Wall-mounted luminaires

Illuminating the ground with half-shielded wall-mounted luminaire

h <= 1.60m

Luminaire spacing up to 2x mounting height
d = 2h

Ceiling / wall-mounted luminaires

Orientation lighting with diffused beam

Luminaire spacing up to 2x mounting height

d = 2h

Distance to wall: half the luminaire spacing

c = d/2

An odd number of luminaires is preferred