Kitchen electrical code requirements for a San Antonio remodel

If you are planning a kitchen remodel, the electrical is the part most people think about last and the part that most often holds up the job. Kitchen electrical code requirements apply the day the walls open, and a kitchen wired in 1975 almost never meets them. Plan it early and the inspection is a formality. Plan it after the cabinets arrive and you pay to move boxes, open new drywall and wait for a second inspection.

This guide explains what a remodel triggers electrically, in plain language: small appliance circuits, countertop receptacle spacing, GFCI and AFCI protection, dedicated appliance circuits, island receptacles, lighting, panel capacity and the permit. We describe what the rules require without quoting section numbers, because what matters is what you will see in the finished kitchen and what the inspector checks.

What a remodel triggers under kitchen electrical code requirements

Cosmetic work does not change the electrical rules. Replacing cabinet doors or a countertop on the same layout, with the receptacles staying where they are, generally leaves the existing wiring alone. Once the work involves new circuits, moved receptacles, new lighting or walls opened to the studs, the new electrical work has to meet the code the city currently enforces, and that work needs a permit.

In practice, almost every real kitchen remodel crosses that line. New cabinet layouts move the counter runs, new appliances need different circuits, and opening the walls is the one time it is cheap to fix what is behind them.

Opening the walls also shows what the original electrician left behind. In older San Antonio kitchens it is common to find ungrounded two-prong receptacles and splices buried in the wall without a box, and some homes from the late 1960s and early 1970s have aluminum branch wiring. Each of those is cheapest to correct while the drywall is off, and the estimate lists them separately so you decide what gets done.

Small appliance circuits feed the countertop

The countertop receptacles are fed by at least two 20-amp circuits called small appliance branch circuits. They exist because kitchens run heavy plug-in loads at the same time: a coffee maker, a toaster oven, a stand mixer and an air fryer can easily overload one circuit. Two circuits give those loads room, and spreading them across the counter keeps two high-draw appliances from landing on the same one.

These circuits serve receptacles only. Kitchen lighting, the range hood and the fixed appliances go on other circuits. A kitchen with lights on the countertop circuits is one of the common findings when an older kitchen is opened up.

Each new kitchen circuit, whether a small appliance circuit for the counter or a dedicated appliance circuit, is priced in our flat-rate book as the Kitchen appliance circuit, dishwasher or disposal task, from $1,089. You see the full list of circuits on the estimate and approve it before work starts. Starting price. Your tech confirms the final number on site before any work.

Countertop receptacle spacing, in plain language

• Any section of counter 12 inches wide or wider gets a receptacle.
• Receptacles are spaced along the wall so that no point on the counter is more than 24 inches from one. In practice that means a receptacle at least every 4 feet, plus one near each end of a run.
• Counter sections broken by a sink, range or refrigerator are treated as separate sections, each with its own receptacles.
• Receptacles sit just above the counter on the backsplash, not far up the wall where a cord cannot reach them.

Those rules are why the cabinet drawing matters. Move a sink, and a counter section changes length. Add an appliance garage, and a receptacle goes inside it. We lay out the receptacles from the final cabinet plan so they land where they are required and where you will use them.

GFCI and AFCI protection in the kitchen

GFCI protection shuts a circuit off when current leaks to ground, such as through a person touching a wet appliance. Every countertop receptacle needs it. Newer code editions extend GFCI protection to every receptacle in the kitchen and to the dishwasher. We design the kitchen to what San Antonio currently enforces at the time of the permit.

AFCI protection shuts a circuit off when it detects the arcing that happens in a damaged cord or a loose connection, which is a common cause of electrical fires. Kitchen circuits need it under current rules. Where both apply, a dual-function breaker in the panel provides both at once, which keeps the backsplash free of extra test buttons.

Our explainer on GFCI and AFCI outlets covers how each one works and why a dual-function breaker sometimes trips where an old kitchen never did. For receptacle work on its own, see our outlets and GFCI service.

Dedicated circuits for kitchen appliances

Beyond the countertop circuits, each fixed appliance needs a circuit planned for it. The appliance's installation instructions set the circuit size, and the inspector checks against them, so the model numbers belong in the plan before rough-in.

• Range or cooktop. An electric range, cooktop or wall oven needs a 240-volt circuit sized to the appliance. Induction cooktops often call for a larger circuit than the radiant range they replace.
• Dishwasher. Usually on its own circuit, with the protection the current rules require.
• Disposal. Often on its own circuit, or shared with the dishwasher only where both sets of instructions allow it.
• Built-in or over-the-range microwave. Usually its own circuit, because it draws heavily and runs at the same time as everything else.
• Refrigerator. Commonly given its own circuit, so a tripped countertop circuit never shuts off the food.
• Range hood and any under-sink instant hot water unit. Each follows its instructions for circuit size and location.

