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Can You Put a Vanity Light in a Shower or Over a Bathtub?

A vanity light is not automatically safe for a shower or bathtub. Fixture placement, water exposure, markings, installation instructions and local code all matter.
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Sometimes—but a vanity light is not automatically suitable for a shower or a position over a bathtub. Its location, exposure to water, fixture type, product markings and installation instructions must all be compatible with the electrical code adopted where you live. If the light is within or close to the tub or shower area, confirm the exact installation with a qualified electrician or local electrical inspector.

What the cited code says about lights near a tub or shower

The 2021 International Residential Code (IRC), as reproduced by the International Code Council, sets out a location-based marking requirement: luminaires within the actual outside dimension of a bathtub or shower, up to 8 feet vertically from the top of the tub rim or shower threshold, must be marked for damp locations. Where they are subject to shower spray, they must be marked for wet locations. Read the 2021 IRC text reproduced by ICC.

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The same IRC text says damp- or wet-location luminaires must be installed so water cannot enter or collect in wiring compartments, lampholders or other electrical parts. A suitable marking therefore does not remove the need to follow the fixture’s installation instructions.

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Why “over the bathtub” is not a simple yes or no

The relevant question is not just whether a light is called a vanity light, or whether it is mounted above the tub. Its position in relation to the tub or shower, how water can reach it, its fixture style and the rules adopted locally all matter. Code language also restricts certain cord-connected and suspended luminaires in the bathtub or shower zone. A wet-location marking alone does not show that every fixture style or placement is permitted. The 2021 IRC text reproduced by ICC addresses marking and installation; it should not be treated as approval for a particular light.

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Damp-rated versus wet-rated

  • Damp-location marking: The cited 2021 IRC requires this for luminaires in the specified tub or shower area up to 8 feet above the rim or threshold.
  • Wet-location marking: The cited text requires this where a luminaire in that area is subject to shower spray.

Choose a fixture only after checking its actual marking and manufacturer’s instructions against its exposure and location. Do not assume a damp-rated light is enough where spray reaches it, or that wet-location marking overrides restrictions on fixture type or position.

Local code can change the answer

The locally adopted electrical code and any amendments govern a specific installation. Seattle’s 2023 Electrical Code Quick Reference, for example, includes local amendment language and describes a five-foot horizontal distance for certain prohibited cord-connected and suspended luminaires. Its text also includes Seattle-specific language about damp- and wet-location markings. Those details illustrate why Seattle’s rules should not be applied as a nationwide measurement. See Seattle’s 2023 Electrical Code Quick Reference.

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NFPA code-development material from the 2022 NEC cycle reproduces proposed language about location and damp- or wet-location markings. It is useful context, but a code-development record does not establish which rule is currently adopted at a particular address. See the NFPA code-development material.

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How to check a fixture before installing it

  1. Locate the fixture precisely. Establish its position relative to the tub rim or shower threshold, and whether shower spray can reach it.
  2. Check the exact fixture. Read its location marking and installation instructions. Confirm that the fixture style and proposed placement meet those instructions.
  3. Check the rules for your address. Ask the local electrical authority which code edition and amendments apply; do not substitute another city’s quick reference or proposed code language.
  4. Get a qualified assessment when needed. If the light is in or close to the shower or bathtub area—especially if spray may reach it—ask a qualified electrician or local electrical inspector to assess the exact installation.

No particular vanity light or shower light is established here as suitable for a specific bathroom. That determination requires the exact fixture documentation, placement and locally applicable code.

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