Electrical Testing & Infrared Thermography
Acceptance and maintenance testing for electrical systems, including commissioning support, condition-based assessments, and advanced troubleshooting of power distribution equipment.
Serving Chattanooga, Tennessee and the surrounding areas.
About Us
Serving Chattanooga and surrounding areas since 1990.
EEC offers comprehensive acceptance and maintenance testing in alignment with NETA practices, along with electrical infrared thermography to identify developing faults before they lead to unplanned outages. Our approach is rooted in condition-based maintenance—combining detailed inspections, quantitative testing, and practical engineering judgment to help clients make informed decisions about their electrical infrastructure.
From commissioning new equipment to troubleshooting existing systems, we provide clear reporting, actionable findings, and professional field execution. Our technicians work on energized and de-energized systems with a strong emphasis on safety, compliance, and workmanship. Whether supporting manufacturing facilities, substations, data centers, or critical infrastructure, EEC is committed to delivering dependable service and long-term value.
Core Services
Infrared Surveys
Reduce unplanned downtime and enhance workplace safety by conducting routine infrared electrical inspections that detect overheating components, loose connections, and load imbalances before they result in equipment failure.
NETA Acceptance Testing
Commissioning and acceptance testing in accordance with NETA Acceptance Testing Standards and Maintanence Testing Standards.
Arc Flash Studies
Arc-flash hazard analyses performed in accordance with NFPA 70E and IEEE 1584, including system modeling, incident energy calculations, arc-flash boundary determination, PPE category evaluation, and equipment labeling to support compliance, reduce risk, and improve electrical safety programs.
Engineering Services
Custom control system design and PLC programming for industrial applications. We handle everything from panel layout and I/O mapping to PLC logic, HMI development, commissioning, and troubleshooting—focused on safe, reliable, field-ready systems.
Transformer Testing
Comprehensive transformer acceptance, commissioning, and maintenance testing in accordance with NETA guidelines, applicable IEEE standards, and ASTM International laboratory methods.
Protection & Relay Testing
Comprehensive commissioning, periodic testing, and troubleshooting of protective relays and control systems to validate settings, confirm proper operation, and maintain dependable system protection.
Capabilities
Testing Capabilities
Testing capabilities
- Insulation Resistance (IR / Megger)
- Contact Resistance (DLRO)
- Transformer Turns Ratio (TTR)
- Winding Resistance
- Power Factor / Dissipation Factor (PF / DF)
- Dielectric Withstand (Hipot / VLF)
- Primary Current Injection
- Secondary Injection (Relay Testing)
- Circuit Breaker Timing
- Breaker Travel Analysis
- Ground Resistance Testing
- Ground Continuity / Bonding
- Phasing / Phase Rotation
- Infrared (Thermographic) Inspection
- Transformer Oil Testing (BDV, Moisture, DGA)
- Functional / Control Circuit Testing
Common assets
- Medium- and Low-Voltage Switchgear & Switchboards
- Power Circuit Breakers (LV & MV)
- Molded Case Circuit Breakers
- Dry-Type and Oil-Filled Transformers
- Protective Relays & Metering Equipment
- Medium- and Low-Voltage Power Cables
- Bus Duct Systems
- Motor Control Centers (MCCs)
- Industrial Motors
- Variable Frequency Drives (VFDs)
- Grounding Systems & Equipment Bonding
- Control Panels and Associated Wiring