SERVING NEW ENGLAND SINCE 1929!

Medium Voltage Cable

2.4kV / 5kV / 15kV / 25kV / 35kV

EPR & XLPE Insulated Cables

cerro-wire
prysmian
Jacketed Concentric Neutral (JCN) | Copper Tape Shield (CTS)

* We offer a comprehensive range of single and multi conductor medium voltage power cables. If you don’t see a specific item listed, please contact us for availability.


Benefits:

Medium voltage (MV) cables with Ethylene Propylene Rubber (EPR) or Cross-Linked Polyethylene (XLP) insulation are essential for power distribution, industrial applications, and infrastructure. They offer strong dielectric strength, ensuring efficient power transmission with minimal energy loss. EPR and XLP improve durability, chemical resistance, and reliability, reducing maintenance and extending service life. These cables are ideal for substations, manufacturing plants, transportation systems, and large commercial facilities, providing a safe, efficient, and cost-effective power solution.

  • High-quality insulation materials
  • Transmits power efficiently over long distances with minimal energy loss
  • Thicker insulation and shielding for enhanced safety and reliability
  • Moisture-resistant, weatherproof, fire-resistant, UV-resistant, and chemical-resistant insulation options available
  • Suitable for underground installations


When to use:

Substations to Distribution Points: MV cables are used to connect substations to local distribution transformers or points of use. These cables are responsible for carrying power from high-voltage transmission lines and distributing it to homes, businesses, and industrial facilities.

Underground Distribution: In urban areas, medium voltage cables are commonly used for underground distribution networks, as they are safer and more reliable than overhead lines.

Industrial Facilities: Powering large machinery and equipment, such as motors and heavy machinery, in factories and plants.

Renewable Energy: Connecting wind turbines and solar panels to the grid or between different parts of renewable energy installations.

Large Commercial Buildings: Distributing power within large commercial buildings, campuses, or complexes for systems like HVAC or centralized electrical systems.

Electric Vehicle (EV) Charging Stations: As EV charging infrastructure grows, MV cables are used to distribute power to high-capacity charging stations.

EPR & XLP/XLPE Insulated Cables
Okonite - EPR Insulated Cables
Okonite - EPR Insulated Cables
XLP/XLPE Insulated Cables

EPR vs. XLPE


EPR (Ethylene Propylene Rubber) and XLPE (Cross-linked Polyethylene) are both thermoset insulations, but they differ significantly in flexibility, performance, and typical applications.


  • Use EPR:
    • High flexibility for tight bends
    • Resists moisture—great for wet locations
    • Handles mechanical stress well
    • Stable across wide temperature ranges

  • Use XLPE (also known as XLP):
    • Higher temperature performance
    • Lower dielectric losses improve efficiency
    • Lighter weight for easier handling
    • Cost-effective in dry, controlled settings
live chat customer service