Every habitable room — lighting: code vs good practice

Code: switched light or outlet*. Good practice: meet code.

Stairs (6+ risers) — lighting: code vs good practice

Code: switch at each floor. Good practice: meet code.

Code: high-efficacy (LED). Good practice: meet code.

Code: IC + airtight. Good practice: meet code.

Code: no specific requirement. Good practice: 2700–3000K.

Code: no specific requirement. Good practice: CRI 90+.

Systems · Chapter 22

Good lighting is layered: general light to move around, task light to work, accent light for mood. Code sets the minimum; layers make it pleasant.

NEC 210.70 lighting outletsNEC 410.16 closet fixtures2021 IECC R404 high-efficacy lightingIECC R402.4 airtight recessed fixtures

22.1

Most rooms need all three layers, each on its own switch or dimmer.

Light the task, not just the room.

The rest of Lighting: 2 more spreads, 11 drawings and 15 code citations, plus every other chapter, is part of the full fieldbook.

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