Strong lighting in which the beams all travel in one direction and defined shadows are cast

Lighting that casts all, or at least 90%, of its light downward. The term can also refer to the distribution of light or the fixtures that produce this type of lighting. With intense beams, direct lighting is very dramatic, rendering forms and textures well. Typical fixtures include recessed lights, track lights, some pendant lights and task lights.

Lighting which distributes 90 to 100 percent of the emitted light in the general direction of a specific surface, usually the worksurface. The term usually refers to light emitted in a downward direction.

Lighting involving luminaires that distribute 90 to 100% of emmited light in the general direction of the surface to be illuminated. The term usually refers to light emitted in a downward direction.

Lighting in which the greater part of the luminous flux from the luminaries reaches the surface (usually the working plane) directly, i.e. without reflection from surrounding surfaces. Luminaries with a flux fraction ratio less than 0.1 are usually regarded as direct. Page 44 VPN 98-030 V03 Products: Power Analyzers Voltech Application Note 101

A form of lighting where a minimum of 90% of the light produced is cast in a downwards direction.

light travels straight toward an object or surface that produces sharp shadows. Direct lighting light travels straight toward an object or surface that produces sharp shadows.

Light which shines directly onto a surface without intervening reflection between the light source and the surface.