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8.0 mm 5/16 Monoconductor Copper Wire - AWG 15, FEP & ETFE Insulation | China Suppliers & Factory
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5/16 8.0 mm
,MONOCONDUCTOR, AWG 15
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High-Quality Copper Conductor
Enhanced Inner Armor Wires for Durability
FEP Insulation for Superior Performance
ETFE Insulation for Enhanced Resistance
Outer Armor Wires for Added Protection
As a leading China factory and suppliers of high-quality electrical conductors, we provide products that meet the highest standards of performance and durability. Our monoconductor with AWG 15 specification features a robust copper conductor, reinforced inner and outer armor wires, and advanced FEP and ETFE insulation, making it an ideal choice for various applications. Partner with us for reliable products tailored to your needs.
,| Parameter | Metric | Imperial |
| Construction | ||
| Copper Construction | 19 × 0.37 mm | 19 × 0.0146" |
| Insulation (FEP) | 2.85 mm | 0.1122" |
| Insulation (ETFE) | 3.81 mm | 0.1496" |
| Number and Size of Wires | — | — |
| Inner Armor | 12 × 1.11 mm | 12 × 0.0437" |
| Outer Armor | 18 × 1.11 mm | 18 × 0.0437" |
| Average Wire Breaking Strength | — | — |
| Inner Armor | 1808 N | 406 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 | 281 /km | 189 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 | 45 kN | 10,000 lbs |
| Maximum Suggested Working Tension | 22.5 kN | 5,000 lbs |
| Minimum Shave Diameter | 450 mm | 18" |
| Cable Stretch Coefficient | 1.35 m/km/5kN | 1.2 ft/kft/klbs |
| Electrical | ||
| Voltage Rating | 1500 VDC | 1500 VDC |
| Insulation Resistance | 15,000 MΩ·km | 50,000 MΩ·kft |
| Resistance Typical @ 20 ℃ | 9.2 Ω/km | 2.8 Ω/kft |
| Capacitance @ 1 kHz | 190 pF/m | 58 pF/ft |
Frequently Asked Questions
Q
What is the maximum continuous operating temperature of this cable?
The cable supports a continuous maximum temperature of 204 ℃ (400 °F). For short-term use, it can withstand up to 260 ℃ (500 °F) for 1 hour, or 232 ℃ (450 °F) for up to 8 hours, making it suitable for high-temperature downhole environments.
Q
What is the cable's breaking strength and recommended working tension?
The cable has a total breaking strength of 45 kN (10,000 lbs). The maximum suggested working tension is 22.5 kN (5,000 lbs), which is 50% of the breaking strength — a standard safety factor for reliable field operation.
Q
What insulation materials are used, and why does it matter?
The cable uses both FEP (Fluorinated Ethylene Propylene) and ETFE (Ethylene Tetrafluoroethylene) insulation options. FEP offers an insulation diameter of 2.85 mm, while ETFE provides 3.81 mm. Both materials offer excellent chemical resistance, thermal stability, and high dielectric strength — critical for demanding oil and gas well logging applications.
Q
What is the voltage rating and insulation resistance of this cable?
The cable is rated at 1500 VDC. Its insulation resistance is exceptionally high at 15,000 MΩ·km (50,000 MΩ·kft), ensuring minimal signal leakage and reliable electrical performance in high-pressure, high-temperature downhole conditions.
Q
What is the minimum shave diameter and why is it important?
The minimum shave (sheave) diameter is 450 mm (18 inches). This specification defines the smallest diameter pulley or drum over which the cable can be safely bent without causing structural damage to the armor wires or insulation, which is essential for proper winch and surface equipment selection.
Q
How is the armor construction configured, and what are the breaking strengths of each layer?
The cable features a double-armor construction. The inner armor consists of 12 wires at 1.11 mm diameter each, and the outer armor consists of 18 wires at 1.11 mm diameter each. Both the inner and outer armor layers have an average wire breaking strength of 1808 N (406 lbs) per wire, providing robust mechanical protection against tension and abrasion in wellbore environments.