The Basics of Efficient Lighting reference manual is a joint initiative of the E3 Program and the National Electrical and Communications Association (NECA)

Download the manual to understand the basic concepts of energy efficiency, sustainability, light and lighting design – and explore the key requirements of a lighting system and what standards need to be met.

This reference manual introduces the basic concepts of light and lighting, and explores the key requirements of a lighting system and what standards need to be met. It also explains what we mean by sustainability and energy efficiency and how good lighting design can contribute to these.