Question: Illuminating stairs requires: An electrical light source that uses an electromagnetic (EM) field. Cover on a luminaire that scatters light. Distribution of light when at

Illuminating stairs requires: An electrical light source that uses an electromagnetic (EM) field. Cover on a luminaire that scatters light. Distribution of light when at least 50 percent of the illumination is downward. A clear distinction between risers and treads

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