Kitchen Lighting: Layers, Placement and What the Energy Code Expects

Most disappointing kitchens are lit by a grid of ceiling lights and nothing else. The room is bright, yet the counters are in shadow because the cook stands between the light and the work. Good kitchen lighting comes from several sources doing different jobs, and it has to be planned early, since every fixture needs a wire, a box and a switch that go in before the walls are closed.

The three layers

The National Kitchen & Bath Association's planning guidelines put it simply: every work surface should be well illuminated by appropriate task lighting. That is a design guideline, not code, but it is the right test. Stand at each place you chop, wash or cook in the plan and ask where the light comes from.

Recessed lights: placement over spacing

There is no single correct spacing for recessed lights, because it depends on ceiling height, the beam angle of the fixture and its output. Placement matters more than count.

• Light the counters, not the aisle. A downlight centered in the walkway puts your shadow on the counter. Position perimeter downlights roughly above the front edge of the countertop so the light falls in front of you.
• Lay out from the work surfaces. Place lights over the sink, the main prep area and the island first, then fill in the room. A layout that starts as an even grid on the ceiling usually ends up lighting the floor.
• Watch the upper cabinets. A light too close to the wall is partly blocked by the cabinet or crown molding and throws a scallop of glare on the doors.
• Fewer, better fixtures. A ceiling crowded with cans looks busy. Under-cabinet lighting does the task work, which lets the ceiling carry less.

Under-cabinet lighting

If the budget allows only one upgrade, make it this one. Under-cabinet light puts illumination exactly where you work, with nothing to cast a shadow. Continuous LED strip or linear bars give more even light than separate pucks, which leave bright spots and dark gaps.

Details that separate a good installation from a poor one:

• Mount the light toward the front of the cabinet, behind a small rail or recess, so it lights the counter and you do not see the source.
• On a polished countertop, bare LED points reflect as a row of dots. A diffuser lens or a channel fixes that.
• Decide where the driver or transformer lives. It needs an accessible location, often inside a cabinet.
• Hardwire it to a wall dimmer. Plug-in kits mean visible cords and a wasted outlet.

Under-cabinet lighting has to be coordinated with the cabinet order, since some lines offer a built-in light rail or routed channel, and with the backsplash, since wire locations are fixed before tile goes up.

Pendants over islands and peninsulas

Pendants are task lights that also happen to be the most visible fixtures in the room. A common starting point is to hang them so the bottom sits about 30 to 36 inches above the countertop, then adjust for the height of the people in the house and the sightline across the room. That figure is a designer's convention, not a rule.

Two or three pendants are typical. Space them evenly along the island and keep them inside its ends so nobody walks into one. Pendants alone seldom light a large island evenly, so many plans pair them with a few recessed lights on a separate dimmer. Ceiling boxes for pendants are set during rough-in, so the island's final position has to be fixed first; see kitchen islands.

Dimming and switching

Put each layer on its own control. A kitchen at full brightness for cooking and the same kitchen at ten percent for a late glass of water are different rooms, and dimmers are what make one space do both. Practical points:

• Not every LED dims well with every dimmer. Have your electrician match the dimmer to the fixtures, and test one before all are installed, to avoid flicker and buzzing.
• Put switches at each entrance to the kitchen, grouped in a logical order.

Color temperature

Color temperature is measured in kelvin (K). Lower numbers are warmer and more yellow, higher numbers cooler and bluer. Most homes look right with warm white, around 2700K to 3000K, in the kitchen. Something near 3500K to 4000K reads as neutral and crisper. What matters most is consistency: use the same color temperature for every fixture in the room and in the rooms that open onto it, because mixed whites are obvious and look like a mistake. Northwest winters are long and gray, and many kitchens here run on electric light for much of the day, so view samples of your cabinet and counter finishes under the actual lights before deciding.

What the Washington energy code expects

The codes in force as of October 2026 are the 2021 editions, including the 2021 Washington State Energy Code, Residential. For a remodel it says:

• New lighting must be high-efficacy. Section R503.1.4 states that new lighting systems that are part of an alteration must comply with section R404.1, and R404.1 requires all permanently installed lighting fixtures to contain only high-efficacy lighting sources. Kitchen appliance lighting fixtures are excluded.
• Small changes are exempt. An alteration that replaces less than 10 percent of the luminaires in a space is exempt, provided it does not increase the installed interior lighting power.
• Untouched parts stay as they are. Unaltered portions of the building are not required to comply.

Two points we could not confirm and that you should check. The code's numeric definition of "high-efficacy" sits in its definitions section; ask your electrician or lighting supplier to confirm that the specific fixtures you choose qualify. And the code's section on lighting controls (R404.2), which calls for a dimmer, an occupant sensor or a similar control on permanently installed interior fixtures, is written for new lighting systems; whether it is enforced on a kitchen alteration is a question for your permitting office. Since a layered plan already puts everything on dimmers, a well-designed kitchen normally satisfies it either way.

Washington's electrical rules also require additions and alterations to conform to the current code while letting existing lawful wiring continue unchanged. For kitchens, that includes arc-fault protection on new or modified 120-volt lighting and receptacle circuits. The circuit rules are explained in kitchen electrical code in Washington.

Why lighting is planned before drywall

Lighting is a rough-in trade. The cable, the fixture housings or boxes and the switch boxes are installed while studs and joists are exposed, then inspected. The Vancouver Municipal Code requires work to remain accessible and exposed for inspection until it is approved, so the ceiling cannot be closed before the rough electrical inspection passes. After drywall, moving one light means cutting, patching, texturing and repainting a ceiling.

That is why these decisions are needed earlier than most people expect:

1. The final cabinet and island layout, which fixes where task light is needed.
2. The fixture types, so the right housings and boxes go in.
3. The number of switch zones and where each switch goes.
4. Any low-voltage lighting, with its driver locations.

The inspection sequence is described in kitchen remodel inspections. If easier seeing is a priority for someone in the household, aging-in-place kitchen design covers glare and light levels.

Budgeting for lighting

JDI's published planning range for a full lighting redesign as a kitchen add-on is $2,000-$6,000, before sales tax. It is a planning range, not a quote; the number of fixtures, the condition of the existing wiring and how much ceiling is already open all move a project within it. JDI Construction draws the lighting with the cabinet layout so both are settled before rough-in. To talk through a plan for your kitchen, start at our Vancouver kitchen remodeling page.