Switching from gas to an electric or induction range is one of the most common changes, and it is the one most likely to need panel capacity. Our guide to the cost to install a 240V outlet covers that circuit in detail.

Island and peninsula receptacle rules

Islands and peninsulas have their own receptacle rules, and those rules have changed between recent code editions. What applies depends on the edition San Antonio enforces when the permit is issued and on the size and shape of the island. We confirm the requirement for your layout at the design stage, so the floor box or cabinet-side receptacle is planned and the conduit is in the slab or floor before the island goes in. Retrofitting power to an island after the countertop is installed is the expensive way to learn the rule.

Kitchen lighting that meets code and works for cooking

Code requires a switched light at the kitchen entry. Good kitchens go further: general light from the ceiling, task light on the counters, and accent light where you want it. Recessed lights in a ceiling with insulation above must be rated for contact with insulation. Under-cabinet lighting removes the shadow your own body casts on the counter, and it is the change homeowners mention most after a remodel.

Hardwired under-cabinet lighting is listed in our book as the Under-cabinet lighting task, from $679. Wiring it during the remodel, before the backsplash is set, is the simplest time to do it. Starting price. Your tech confirms the final number on site before any work.

For recessed layouts, dimming and fixture choices, see our lighting installation service.

Panel capacity and the kitchen remodel electrical cost

A remodeled kitchen often adds four to six circuits: a second or third small appliance circuit, a dedicated microwave circuit, a larger range circuit, lighting, and sometimes a wine refrigerator or a beverage center. The panel needs open spaces for those breakers and the service needs the capacity to carry them. In older San Antonio homes on 100-amp service, an all-electric kitchen can be the change that tips the house over.

We check the panel at the design visit, not at rough-in. If there is room, the circuits go in. If there is not, you decide between a subpanel and a service upgrade before the walls open. Our guides to subpanel installation cost and the cost to upgrade an electrical panel to 200 amps cover both paths.

The kitchen remodel electrical cost comes down to the number of circuits, the lighting plan, how much of the wall and ceiling is open, and whether the panel needs work. With the walls open, each circuit costs less than it would as a retrofit later. With the walls closed, fishing wire through finished drywall takes more time on every run.

To plan all of it from your cabinet drawing before anything is ordered, our book lists the Remodel electrical consult task, from $499. You leave with a circuit list, receptacle and lighting locations, and a flat price for the electrical work. Starting price. Your tech confirms the final number on site before any work.

Call us with the scope of the remodel and we will tell you over the phone whether the panel is likely to need work before the design visit. Book the consult and bring the cabinet drawing.

The permit and inspections for a kitchen remodel

Electrical work in a kitchen remodel inside San Antonio is permitted through the Development Services Department, and the electrical permit is pulled by a licensed electrical contractor. Wattsmith Electric is licensed by TDLR under TECL 41806. There is a rough-in inspection with the walls open, before insulation and drywall, and a final inspection after devices and fixtures are installed. We schedule both and meet the inspector, and we coordinate with your cabinet installer and general contractor so the inspection does not hold up the drywall crew. The details are in our guide to electrical permits in San Antonio.

What to have ready for the kitchen remodel electrical cost

A firm number comes faster when the plan is on paper. Bring the cabinet drawing with dimensions, the model numbers for the range or cooktop, the dishwasher, the microwave, the hood and the refrigerator, and a note on anything special: a pot filler with an instant hot water unit, a beverage refrigerator, a charging drawer, or receptacles inside an appliance garage. Mark where you want pendants over the island and whether the recessed lights should be on more than one switch. Each of those decisions sets a circuit or a box location, and settling them before rough-in is what keeps the estimate and the finished kitchen the same.

When to call the electrician on a kitchen remodel

• Before cabinets are ordered, with the layout and appliance model numbers, so circuits and receptacles are planned around the final design.
• Before demolition, so the panel and service are checked while there is still time to plan a subpanel or upgrade.
• At rough-in, with the walls open and before insulation.
• At trim-out, after cabinets and counters, to set devices and fixtures and call for final.

Send us your cabinet drawing and the appliance list and we will tell you what the kitchen needs and what it costs, before your contractor sets a demo date. Call us to schedule the consult, or compare the published flat rates on our pricing page first.