JET Electrical Testing, LLC is a 24/7 full service testing company. Our project managers, engineers, support staff, and field technicians form a cohesive unit.
We specialize in Commissioning, Preventative Maintenance, Equipment Repair, and Apparatus Testing. We offer 24 / 7 Emergency Response.


New Jersey’s Premier System Commissioning, Equipment Repair, and Apparatus Testing Services

At Jet Electrical Testing, we pride ourselves on providing electrical testing services to meet the diverse needs of our clients in New Jersey. Our team of skilled technicians is well-versed in conducting electrical testing, including high voltage testing, apparatus testing, and dielectric insulation testing. We understand the critical role electrical systems play in your operations, so we offer thorough equipment diagnostic testing to identify issues before they become significant problems. Whether you require medium-voltage switchgear maintenance or low-voltage switchgear maintenance, we have the expertise and equipment to ensure the reliability and safety of your electrical infrastructure.
System Commissioning New Jersey
High Voltage Switchgear Maintenance New Jersey

High-Voltage Switchgear Testing and Maintenance

High-voltage switchgear is the backbone of many industrial and commercial electrical systems. Jet Electrical Testing specializes in high-voltage switchgear testing, high-voltage switchgear maintenance, and medium-voltage switchgear testing. Our experienced technicians employ cutting-edge techniques and equipment to evaluate the performance and integrity of your high-voltage equipment. Regular testing and maintenance of high-voltage switchgear are essential to prevent unexpected breakdowns and ensure the safety of your facility. Trust us with all your equipment repairs and maintenance.

Emergency Electrical Troubleshooting and Repairs

When electrical emergencies strike, Jet Electrical Testing is your reliable partner for emergency electrical troubleshooting and equipment failure repair. We utilize advanced diagnostic tools to pinpoint the source of the problem and perform immediate maintenance to minimize disruptions to your operations. Count on us to deliver swift and practical solutions to keep your facility running smoothly, ensuring the safety of your personnel and property.
Emergency Electrical Troubleshooting New Jersey


  • Infrared Scanning
  • Load Bank Testing
  • Dielectric Insulation Testing
  • Current / Potential Transformer Testing
  • Transfer Scheme Functional Checks
  • Grounding System Testing
  • Switchgear, Switchboard, & MCC Testing
  • Battery Testing
    • Cell Impedance
    • Electrolytic Specific Gravity
    • Performance Capacity
  • Power Transformer Testing
    • Sweep Frequency
    • Leakage Reactance
    • Power Factor Excitation
    • Dielectric Fluid Analysis
  • Relay Calibration / Testing
    • Electro-Mechanical Relay
    • Solid State / Microprocessor Relay
  • Cable Testing
    • DC HIPOT
    • Tan / Delta Diagnostic
  • Circuit Breaker Testing
    • Primary / Secondary Injection
    • Contact Timing


  • Drawing Mark-Ups
  • NERC Compliance
  • Utility Substation / Switchyard Upgrades


  • Power Quality Recording / Analysis


  • Circuit breaker modifications / Retrofits
  • Cable fault locating / Splicing
  • Faulted electrical equipment reconditioning
  • Bus detail / Insulation barrier replacements