EFFECTIVENESS ANALYSIS FOR RELAMPING REGARD TO AN OVERALL COSTS.

Light and lighting, with this need we encounter in everyday life. During the day, it fills this need sunlight but there are cases when it is necessary to illuminate interior spaces during the day. In another situation we face at night when it is necessary to illuminate indoor or outdoor spaces artificially. This need for interior lighting fills the artificial lighting and discipline that deals with the lighting is called lighting technique. Well as other industries also lighting, respectively lighting technology goes through the development of new technologies. This paper deals with lighting, specifically analyzing the effectiveness of relamping in terms of investment costs. The first part of the article is devoted to the basic theoretical knowledge of the field of lighting technology. Subsequently are characterized further light sources. The last part of the article is the analysis and compares costs for different light sources and from the perspective of the average and useful life. [ABSTRACT FROM AUTHOR]