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China WGSB-8.0 5/16 8.0 mm Monoconductor AWG 15 Copper Cable - Quality from Reliable Suppliers & Factory
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Frequently Asked Questions
Q
What is the voltage rating of this cable, and is it suitable for high-voltage applications?
This cable carries a voltage rating of 1500 VDC, making it well-suited for downhole and high-voltage logging tool applications where reliable DC power transmission is required.
Q
What is the maximum operating temperature this cable can withstand?
The cable supports a continuous maximum temperature of 121°C (250°F). For shorter durations, it can handle up to 135°C (275°F) for 8 hours and 150°C (300°F) for 1 hour, providing flexibility across varying downhole thermal conditions.
Q
What is the cable breaking strength and recommended working tension?
The cable has a 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 margin for wireline operations.
Q
What type of armor construction does this cable use, and what is the wire breaking strength?
The cable features a double-armor construction: an inner armor of 12 wires (1.11mm each) and an outer armor of 18 wires (1.11mm each). Both inner and outer armor wires have an average breaking strength of 1808N (406 lbs) per wire.
Q
What is the insulation resistance and capacitance of this cable?
The cable offers an excellent insulation resistance of 15,000 MΩ·km (50,000 MΩ·kft), ensuring minimal leakage current. The capacitance at 1 kHz is 190 pF/m (58 pF/ft), which is important for signal integrity in logging operations.
Q
What is the minimum sheave diameter recommended for this cable?
The minimum sheave (pulley) diameter recommended for this cable is 450 mm (18 inches). Using a sheave smaller than this minimum may cause permanent damage to the cable structure and reduce its service life.













Durable PP Insulation for Enhanced Safety