Commercial. Industrial. Plant.

Full-Service Electrical Contractors Serving Connecticut Businesses

Licensed, insured, and built for business — we deliver reliable, code-compliant electrical contracting services to commercial and industrial clients across Connecticut.

Proud to Power These Businesses

Electrical Contractor You Can Count On

Electrical Installations & Upgrades
Troubleshooting & Repairs
Lighting, Panels & Controls
Code Corrections & Safety Inspections
Preventive Maintenance Programs
Emergency & On-Demand Service Calls
Infrared Thermography & Arc Flash Analysis
NFPA 70E Compliance Support

Solutions for every electrical need

As Connecticut’s leading mission-critical electrical contractor, C&H Electric specializes in the design, construction, and maintenance of critical electrical distribution systems.

Proactively Uncover Hidden Risks

Predictive Electrical Maintenance

Infrared thermography

This non-invasive method detects heat anomalies like loose connections, overloaded circuits, and insulation failures—helping prevent equipment damage, costly downtime, and electrical fires.

ultrasonic Testing

This service complements infrared imaging by detecting inaudible sound waves caused by corona, tracking, and arcing—helping identify failures in components like switchgear and transformers to prevent unplanned shutdowns.

voltage & current analysis

C&H Electric analyzes voltage and current to detect issues like drops, distortion, or imbalances—protecting equipment and ensuring stable, safe power distribution.

visual inspection

Visual inspections catch wear, damage, or code issues early—helping prevent downtime, safety risks, and compliance violations.

Need Immediate or On-Going Electrical Service?

Ensure Long-Term System Reliability

Preventive Electrical Maintenance

Switchgear Maintenance

Our switchgear maintenance includes cleaning, lubricating, and torquing components, along with contact resistance and insulation resistance testing — ensuring safe, efficient operation and preventing costly failures.

Breaker Testing

Breaker testing includes primary and secondary injection testing to verify performance and trip settings, along with thorough cleaning and lubrication to ensure reliable operation and extend equipment life.

Transformer Testing

Our transformer testing includes winding resistance and turns ratio analysis to verify electrical integrity, along with cleaning, lubricating, and torquing to ensure safe, efficient, and long-lasting performance.

Healthcare Electrical Maintenance

We provide specialized healthcare electrical maintenance including line isolation monitor panel testing, critical receptacle verification, and customized service plans to support Joint Commission and AAAHC Environment of Care compliance.

Common Commercial Electrical Challenges

Insurance Compliance

We design electrical maintenance plans to meet insurance and OHSA requirements, minimizing risk and liability.

Minimizing Life Safety Risks

Our predictive and preventive maintenance and testing services protect against potential hazards.

Deferred Systems & Maintenance Issues

We address deferred maintenance to restore optimal performance and extend the lifespan of electrical systems.

Reducing Business Interruptions

Our on-call maintenance teams are available 24/7 to provide immediate responses to urgent issues. They swiftly address problems to minimize downtime, maintain operational continuity, and prevent potential losses.

Updating Aging Infrastructure

We upgrade outdated facilities to improve reliability and future-proof your operations.

Streamlining Recordkeeping

Our comprehensive documentation ensures compliance and simplifies audit readiness.

NFPA 70E Compliance

We ensure that your electrical systems and safety procedures meet NFPA 70E standards.

Addressing Energy Inefficiencies

Our energy solutions identify and resolve inefficiencies, optimizing performance and reducing costs.

Eliminating Supply Chain Issues

Our predictive maintenance finds failing equipment prior to catastrophic failure, so we can support the equipment replacement cycle through our strong supplier relationships to ensure timely access to high-quality materials.

Custom Prefabricated Electrical Devices

We prefabricate electrical devices at our production facility to ensure efficient installation, keep pace with rapid construction schedules, and reduce material handling and waste on the job site.