armor uses 22 wires of 1.44 mm diameter, providing a higher breaking strength of 4,232 N (952 lbs) per wire. This layered design offers superior mechanical protection and tensile strength.
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What is the minimum shave diameter and why does it matter?
The minimum shave (sheave) diameter for this cable is 576 mm (22.6 inches). This specification is critical during installation and retrieval operations — using a sheave smaller than the recommended diameter can induce excessive bending stress on the armor wires and conductors, potentially leading to premature failure or reduced cable lifespan.