TECNICAS ELECTRICAS MAYRA, S.L., was founded in 1972 as an individual company and in 1998 as a limited company, for the manufacture, commercialisation and distribution of a patented product and other electrical components designed for fire, water and gas isolation protection in electrical installations where required. We have also developed and patented a system consisting of a clamp and a closure, manufactured in polyamide for fixing electrical conductors to different types of commercial ribbed trays.