Business Details
50+ Years
experience
Emergency
services
Expert Electrical Cable Installation Services in Waterbury, CT
Sullivan Cable has been a trusted leader in primary cable installation for over 60 years, serving utility companies, universities, hospitals, and Fortune 500 clients across the Northeast. Founded in 1947 by James Sullivan, our company was built on principles of hard work, integrity, and unwavering commitment to client satisfaction. Our team of highly skilled professionals combines decades of experience with advanced equipment to deliver safe, efficient, and reliable power cable solutions for every project. We specialize in cable pulling, splicing, and terminating primary and secondary wires, including complex underground, aerial, and submarine installations. Our 76-year track record of safety and expertise extends to emergency response services, rapid shutdown coordination, and retrofitting high-voltage systems for expanding campuses.We maintain rigorous industry certifications, including OSHA 10/30 training and Small Business Certification, ensuring compliance with the highest standards. Our family-owned legacy continues through the Sheehy family, who uphold our founding values while embracing innovation to meet evolving industry demands. We guarantee every job is completed with meticulous attention to detail, prioritizing client needs from start to finish. Our partnerships with engineers and contractors emphasize teamwork, competitive pricing, and quality workmanship that supports long-term infrastructure growth. With a focus on tradition and forward-thinking solutions, Sullivan Cable remains a premier choice for high-voltage cable installation and maintenance.
Services
Cable Pulling
Splices & Terminations
Retrofitting Services
Emergency Response
Owner Support Services
Underground Installation
Submarine Cable Work
Equipment Evaluations
System Design Consulting
Pre-Terminated Cables
Details
- Year established: 1947
Highlights and features
- 76-year track record of safety and expertise in primary cable installation
- 24/7 emergency response with rapid shutdown coordination
- Family-owned legacy combining tradition with advanced equipment
- Specialized retrofitting services for university campus expansions
- Certified OSHA 10/30 technicians with confined space training
Associations and certifications
- OSHA 10
- OSHA 30
- Small Business Certified
- CSCB Cable Splicer Certification
- 3M
- Raychem
- Elastimold
- PILC
- Okonite
Services
Cable Pulling
We install primary and secondary cables for underground, aerial, and tray systems. Our team handles 20,000 lbs. indoor and outdoor pulling with specialized trucks equipped for all cable types. Applications include transformer connections and testing cables requiring precision and reliability.
Splices & Terminations
Specializing in splicing PILC and synthetic cables up to 35,000 volts. Services include taped paper, lead, synthetic, and submarine installations. Our technicians perform hipot testing through 100 kvdc and fault finding with advanced diagnostic tools for secure electrical connections.
Retrofitting Services
We modernize high-voltage infrastructure for universities and facilities. Services include cable racking, fireproofing, transformer upgrades, and one-line documentation. Our expertise integrates new systems with existing conduits to support campus expansion and operational continuity.
Emergency Response
Available 24/7 for urgent power outages and system failures. Our team provides rapid fault diagnosis, confined space entry, and emergency shutdown coordination. We prioritize safety while restoring critical electrical systems for utilities, hospitals, and commercial facilities.
Owner Support Services
We offer system evaluations, one-line diagrams, and site utility drawings for facility managers. Services include HV switching guidance, shutdown planning, and equipment assessments to optimize electrical infrastructure performance and long-term maintenance strategies.
Questions
What electrical services does Sullivan Cable offer?
We specialize in primary cable installation, splicing, terminations, retrofitting, and 24/7 emergency response for high-voltage systems.
Do you provide emergency electrical repairs?
Yes, our 24/7 emergency response team handles urgent power outages and system failures with rapid fault diagnosis.
Which industries do you serve?
We work with utilities, universities, hospitals, Fortune 500 companies, and electrical contractors across the Northeast.
Are your technicians certified?
Our team holds OSHA 10/30 certifications, confined space training, and manufacturer-specific splicer certifications.
Can you retrofit existing electrical systems?
Yes, we upgrade high-voltage infrastructure for universities and facilities while integrating new systems with existing conduits.
How do you ensure project quality?
We combine 76 years of experience with advanced equipment, rigorous safety protocols, and family-owned accountability for every job.