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High-Quality 5/16 8.0 mm Monoconductor Cables - China Suppliers & Factory Direct Offer
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5/16 8.0 mm
,MONOCONDUCTOR，AWG 15
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High-Quality Copper Conductor
Advanced FEP Insulation for Optimal Performance
Durable ETFE Insulation Enhancing Longevity
Robust Inner Armor Wires (Stainless Steel 316)
Reliable Outer Armor Wires (Stainless Steel 316)
As a leading supplier in China, our factory produces top-notch wiring solutions designed for durability and performance. This AWG 15 monoconductor cable features superior copper conductors, advanced FEP and ETFE insulation, along with sturdy stainless steel 316 armor for maximum protection. Choose our products for outstanding reliability and quality.
,| 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 | 1600 N | 360 lbs |
| Outer Armor | 1600 N | 360 lbs |
| 📐 Physical | ||
| Cable Diameter | 8.0 mm +0.13 / −0.05 mm | 0.3150" +0.0051" / −0.0019" |
| Cable Weight in Air | 281 kg/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 | 40 kN | 9000 lbs |
| Maximum Suggested Working Tension | 20 kN | 4500 lbs |
| Minimum Shave Diameter | 4500 mm | 18" |
| Cable Stretch Coefficient | 1.35 m/km/5kN | 1.2 ft/kft/klbs |
| ⚡ Electrical | ||
| Voltage Rating | 1500 VDC | 1500 VDC |
| Insulation Resistance | 15000 MΩ·km | 50000 MΩ·kft |
| Resistance Typical @ 20 ℃ | 9.2 Ω/km | 2.8 Ω/kft |
| Capacitance @ 1kHz | 190 pF/m | 58 pF/ft |
💬 Frequently Asked Questions
Q
What type of insulation materials are used in this cable, and how do they differ?
A
This cable is available with either FEP (Fluorinated Ethylene Propylene) or ETFE (Ethylene Tetrafluoroethylene) insulation. FEP insulation measures 2.85 mm (0.1122"), while ETFE insulation measures 3.81 mm (0.1496"). Both materials offer excellent chemical resistance and high-temperature performance, with ETFE providing a slightly thicker profile for added mechanical protection.
Q
What is the maximum continuous operating temperature of this cable?
A
The cable supports a continuous maximum temperature of 204 ℃ (400 °F). For shorter durations, it can withstand up to 232 ℃ (450 °F) for 8 hours and up to 260 ℃ (500 °F) for 1 hour, making it suitable for high-temperature downhole and industrial environments.
Q
What is the cable's breaking strength and recommended working tension?
A
The cable has a total breaking strength of 40 kN (9,000 lbs). The maximum suggested working tension is 20 kN (4,500 lbs), which is 50% of the breaking strength — a standard safety factor applied in wireline and downhole operations to ensure reliable, long-term performance.
Q
What voltage rating and insulation resistance does this cable offer?
A
This cable is rated at 1500 VDC, suitable for standard wireline logging and perforating applications. The insulation resistance is exceptionally high at 15,000 MΩ·km (50,000 MΩ·kft), ensuring minimal signal leakage and reliable electrical performance even under demanding downhole conditions.
Q
What is the armor construction of this cable and what breaking strength does each layer provide?
A
The cable features a dual-armor design. The inner armor consists of 12 wires at 1.11 mm (0.0437") diameter, and the outer armor consists of 18 wires at the same diameter. Each individual armor wire has an average breaking strength of 1,600 N (360 lbs), providing robust mechanical protection against tension and abrasion in harsh wellbore environments.
Q
What is the minimum sheave diameter required for this cable, and why does it matter?
A
The minimum sheave (pulley) diameter for this cable is 4,500 mm (18"). Using a sheave smaller than this specification can cause excessive bending stress on both the armor wires and the internal conductor, potentially leading to premature fatigue, insulation damage, or structural failure. Always ensure that surface equipment meets or exceeds this minimum diameter requirement.