This publication will introduce you to principles of lighting design for building interiors. The concepts and considerations of visibility, glare, uniformity and illuminance will be explained and discussed. You will learn about lighting controls and their importance in operation of lighting systems and energy conservation. You will learn about recommended applications for a wide variety of luminaires and lamps. Application of these principles and equipment will be illustrated with recommendations and guidelines for the various spaces in the most common commercial building type, office buildings.