Different protection modes of ex led luminaires

The scope of this paper is to highlight the different types of protection used in LED light sources making a complete overview of what is actually present on the market; the paper analyses different advantages and disadvantages of all type of protection. In particular, this paper aims to identify, and clarify from different points of view, all the Ex protections applied on LED lighting giving the reader a fully comprehensive understanding of the best solution which fits at best users' needs, describing all the advantages and disadvantages of each solution both from technical and economic points of view: indeed the knowledge and the correct use of appropriate LED lighting solutions allow to obtain numerous advantages compared with the use of traditional ones such as a lower power consumption and a higher number of operating hours.