At DEI Power, we are laser-focused on delivering UL Certified parts & equipment. Our dedication to precision results in unmatched quality, faster delivery times, and deep expertise that you can rely on every project.
We build custom electrical panels tailored to your specs with full code compliance and quality assurance.
Our engineers provide detailed, compliant electrical designs to support accurate and efficient system design
We build custom busbars manufactured for efficient, safe, and space-saving power distribution.
At DEI Power, we are laser-focused on delivering UL Certified parts & equipment. Our dedication to precision results in unmatched quality, faster delivery times, and deep expertise that you can rely on every project.
At DEI Power, we are laser-focused on delivering UL Certified parts & equipment. Our dedication to precision results in unmatched quality, faster delivery times, and deep expertise that you can rely on every project.
Delivering precision-built UL891 low voltage systems with unmatched reliability and performance.
When you choose DEI Power, you’re choosing a partner fully committed to reliability, safety, and performance—without compromise.
We specialize exclusively in UL891-certified low voltage switchboards—and that focus makes all the difference. While larger manufacturers spread wide, we go deep, delivering precision-built systems with faster turnarounds, and lasting performance.
At DEI Power, we blend cutting-edge technology with engineering expertise to build reliable electrical infrastructure that evolves with your business.
At DEI Power, we blend cutting-edge technology with engineering expertise to build reliable electrical infrastructure that evolves with your business.
We deliver precision-engineered low voltage solutions with certified quality, speed, and reliable support. Our skilled technicians and engineers provide customer-focused service with efficient, sustainable processes. Every product undergoes rigorous testing and quality assurance to ensure dependable performance.
Our team doesn’t just build electrical systems—we build trust. With a team committed to precision, responsiveness, and lasting performance, we ensure every project is backed by expertise you can count on. When you need dependable low voltage solutions, we’re ready to deliver.
Design the right solution for your project with our easy-to-use Panel Builder tool. Select your specifications, configure features, and generate a custom layout. Whether you’re planning a new installation or updating an existing system, our tool simplifies the process and helps you get accurate results fast. Start building today and bring your panelboard vision to life.
DEI Power supports a wide range of sectors with tailored low voltage solutions built to meet the demands of complex electrical environments.
From commercial buildings and manufacturing facilities to utilities, transportation hubs, and data centers, our systems are designed for performance, safety, and long-term reliability. No matter the industry, we deliver the same level of precision, compliance, and responsiveness to every project.
We understand that in mission-critical environments, downtime isn’t an option. That’s why we offer reliable, responsive support from our in-house engineers and customer service team. Whether you need quick troubleshooting or help coordinating repairs, we’re here to assist — with service that matches the quality of our products.
Get expert help any time with round-the-clock phone and email support. Our team is ready to troubleshoot issues quickly and keep your power systems running without delay.
We provide fast, remote troubleshooting to identify and solve problems before they escalate. It’s proactive support designed to keep your operations powered and productive.
No red tape — just results. Submit your warranty issue, and we’ll respond fast with repair, replacement, or resolution to get your system back online without hassle.
Exceptional attention to detail
“Working with DEI Power has been a game-changer for our operations. Their custom panelboards are expertly built, and the in-house bus bar manufacturing…”
Sept. 2024
Quality manufacturing
“We’ve worked with a few manufacturers before, but no one does bus bars like DEI Power. The bends were precise, the plating was clean…”
Aug. 2025
Top-tier service
“Pierre really took the time to understand what we needed and made sure every detail was right…”
Jan. 2025
Outstanding craftsmanship
“DEI Power delivered exactly what we needed. The custom switchboard was designed to our specifications, and the build quality exceeded expectations.”
Aug. 2025
Reliable and professional
“The team at DEI Power made the process simple and stress-free. They provided clear communication, quick turnaround, and top-quality work.”
Nov. 2024
Read candid client feedback about our communication, turnaround, reliability, and safety—real results from teams who trusted us with critical electrical work.
Get clear answers on services, timelines, pricing, and technical specs—our FAQ covers common questions so you can plan confidently
Whether you’re looking for backup power systems, industrial energy storage, or sustainable energy consulting, we’re ready to support your project needs. Be as specific as possible so we can connect you with the right expert.
+1 (866) 773-8050
1745 S. Bon View Ave Ontario CA 91761
sales@deipower.com
Terms | Privacy | +1 (866) 773-8050 | sales@deipower.com
© 2025 DEI Power Solutions, LLC. All Rights Reserved.
What Is a Custom Panelboard—and Do You Need One?
5 Signs Your Facility Needs a Panelboard Upgrade
Office Location
1745 S. Bon View Ave
Ontario CA 91761
Contact Info
Phone: +1 (866) 645-1281
Email: sales@deipower.com
What Is a Custom Panelboard—and Do You Need One?
5 Signs Your Facility Needs a Panelboard Upgrade
What Is a Custom Panelboard—and Do You Need One?
5 Signs Your Facility Needs a Panelboard Upgrade
