Quick Hits

Episode 3: Uses Permitted & Uses Not Permitted (402.10 – 402.12)

SLIDE 1 (HOOK / COVER)

⚡ NEC Quick Hit: Permitted & Prohibited Fixture Uses (Part 3) ⚡

Luminaire tap rules, enclosed protection requirements, and branch-circuit bans—let's review Sections 402.10 through 402.12! 👇

SLIDE 2 (USES PERMITTED - 402.10)

Where Fixture Wires Are Allowed:

• Enclosed Spaces: Permitted for installation in luminaires and similar equipment where enclosed or protected and not subject to bending or twisting in use.

• Branch-Circuit Taps: Permitted for connecting luminaires to the branch-circuit conductors supplying them (transitioning via junction boxes or wiring compartments).

SLIDE 3 (USES NOT PERMITTED - 402.12)

Strict Code Restrictions:

• No Branch-Circuit Substitute: Fixture wires shall not be used as general branch-circuit conductors.

• Exposed Runs: Prohibited from being run openly across building surfaces or installed in locations subject to physical abuse or excessive mechanical stress.

SLIDE 4 (WRAP-UP) 💡 Apprentice Pro-Tip: 

You can use fixture wire as a tap conductor from a junction box to a luminaire, but you can never use it to run a general power circuit across a building!

💬 Save this post for your next commercial lighting rough-in!

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