
Quad Plus Testing
A Complete Power Service Company

Quad Plus Testing is a NETA-accredited, IBEW Local 134 signatory, and PEARL-certified power services company. Our Professional Engineers and Technicians specialize in power studies, electrical acceptance testing, commissioning, maintenance testing, repair, installation, and troubleshooting across a diverse range of clients including data center, utility, generation, industrial, and commercial facilities.
All testing services are performed in strict accordance with NETA/ANSI standards. Our dedicated industrial circuit breaker repair and refurbishment technicians bring more than 40 years of combined experience, with a strong focus on the utilities sector.

Our Testing Services
We offer specialized electrical testing services to ensure the safe, reliable performance of your power systems. From installation through ongoing maintenance, our team supports every phase of your system’s lifecycle.

Circuit Breaker Repair and Reconditioning Facility
The Quad Plus testing process for circuit breaker repair has set the standard for the industry. In our 17,000-square-foot breaker facility, we can repair, refurbish, and retrofit circuit breakers. Our PEARL-certified industrial breaker technicians have over forty years of experience and follow strict reconditioning and refurbishment processes as defined by ANSI/ IEEE C37.59.
- We inspect each circuit breaker for worn or missing parts.
- We perform electrical and mechanical testing and analysis to determine any issues with the circuit breaker.
- Upon approval for repair, defective parts are removed and replaced with new parts.
- A final test and inspection are performed before the circuit breaker is returned.
Quad Plus Testing will use only OEM or manufacturer-recommended parts. We offer partial reconditioning that focuses only on problem areas or a complete teardown and rebuild of the breaker to return mature breakers into a “like new” condition.
We repair all brands, including:
Power Studies and Analysis
Quad Plus Testing offers standard and specialized power system studies performed by a professional engineer, along with pre- and post-installation power quality audits, to precisely target and correct power issues. These studies will help optimize your power system’s performance and improve safety.
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