Retail and Franchise Build-Out Electrical in San Antonio: From Prototype Plans to Opening Day

Retail and franchise build-out electrical is shaped by two things the electrician does not control: the brand's prototype drawings and the opening date. A franchisor hands the franchisee a design that works in its other stores, and a date that the lease, the hiring plan and the marketing are already built around. The electrical work has to deliver the brand's standard in a specific San Antonio space, under the local code, without moving that date. This guide explains how that is done and where it usually goes wrong.

Prototype plans meet a real site

A prototype set shows the store as the brand wants it: fixture locations, sign locations, the cash wrap, the back room and the equipment. It does not know the space you leased. The existing panel may be in the wrong place, the service may be smaller than the prototype assumes, and the storefront may face a different direction. The drawings for the permit are adapted to the real site by the brand's architect or a local design professional.

The electrical contractor's job at this stage is to price from the adapted plans and to flag what the local code changes. Inside San Antonio that means the 2023 National Electrical Code, which the city adopted effective May 1, 2025, and the Texas energy code requirements for lighting power and controls. A prototype written for another state may assume an older code edition or different energy rules, and those differences are better found at bid than at inspection.

Check the service against what the brand runs

Retail spaces in strip centers and pad sites come with a service sized for the last tenant. A clothing store and a smoothie franchise draw very different loads. The first question is whether the existing service and panel can carry the new store's lighting, HVAC, signage and equipment. A load calculation under NEC Article 220 answers it, using the brand's equipment schedule.

When the answer is no, the service or panel has to grow, which can involve the landlord and the utility and adds lead time. Our panel upgrade service explains what that work involves, and why it is worth knowing about before the lease is signed.

Signs, displays and the storefront

Signs are where retail electrical work most often gets surprised. The NEC requires a sign circuit for each commercial building and each commercial occupancy accessible to pedestrians, at the entrance, so the sign company has a place to connect. Pylon and monument signs need power run underground from the building or from a separate source, and the landlord's sign criteria often control how and when signs can be lit. Settle who supplies the sign, who wires it and who connects it before the bid is final.

Inside the store, the brand's display lighting, track lighting, illuminated shelving and refrigerated cases each need power in exact locations. Retail fixtures move less than office furniture, but when they arrive from a fixture vendor they have to land on top of a receptacle or a floor box that was placed months earlier from the drawings. A walk of the layout with the general contractor before rough-in catches most of the mistakes.

• The sign outlet at the entrance and power for any pylon or monument sign.
• Storefront and window display lighting on its own controls or timer.
• Track and display lighting circuits to the fixture plan.
• Floor boxes and receptacles for gondolas, cases and the cash wrap.
• Exterior lighting at doors, the parking area and the back of the store.

Point of sale, security and the back room

The cash wrap is small, but it carries the registers, card readers, receipt printers and often a network switch. Brands usually want those on dedicated circuits, sometimes with an isolated ground receptacle, so a vacuum cleaner plugged in at the counter cannot drop the registers. The back room holds the network closet, the security system recorder, the alarm panel and any equipment the brand specifies. All of it needs power in the right place and, for the network and security gear, circuits that are not shared with anything else.

Food and beverage franchises add a kitchen with heavy equipment and stricter rules, which we cover in our restaurant electrician guide.

Lighting and the energy code

Retail lighting is held to a lighting power allowance under the energy code, and display lighting is treated separately from general lighting in many cases. Most brands now specify LED throughout, which makes the allowance easier to meet. The controls still matter: automatic shutoff after hours, separate control of display and general lighting, and daylight controls near large storefront windows where the code requires them. The inspector checks those controls, so they belong on the plans.

If an existing store needs better light without a full remodel, our LED lighting retrofit page covers how that work is done in an occupied space.

Working back from the opening date

A franchise opening date usually has a soft opening, training days and a grand opening attached to it. The schedule works backward from the final inspection and the certificate of occupancy. Before the final, the above-ceiling inspection has to pass. Before that, rough-in. Before rough-in can start, the permit has to be issued through the City of San Antonio Development Services Department, or the suburban city's permit office, and any long lead items such as a new panel, a transformer or switchgear have to be ordered.

The electrical contractor pulls the electrical permit and meets the inspector at each stage. Equipment from the brand's vendors, like menu boards, coolers and displays, often arrives late in the job, so the rough-in for it has to be right the first time. When the center is open around the store, shutdowns to tie into a shared panel or a feeder are scheduled with the property manager, often after hours.

Who supplies what

Most retail change orders come from one question: who supplies the fixture, the sign or the equipment, and who installs it? Brands often supply decorative fixtures, signs and specialty equipment and expect the electrician to install and connect them. Other brands expect the contractor to buy everything to a specification. A clear bid has a line for each, and at Wattsmith every change after that gets a written price and your approval before the work is done.

Some brands also send a construction manager or a punch list from the franchisor before opening. That list often includes electrical items: a fixture on the wrong circuit, a sign that is not on its timer, a receptacle missing at the cash wrap. Building the store to the plan the first time keeps that list short, and a marked up set of drawings showing what was actually installed gives the franchisee a record to keep. The same record helps when the brand rolls out a remodel package, because the electrician can see what is behind each wall without opening it.

Second and later locations

A franchisee opening a second or third store in the area can save time by carrying forward what was learned on the first. The prototype questions are already answered, the brand equipment list is known, and the panel schedule from the first store is a template for the next one. What changes is the site: the service size, the panel location, the sign criteria of the new center and the permit office of the city it sits in. Starting the electrical review of a new site before the lease is signed lets those differences show up while there is still room to negotiate with the landlord.

For the inspection sequence in detail, see our guide to tenant build-out electrical and our tenant build-out service page. For the rest of what we do for businesses, see our commercial electrical services.