Artificial illumination for means of egress has to be lit at a value of at least:

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Multiple Choice

Artificial illumination for means of egress has to be lit at a value of at least:

The main idea is that places you must travel through—like corridors, stairs, and exits—need enough artificial light so you can see the floor, steps, doors, and any obstacles clearly when you’re moving, especially in an emergency. The minimum illumination required for means of egress is 1 foot-candle on the floor along the travel path. This level provides enough visibility to detect steps, edges, and potential hazards without wasting energy on lighting that’s more than you need. Lower values such as 0.5 or 0.75 foot-candle could leave dark patches that hide hazards, while 1.5 foot-candle is brighter than the minimum and isn’t required by the standard.

The main idea is that places you must travel through—like corridors, stairs, and exits—need enough artificial light so you can see the floor, steps, doors, and any obstacles clearly when you’re moving, especially in an emergency. The minimum illumination required for means of egress is 1 foot-candle on the floor along the travel path. This level provides enough visibility to detect steps, edges, and potential hazards without wasting energy on lighting that’s more than you need. Lower values such as 0.5 or 0.75 foot-candle could leave dark patches that hide hazards, while 1.5 foot-candle is brighter than the minimum and isn’t required by the standard.

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