High Voltage Underground Transmission Installation Services


Southwire Offers Unparalleled High Voltage Underground Transmission Installation Services With Every HV Order

In addition to quality high voltage cable and accessories, Southwire can provide unparalleled installation services with each high voltage underground transmission order. Our team of highly-skilled and factory-certified installers will be there every set of the way to help with cable-pulling, splicing, terminating, sheath bonding, and grounding to help ensure a safe, efficient, and quality installation. We are committed to ensuring your installation is successful…a commitment that has resulted in a zero cable failures with over 7-million feet of HV cable installed!

Our unmatched support services are with you every step of the way.

Installation Technicians Highly skilled and factory-certified installation technicians
Services Splicing and terminating services
Repairs Emergency and repair services
Tools and Equipment Complete cable installation tools and equipment
Accessories Complete accessory installation tools
Quality Control Installation quality control documentation

Techniques from High-Voltage Underground Cable System Installation Experts

The case for using high-voltage underground transmission cable systems continues to gain momentum. There are many benefits, including system safety and reliability; all with minimal impacts to the visual environment. Installing high-voltage underground transmission cable, however, can often pose unique engineering and installation challenges. A wrong decision during installation can pose significant safety risks, in addition to amplifying both project costs and future maintenance costs.

In this webinar we will discuss:
  • Best practices for installing high-voltage underground transmission cable
  • Lessons learned from unique situations faced by our expert field team
  • Options available for cable conductors, insulation, shielding, jackets, and accessories


Randy Denmon      
      Randy Denmon, P.E.
Director Underground Transmission Cable Systems


Our engineering team supports feasibility studies and conceptual engineering, detailed underground system design, pulling calculations, and ampacity studies. 

Project Management

Our project management team supports construction management, maintenance, emergency and repair studies, as well as full turnkey projects including civil works. 


Our installation team is filled with highly skilled and factory-certified installation technicians. We are prepared to assist with cable pulling, splicing and termination, and sheath bonding and grounding. 


Our testing includes commissioning, testing, AC resonant and PD testing.



HVUG Support Team


Chris Amick - HVUG Business Development - South


Dave Knoll - HVUG Business Development - North


Lucian Munteanu – Proposal Manager