Research Article

LED Context Lighting System in Residential Areas

Table 1

Recommended level of illuminance (KS A 3011, IESNA).

ClassificationKorea (KS) [lx]U.S. (IESNA) [lx]

Living room
 General30-40-6050-75-100
 Activity (family activity, entertainment)150-200-30050-75-100
 Activity (reading)300-400-600200-300-500
 Activity (exercise)150-200-300200-300-500
Bedroom
 General15-20-3050-75-100
 Activity (makeup)300-400-600200-300-500
 Activity (reading)300-400-600200-300-500
Study room
 General60-100-15050-75-100
 Activity (reading)600-1,000-1,500500-750-1,000
Dining room
 General60-100-15050-75-100
 Activity (dining table, kitchen table)300-400-600100-150-200
 Activity (sink)150-200-300500-750-1,000
Bathroom
 General60-100-15050-75-100