涉及室内照明设计，主要是在工作场所，同时考虑自然和人工照明，并将照明与能源使用联系起来。该规范还包括照明系统的维护及其测量。该准则主要涉及工作场所，但可适用于许多娱乐和流通空间（但不适用于需要设计特殊效果的地方）。包括照明水平和眩光指数的详细表格，以及独立的计算图表和程序。

Deals with the design of interior lighting, primarily in workplaces, taking into account both natural and artificial lighting, and relates the lighting to energy use. The code also covers the maintenance of lighting systems and their measurement. The code is concerned primarily with workplaces, but can have application to many recreational and circulation spaces (but not where special effects are to be designed). Extensive tables for lighting level and glare index are included, along with detached calculation charts and procedures.