NEC 410: Luminaires, Lampholders, and Lamps
What This Article Covers
NEC Article 410 covers luminaires (lighting fixtures), lampholders, and lamps. It specifies wet, damp, and dry location ratings, clearances near combustible materials, and the rules for recessed and surface-mount luminaires.
Key Requirements
- Luminaires installed in wet locations must be listed for wet locations
- Luminaires in damp locations must be listed for damp or wet
- Recessed luminaires must maintain clearance from thermal insulation unless IC-rated
- Pull chain switches in damp/wet locations must be of the appropriate type
- Clothes closet luminaires must meet 410.16 clearance and type rules
Common Field Applications
- Selecting a wet-location-rated fixture for an outdoor patio
- Choosing an IC-rated can light for an insulated ceiling
- Installing a closet light — verify clearance
Common Mistakes & Inspection Failures
- Using a non-IC can light buried in insulation
- Installing a damp-rated fixture in a wet location
- Closet luminaire too close to storage area
Related NEC Articles
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What does NEC 410 cover?
NEC Article 410 covers luminaires (lighting fixtures), lampholders, and lamps. It specifies wet, damp, and dry location ratings, clearances near combustible materials, and the rules for recessed and surface-mount luminaires.
What are the key requirements of NEC 410?
Key requirements include: Luminaires installed in wet locations must be listed for wet locations; Luminaires in damp locations must be listed for damp or wet; Recessed luminaires must maintain clearance from thermal insulation unless IC-rated. See the full requirements list on this page.
What are common mistakes with NEC 410?
Using a non-IC can light buried in insulation Installing a damp-rated fixture in a wet location Closet luminaire too close to storage area
Related Resources
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