IES Foot Candle Recommendations

Use the selections below to find the foot candles you need for your application. Once you determine the foot candles, multiply the square footage of the space you are lighting by the foot candles for that application. This will tell you the total lumens you need to light the space.

Auditorium

Recommendations

Social activities 5-10 fc
Assembly only 10-20 fc
Exhibitions 10-50 fc

Commercial/Retail

Automotive

Showroom 25-100 fc
Service area 25-100 fc
Sales Lot (exterior) - Lighting Zone 3 (urban) 10-40 fc
Sales Lot (exterior) - Lighting Zone 2 (suburban) 7.5-30 fc

Banks

ATM 10-40 fc
Lobby general 10-50 fc
Writing areas 20-70 fc
Teller stations, posting & keypunch 50-150 fc

Barber Shops

Beauty Parlors 50-100 fc
Chemical Works 30 fc
Laboratory (professional) 75-120 fc

Gas Station

Gas Station Canopy 10-25 fc
Convenience Store 25-100 fc
Stock room 10-30 fc

Grocery, Supermarkets

Grocery/Supermarkets 25-100 fc
Circulation 10-40 fc
Stock room 10-30 fc

Laundries

Washing 20-50 fc
Ironing 20-100 fc

Offices

Accounting 50-100 fc
Audio-visual areas 20-50 fc
Conference areas 20-70 fc
Corridors, stairways 20 fc*
Drafting 50-200 fc
General and private offices 50-100 fc
Lobbies, lounges, break rooms, and reception areas 5-20 fc
Mail sorting. 50-100 fc
Off-set printing and duplicating area 20-50 fc
Open office 30-50 fc
Restroom 7.5-30 fc
Whiteboard (reading) 7.5-30 fc
Whiteboard (presenting) 15-60 fc
*Or not less than 1/5 the level in adjacent areas

Paint Shop

Spraying, rubbing, hand art, stencil 20-50 fc
Fine hand painting & finishing 50-100 fc

Printing

Photo engraving, etching, blocking 20-50 fc
Color inspecting 100-200 fc
Presses 50-100 fc
Proofreading 100-200 fc
Composing room 50-100 fc

Retail

Circulation area stockroom 10-30 fc
Department store 20-80 fc
Discount, Warehouse, Drug, Convenience 25-100 fc
Merchandising, serviced 30-100 fc
Merchandising, self-service 200 fc
Shopping mall 30 fc

Manufacturing/Industrial

Airplane Manufacturing

Drilling, riveting, screw fastening 75 fc
Final assemble, hangar 100 fc
Inspection 50-200 fc
Welding 50 fc

Assembly

Rough (easy seeing) 20-50 fc
Rough (difficult seeing) 50-100 fc
Medium 100-200 fc
Fine 200-500 fc*
Extra fine 500-1000 fc*

*Obtained with a combination of general light plus specialized supplementary lighting

Automobile Manufacturing

Final assembly, finishing, inspecting 200 fc
Body & chassis assembly 100 fc
Body parts manufacturing 100 fc
Frame assembly 50 fc

Clothing Manufacturer

Receiving, storing, shipping, winding, measuring 20-50 fc
Pattern making, trimming 50-100 fc
Shops, marking 50-200 fc
Cutting, pressing 100-500 fc*
Sewing, inspection 200-500 fc*

*Obtained with a combination of general light plus specialized supplementary lighting

Electrical Equipment Manufacturing

Impregnating 20-50 fc
Insulating coil winding, testing 50-100 fc

Foundries

Annealing furnaces 20-50 fc
Cleaning 20-50 fc
Core making 50-200 fc
Inspection (Fine) 100-500 fc
Inspection (Medium) 50-100 fc
Molding 50-200 fc
Pouring, Sorting 50-100 fc

Industrial/Manufacturing (Other)

Assembly & inspection (simple) 15-60 fc
Assembly & inspection (difficult) 50-200 fc
Assembly & inspection (exacting) 150-600 fc
Component manufacturer (large part) 15-60 fc
Component manufacturer (med. part) 25-100 fc
Component manufacturer (fine part) 50-200 fc

Iron & Steel Manufacturing

Stock, hot top, checker cellar, calcining 10-30 fc
Building, slag pits, stripping yard 20 fc
Core making 50-200 fc
Control platforms, repairs, mixer building 30 fc
Rolling mills 30-50 fc
Shearing 50 fc
Tin plate 50 fc
Motor room, machine room 30 fc
Inspection 100 fc

Machine Shop

Rough bench 20-50 fc
Medium bench, rough grinding, buffing 50-100 fc
Fine bench and work 20-500 fc*

*Obtained with a combination of general light plus specialized supplementary lighting

Paper Manufacturing

Beaters, grinding 20-50 fc
Finishing, cutting 50-100 fc
Hand counting 50-100 fc
Paper machine reel, inspection 100-200 fc
Rewinder 100-200 fc

Sheet Metal Works

General 100 fc
Tin plate inspection, galvanized, scribing 100-200 fc

Textile Mills

Cotton picking, carding, roving, spinning 50 fc
Beaming & slashing 150 fc
Drawing 200 fc
Others 100 fc

Welding

General 20-50 fc

Woodworking

Rough sawing and benchwork 20-50 fc
Sizing, planing, rough sanding, medium quality machine and bench work, gluing, veneering, cooperage 20-50 fc
Fine bench and machine work, fine sanding and finishing 50-100 fc