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Lights vs. Power Installation

Lights vs. power installations in common types of buildings and rooms.

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The table below can be used as a guide to installed light power in some common types of buildings and rooms.

Typical Lights Power Installation
Type of Building/Room	Light Power (watts/Sq.Ft.)
Apartments	1.0 - 4.0
Banks	2.0 - 5.0
Bars	1.5 - 2.0
Cafeterias	1.5 - 2.5
Churches	1.0 - 3.0
Clubhouses	1.5 - 2.0
Cocktail Lounges	1.5 - 2.0
Computer Rooms	1.5 - 5.0
Court Houses	2.0 - 5.0
Dental Centers	1.5 - 2.5
Department Stores	1.0 - 3.0
Dining Halls	1.5 - 2.5
Drug Store	1.0 - 3.0
Fire Stations	2.0 - 3.0
Hospitals, General Areas	1.5 - 2.5
Hotels Public Spaces	1.5 - 3.0
Kindergarten	1.0 - 3.0
Kitchens	1.5 - 3.0
Jail	1.0 - 2.5
Libraries	1.0 - 3.0
Luncheonettes	1.5 - 2.5
Lunch Rooms	1.5 - 2.5
Malls	1.0 - 3.0
Medical Centers	1.5 - 2.5
Motels Public Areas	1.5 - 3.0
Motels Guest Rooms	1.0 - 3.0
Municipal Buildings	2.0 - 5.0
Museums	1.0 - 3.0
Nightclubs	1.5 - 2.0
Nursing Home Patient Rooms	2.0 - 3.0
Police Stations	2.0 - 3.0
Post Offices	2.0 - 3.0
Precision Manufacturing	2.0 - 3.0
Residential	1.0 - 4.0
Retail Stores	2.0 - 6.0
Restaurants	1.5 - 3.0
School Classrooms	2.0 - 6.0
Shops	1.0 - 3.0
Supermarkets	1.0 - 3.0
Taverns	1.5 - 2.0
Town Halls	2.0 - 5.0

1 ft² = 0.0929 m² = 144 in² = 0,1111 yd²
1 watts/ft² = 10.8 watts/m²

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