ABSTRACT
Study of this chapter will enable the reader to:
explain the use of day and artificial lighting;
use lux and lumen;
state normal lighting levels;
explain general and task illumination;
understand permanent supplementary artificial lighting of interiors (PSALI);
understand artificial lighting terminology;
assess the importance of the maintenance of lighting installations;
calculate the room index;
discuss the problem of glare;
calculate the number of lamps needed to achieve a design illumination level;
calculate lamp spacing for overall design;
calculate the electrical loading produced by the lighting system;
understand the use of air-handling luminaires;
understand lamp colour-rendering and colour temperature;
know the range of available lamp types;
understand the working principles of lamp types and their starting procedures.
