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China Suppliers Factory WGSF46F40-6.35 1/4 6.35mm AWG 16 Monoconductor Copper Cable with FEP and ETFE Insulation
| 🔩 Construction | ||
| Copper Construction | 19 × 0.30 mm | 19 × 0.0118" |
| Insulation (FEP) | 1.83 mm | 0.0720" |
| Insulation (ETFE) | 2.51 mm | 0.0988" |
| Number and Size of Wires | ||
| Inner Armor | 12 × 0.89 mm | 12 × 0.0350" |
| Outer Armor | 18 × 0.89 mm | 18 × 0.0350" |
| Average Wire Breaking Strength | ||
| Inner Armor | 1162 N | 261 lbs |
| Outer Armor | 1162 N | 261 lbs |
| 📐 Physical | ||
| Cable Diameter | 6.35 mm +0.13 mm / −0.05 mm | 0.250" +0.0051" / −0.0019" |
| Cable Weight in Air | 180 g/km | 120 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 | 30 kN | 6750 lbs |
| Maximum Suggested Working Tension | 15 kN | 3370 lbs |
| Minimum Shave Diameter | 350 mm | 14" |
| Cable Stretch Coefficient | 2.5 m/km/5kN | 2.2 ft/kft/klbs |
| ⚡ Electrical | ||
| Voltage Rating | 1200 VDC | 1200 VDC |
| Insulation Resistance | 15,000 MΩ·km | 50,000 MΩ·kft |
| Resistance Typical @ 20 ℃ | 13.1 Ω/km | 13.1 Ω/kft |
| Capacitance @ 1 kHz | 167 pF/m | 51 pF/ft |
❓ Frequently Asked Questions
Q
What type of insulation is used in this cable, and what are their respective diameters?
This cable uses two types of insulation: FEP (Fluorinated Ethylene Propylene) with a diameter of 1.83 mm (0.0720"), and ETFE (Ethylene Tetrafluoroethylene) with a diameter of 2.51 mm (0.0988"). Both materials offer excellent high-temperature resistance and electrical insulation performance.
Q
What is the maximum continuous operating temperature of this cable?
The cable supports a continuous maximum operating 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 demanding downhole environments.
Q
What is the cable's breaking strength and recommended working tension?
The cable has a total breaking strength of 30 kN (6,750 lbs). The maximum suggested working tension is 15 kN (3,370 lbs), which is 50% of the breaking strength — a standard safety margin for reliable and safe operation during deployment and retrieval.
Q
What voltage rating does this cable support?
This cable is rated at 1,200 VDC. Combined with an insulation resistance of 15,000 MΩ·km (50,000 MΩ·kft), it provides excellent electrical isolation and is well-suited for high-voltage downhole logging and sensing applications.
Q
What is the minimum sheave (pulley) diameter recommended for this cable?
The minimum recommended sheave diameter is 350 mm (14 inches). Using a sheave smaller than this specification may cause excessive bending stress on the armor wires and inner components, reducing the cable's service life and structural integrity.
Q
How is the armor construction configured, and what is the individual wire breaking strength?
The cable features a double-armor design: the inner armor consists of 12 wires at 0.89 mm (0.0350") diameter, and the outer armor consists of 18 wires at the same diameter. Each individual armor wire has an average breaking strength of 1,162 N (261 lbs), providing robust mechanical protection for the cable in demanding well environments.













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