Illumination definition

Illumination means the act of lighting up a sign by way of an artificial light source located within, or external to, the sign and does not include flashing or intermittent lighting;

Illumination means the act of lighting up a sign by way of an artificial light source located within, on or external to the sign, the brightness and intensity of which are measured in lux and nits;

Illumination means lighting sources installed for the primary purpose of lighting a specific sign or group of signs.

Examples of Illumination in a sentence

• Illumination shall be not less than 2 foot-candles, with a uniformity not greater than 4 to 1, measured on the parking surface.

• Lighting for QA inspection shall meet the criteria described in SSPC Guide 12 (Guide for Illumination of Industrial Painting Projects) for inspection.

• The chromaticity of all navigation lights shall conform to the following standards, which lie within the boundaries of the area of the diagram specified for each colour by the International Commission on Illumination (CIE).

• The Engineer shall refer to TxDOT’s Highway Illumination Manual and other deemed necessary State approved manuals for design of continuous lighting and safety lighting for all conventional, high-mast, and underpass lighting.

• In case of Area Illumination Work payment of bill will be made only after completion of the work in all respects i.e. commissioning, testing and handed over the work to the user authority.

More Definitions of Illumination

Illumination or “illuminated” means a source of any artificial or reflected light, either directly from a source of light incorporated in, or indirectly from an artificial source, so shielded that no direct illumination from it is visible elsewhere than on and in the immediate vicinity of the sign.

Illumination means the lighting of any sign by artificial means;

Illumination means any sign with an artificial light source incorporated internally or externally for the purpose of illuminating the sign.

Illumination means radiant energy evaluated according to its capacity to produce visual sensation.

Illumination axis (symbol I)" means a line segment from the centre of reference to the light source.

Illumination means lighting of a Sign, in whole or in part, by artificial means directly or through any transparent or translucent material and when used in reference to:

Illumination means the act of lighting up a sign by a source of light, including an artificial light connected to a sign, or by a light focused upon or chiefly directed at the surface of the sign by way of an artificial light, or by a light placed within a sign so as to illuminate the sign from behind.