| Primary value | 100 - 200 lux |
| Applies to | Residential living rooms · Family rooms · Drawing rooms |
| Exceptions | Task areas (reading) → 300-500 lux |
| Measured as | Average maintained illuminance on the working plane. |
| Source | NBC 2016 — Part 8, Section 1, Table 1 ✓ Verified |
Living rooms host varied activities — TV watching, conversation, casual reading, entertainment. The 100-200 lux range is the comfortable middle ground that suits all of these without being clinical.
Most living rooms use layered lighting: ambient ceiling light (~150 lux) + accent lighting + task lamps for reading (~400 lux locally).