5kV/15kV JUMPER CABLE

5kV/15kV Jumper Cable is a specialized, heavy-duty, flexible cable designed for temporary medium-voltage connections in utility, mining, and industrial settings. Rated up to 15,000 volts, its most vital use is for temporary power bypasses, allowing utility crews to isolate and repair sections of power lines without causing outages. These cables are also essential for connecting mobile substations to the power grid and serving as temporary leads for high-voltage equipment in mining. Built with highly flexible stranded copper and durable EPR insulation, they feature a high-visibility jacket to enhance safety during handling by qualified personnel. Read our 5kV/15kV Jumper Cable Buyers Guide.

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5kV/15kV Jumper Cable is a specialized, heavy-duty, and highly flexible cable designed for creating temporary medium-voltage connections. It is primarily used in utility, mining, and industrial environments to bypass sections of power lines or connect high-voltage equipment temporarily. This cable is built to safely handle voltages up to 15,000 volts.

The main applications for 5kV/15kV Jumper Cable involve temporary power solutions in high-voltage settings. Key uses include:

  • Temporary Power Bypasses: Allowing utility crews to isolate and repair sections of power lines without causing outages.
  • Mobile Substations: Connecting mobile substations to the existing power grid.
  • High-Voltage Equipment Leads: Serving as temporary leads for various high-voltage equipment in industrial and mining operations.

Unlike many standard medium voltage cables, 5kV/15kV Jumper Cable is specifically engineered for temporary connections and features exceptional flexibility due to its highly stranded copper conductor. It is typically unshielded, which allows for greater flexibility but necessitates careful handling and positioning away from grounds to prevent high stress and capacitance leakage.

Wire America's 5kV/15kV Jumper Cable is constructed with several robust features to ensure performance and safety:

  • Conductor: Highly flexible stranded copper, often tin-coated, for excellent conductivity and durability.
  • Insulation: Ethylene Propylene Rubber (EPR) for superior dielectric properties, heat resistance, and flexibility.
  • Jacket: A durable, high-visibility (typically red) thermosetting compound like CPE, offering resistance to oil, water, weather, and abrasion.

Choosing the correct 5kV/15kV Jumper Cable depends on your specific operational needs. Consider the following factors:

  • Voltage Rating: Ensure the cable's 5kV/15kV rating matches or exceeds your system's phase-to-phase voltage requirements.
  • Ampacity (Current Rating): Select a cable gauge (AWG/kcmil) that can safely carry the maximum expected current for your application.
  • Length: Determine the required length to ensure adequate reach while minimizing excess cable.
  • Environmental Conditions: While the cable is resistant to oil, water, and weather, assess any extreme conditions like prolonged contact with chemicals or sharp bends that might require additional considerations.
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5kV/15kV FLEXIBLE JUMPER CABLE

Flexible Jumper Cable is a specialized, single-conductor portable cable designed for temporary high-voltage bypasses and emergency repairs on overhead distribution lines or in substations. Rated for 5kV to 15kV, this cable is engineered for maximum maneuverability, allowing utility crews to safely "jump" around damaged equipment or isolated sections of the grid during maintenance. The construction features a high-strand-count, flexible tin-coated copper conductor encased in a premium Ethylene Propylene Rubber (EPR) insulation. This unshielded, heavy-duty insulation is formulated to resist ozone, tracking, and physical abrasion while remaining highly pliable in sub-zero temperatures, ensuring reliable performance in the most demanding outdoor environments.

Installation Note: 5kV/15kV Jumper Cable is an unshielded cable and is intended for temporary use by qualified personnel only. Because it lacks a grounded shield, it must be kept at a safe distance from grounded surfaces and other phases as dictated by the National Electrical Safety Code (NESC) and OSHA regulations. Always inspect the cable for nicks, cuts, or tracking marks before each use. When storing, ensure the cable is coiled loosely to prevent "compression set" in the EPR insulation, which could compromise its dielectric integrity over time.

Key Features
  • Dual Voltage Capability: Engineered for use in both 5kV and 15kV systems, providing a versatile solution for utility-grade temporary power.
  • Ultra-Flexible Conductor: Utilizes high-strand-count tinned copper for effortless handling and coiling, even in extreme cold-weather conditions.
  • Premium EPR Insulation: Features a thick, red Ethylene Propylene Rubber (EPR) jacket that provides superior dielectric strength and resistance to electrical tracking.
  • Ozone & UV Resistant: Specifically formulated to withstand prolonged exposure to sunlight and high-ozone environments near high-voltage lines.
  • Chemical & Oil Resilience: The rugged outer insulation is designed to resist degradation from transformer oils, fuels, and common industrial solvents.
  • High-Visibility Red Jacket: The standard safety-red color ensures the cable is easily visible to crews working in low-light or high-traffic utility zones.
  • ASTM & ICEA Compliant: Manufactured to meet the rigorous performance and safety standards required for utility-grade portable power cables.
Common Applications
  • Temporary Line Bypasses: Allowing utility crews to maintain power to customers while repairing or replacing overhead distribution hardware.
  • Substation Maintenance: Providing a temporary high-voltage connection during the servicing of circuit breakers or transformers.
  • Emergency Storm Restoration: Rapidly deploying primary power jumps to bypass downed lines or damaged utility poles.
  • Transformer Change-Outs: Maintaining continuity in the primary loop while a pad-mount or pole-top transformer is being swapped.
  • Mobile Substation Links: Connecting mobile power units to the existing grid during planned outages or catastrophic failures.
  • High-Voltage Testing: Used as flexible leads for high-potential (Hi-Pot) testing and other medium-voltage diagnostic procedures.
  • Industrial High-Voltage Jumps: Providing temporary primary power for large-scale industrial facilities during internal grid upgrades.

Resources & Guides

Category_Buying Guide
What is 5kV/15kV Jumper Cable?
February 11, 2026
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