Book Development Process

Zhaga's role is to standardize LED light engines and related components such as LED modules, holders and LED drivers. It does this by creating a set of interface specifications, known as Books.

The lighting industry requires a range of different light-source form factors that are suitable for a range of different applications, which has resulted in a series of Zhaga Books rather than one single specification.

In developing new Books, Zhaga looks at the industry's requirements for standardized components, but also avoids the development of too many light sources with arbitrary variations.

Zhaga Books start life as proposals made by Zhaga-member companies. Using these proposals, the members work collaboratively to create specifications that serve the lighting industry’s best interests.

New Books

The Zhaga Consortium has adopted a five-step process for developing new Books, as described below. For more details, please download our presentation.

Specification development process

Phase 1: Collecting proposals

At any time, Zhaga members are able to submit proposals for LED light sources (LED light engines and LED modules) that they would like to have standardized by Zhaga.

Phase 2: Merger of proposals

The members study the differences between proposals for similar light sources and try to merge them into a single proposal. The goal of this phase is to avoid unnecessary and arbitrary variations.

Phase 3: Specification development

A draft specification is written and reviewed. Members build prototypes and verify interchangeability. The testing and certification procedure is put in place. At the end of this phase, the members vote to approve the new Book. 

Phase 4: Maintenance by Zhaga

A Zhaga work group creates revisions of the Book. These revisions clarify the specification and fix problems reported by the members, while maintaining compatibility with earlier Book editions. 

Phase 5: Maintenance by an SDO

Zhaga intends to transfer all its Books to a Standards Development Organization (SDO) such as, for example, the IEC. That transfer will take place once a Zhaga specification is stable and widely used.