Many standards and codes must be followed while lighting. Standards and codes are the combination of the various performance and specifications criteria. With the specifications given, addition of new materials or techniques can be a very long and cumbersome process. The introduction of new technology has been enhanced with the existence of the performance requirements. For each new lighting venture, all the existing major standards and codes must be surveyed so that you do not end up doing something undesirable. All the aspects of construction are covered under the structural and environmental headings. The standards and codes will also offer a small discussion on the agreements, differences and deficiencies. To survey all the major standards and codes, accessing a directory is the best thing to do. Various performance requirements can also be established with the help of selected reference including the ones mentioned in the directories. Most of the lighting designers consider these standards and codes as a just another set of conditions to be fulfilled for obtaining the building permit. However, this is not the thing as they are necessary to improve the performance conditions too. So consulting the directories can be good idea to get a hassle free construction and designing and enhance the lighting performance.