For effective illumination, how many foot candles should a reading lamp provide?

A reading lamp should provide around 20 foot candles for effective illumination. This level of brightness is generally considered optimal for reading and task-oriented activities. It ensures that text is easily readable without causing strain on the eyes, which is essential in maintaining good visual comfort and health.

In various professional settings, including health facilities, ensuring adequate lighting is crucial not only for comfort but also for safety and efficiency. Poor lighting can lead to errors or safety hazards, while optimal lighting promotes productivity and reduces fatigue. This benchmark of 20 foot candles is based on ergonomic studies that highlight the balance between adequate visibility and energy efficiency.

Choosing this illumination level reflects an understanding of the importance of appropriate lighting in enhancing focus and minimizing distractions, which is vital in environments that require attention to detail, like reading or studying.