Recessed floor luminaires square
Focus wallwashers
Offset from wall: one third of the wall height
a = h/3 to a = h/2
Luminaire spacing up to 1.5x offset from wall
d = 1.5a
Distance to wall: half the luminaire spacing
c = d/2
Lens wallwashers
Offset from wall: one third of the wall height
a = h/3
Luminaire spacing up to 1.25x offset from wall
d = 1.25a
Distance to wall: half the luminaire spacing
c = d/2
Wallwashers
Offset from wall: one third of the wall height
a = h/2
Luminaire spacing up to 1.25x offset from wall
d = 1.5a
Distance to wall: half the luminaire spacing
c = d/2
Directional luminaires
Maximum distance to the base of object: one third of the object's height
a = h/3
For wallwashing with sculpture lens: for offset from wall select one third of the ceiling height
a = h/3
Luminaire spacing up to 1.5x offset from wall
d = 1.5a
Distance to wall: half the luminaire spacing
c = d/2
In-ground luminaires
For visual guidance on the ground
Luminaire spacing approx. 2x offset from wall
d = 2a
Distance to wall: half the luminaire spacing
c = d/2
Recessed floor luminaires round
Adjustable uplights for a grazing-light effect: offset from wall up to one sixth of the height of the projected beam
a = h/6
Luminaire spacing: to suit the design intention
c = d/2
Luminaire spacing: as specified, e.g. to suit column spacing
Uplights
Arrangement to suit the design intention or specifications
Lens wallwashers
Offset from wall: one third of the wall height
a = h/3
Luminaire spacing up to 1.5x offset from wall
d = 1.5a
Distance to wall: half the luminaire spacing
c = d/2
Directional luminaires
Maximum distance to the base of object: one third of the object's height
a = h/3
For wallwashing with sculpture lens: for offset from wall select one third of the ceiling height
a = h/3
Luminaire spacing up to 1.5x offset from wall
d = 1.5a
Distance to wall: half the luminaire spacing
c = d/2
In-ground luminaires
For visual guidance on the ground
Luminaire spacing approx. 2x offset from wall
d = 2a
Distance to wall: half the luminaire spacing
c = d/2