Signing a lease is only the beginning. Before you can open your doors, your space has to meet a specific set of commercial electrical requirements for a tenant build-out, and missing even one of them can push your opening date back by weeks. Here is what actually has to happen, in the order it happens, from the first walkthrough to the final inspection.
Start With a Load Assessment, Not a Wish List
Most tenants come to us with a layout plan and an equipment list, but the real starting point is different. We calculate the electrical load your space will actually draw once every piece of equipment, every light, and every outlet is running at once.
This step reveals whether the existing panel and service size can support your business, or whether the landlord’s base building electrical stops are well short of what your operation needs. Restaurants, medical offices, and gyms tend to uncover a gap here more often than a standard office suite does, since kitchen equipment, imaging devices, and heavy machinery all draw far more than typical office loads.
The Electrical Requirements Every Build-Out Must Meet
Once we know your load, the actual commercial electrical requirements for tenant build-out work fall into a few categories that inspectors check every time.
Life Safety and Egress
Illuminated exit signs and emergency lighting connected to battery backup are required in nearly every commercial occupancy. These systems have to activate automatically the moment normal power is lost, and they get tested during inspection.
Panel Capacity and Dedicated Circuits
Specialized equipment such as commercial kitchen appliances, medical devices, or server racks typically needs its own dedicated circuit rather than sharing a general-purpose one. If your panel cannot support the additional circuits, an upgrade or subpanel becomes part of the project.
ADA Accessible Devices
Certain occupancy types, including medical offices, daycare centers, and public-facing retail, require switches and outlets mounted at accessible heights and operable without tight grasping or twisting.
Lighting and Energy Code
Most jurisdictions now require energy-code-compliant lighting, which usually means LED fixtures paired with occupancy sensors in applicable spaces. This affects both your fixture selection and the final energy calculations you submit with the permit.
The Permit and Inspection Timeline
Meeting the commercial electrical requirements tenant build-out inspectors expect means working through a defined process, not just wiring the space and hoping for the best.
Plan Submission
Engineered electrical drawings typically get submitted alongside your building permit application. Larger or more complex projects often need a licensed engineer’s stamp before the jurisdiction will review them.
Rough-In Inspection
Once wiring, boxes, and panel work are in but walls are still open, an inspector checks the rough-in before anything gets covered. Failing this step means opening walls back up, which is the single biggest cause of build-out delays.
Final Inspection and Certificate of Occupancy
After devices, fixtures, and life safety systems are complete and tested, a final inspection clears the space for your certificate of occupancy. Skipping or rushing this step can leave you legally unable to open on your target date.
Coordinating With Your Landlord and General Contractor
The commercial electrical requirements for tenant build-out projects rarely stop at code. Your lease also defines what the landlord’s base building electrical includes and what falls to you as tenant improvement work. Reading this section closely before construction starts avoids disputes over who pays for panel upgrades or service increases discovered mid-project.
We also coordinate directly with your general contractor and property manager, especially in multi-tenant buildings where power shutdowns need to be scheduled around neighboring businesses.
Mistakes That Push Back Your Opening Day
The most common delay we see comes from skipping the load calculation and discovering mid-construction that the panel cannot support the business. A close second is assuming existing lighting or outlets meet current code, when older buildings were permitted under a previous code cycle entirely and never updated.
Unpermitted work is the costliest mistake of all. It can stall your certificate of occupancy indefinitely and create liability for both you and your landlord. It often costs more to correct after the fact than it would have cost to do it the first time correctly.
Let Us Handle Your Build-Out the Right Way
Meeting every commercial electrical requirement for your tenant build-out takes coordination between your lease, your equipment needs, and local code, and we manage that process from the first load calculation through final inspection.
We have served Dunwoody, Sandy Springs, Alpharetta, Roswell, and Brookhaven since 2004, working directly with landlords, general contractors, and business owners to keep projects on schedule.
Call Bray Electrical at 770-525-3979 or book online today, and let us help you open your doors on time and fully code-compliant.
Frequently Asked Questions
Every build-out needs a load calculation, code-compliant wiring, emergency lighting, and a permit with inspections before you can legally occupy the space.
This depends on your lease terms. Base building upgrades are often the landlord’s responsibility, while tenant-specific circuits are usually the tenant’s cost.
Timelines vary widely by jurisdiction and project size, ranging from a few days for a small office to several weeks for complex spaces.
Requirements depend on your occupancy type. Public-facing and certain licensed facilities typically require accessible switch and outlet heights.
Unpermitted work can be red tagged, delay your certificate of occupancy, and create liability for both the tenant and the property owner.
