Electrical Retrofit

Commercial Electrical Retrofits & Upgrades

At Mills Electric Co, we provide professional, code-compliant Commercial Electrical Retrofit services. Led by owner Raymond Mills, who brings over 21 years of hands-on electrical experience, we serve homeowners and business owners with an active NC Electrical License #36565 and full liability coverage through our biBerk Policy #N9BP158903.

At Mills Electric Co, we upgrade commercial wiring and panels safely. Every commercial retrofit is backed by our standard 1-Year Workmanship Warranty and our company promise: “We do the job right, or we’ll make it right.”

Transition older buildings into modern workspaces with a commercial electrical retrofit. We update old panels, replace ungrounded wiring, upgrade service capacity, and install power runs for new machinery, server cabinets, or office layouts. We ensure your historic or updated commercial building complies with modern safety codes and operating demands.

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Signs It Is Time to Call for Commercial Electrical Retrofit

Outdated commercial systems waste energy and lack safety features. Plan a retrofit if your building experiences these issues:

• Converting a warehouse, factory, or historic building into retail space or modern offices – This can point to an overloaded circuit or loose connection that requires inspection.
• Frequent breaker trips or voltage drops when modern office equipment is activated – A symptom that shouldn’t be ignored as it could pose safety hazards.
• Older commercial spaces containing ungrounded, cloth-insulated, or outdated wiring systems – Often indicates that your existing system is struggling to serve your modern power demands.
• Commercial panels lacking the circuit capacity to handle new server configurations – Requires a code-correct installation or repair rather than a temporary shortcut.

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What Affects the Cost and Scope of the Job?

We believe in upfront commercial billing. Your custom retrofit estimate is calculated based on:

1. The size and age of the commercial building and its structural framing characteristics – This determines the amount of wire, conduit, and labor time needed for the run.
2. Whether the main switchgear and utility transformer need to be upgraded – Wall construction, ceiling access, and safety clearances directly impact the work scope.
3. The scale of conduit installation needed to route new commercial circuits safely – Older systems may need safety upgrades or permit coordination before adding new equipment.
4. Working around occupied tenant spaces or concrete partition walls – The power rating of the device or panel determines breaker sizes and service line requirements.

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Related Electrical Services

For additional commercial systems, consider these related solutions:

• Offer charging to employees or customers with commercial charging systems.
• Enhance retail space displays and outlets with our retail electrical installations.
• Improve workplace efficiency with our office electrical upgrades.

Helpful Resources

For more information and safety standards, you can refer to the commercial energy resources provided by the U.S. Department of Energy, or verify our active standing with the North Carolina State Board of Examiners of Electrical Contractors using our License #36565.