Underground High Voltage Transmission
Products and Services
At Southwire, our team of factory-certified, highly skilled installers supports you through every phase of your high voltage underground transmission project—from cable pulling, splicing, and terminating to sheath bonding and grounding. Thanks to our unwavering commitment to safe, efficient installations, we’ve achieved zero cable failures across more than 15 million feet of installed high voltage cable.
High Voltage Underground Products
Access our catalog of high voltage underground transmission products from 69kV to 500kV.
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High Voltage Underground Services
Connect with our support team offering engineering, project management, installation, and testing services.
Learn MoreGet a behind-the-scenes look at our state-of-the-art high voltage cabling production facility in Huntersville, North Carolina.
Learn more about our high voltage underground transmission installation services.
Learn more about Southwire's retrofit HPFF Cable System that uses existing pipe infrastructure and eliminates the need for pressurized fluid....it's EPIC!
