1. What standards should be taken into account to make the construction of cameras We should note that only licensed and certified personnel must have access to the construction and maintenance of vaults and chambers to ensure complete safety. Proper handling and training by using appropriate tools and protective clothing to prevent accidents. It is important for the construction of chambers having an excellent infrastructure and good materials as a set of poles, cables, ducts, transformers, substations and equipment comprising the power distribution system to attack, must be certified by the corresponding entities self-control standard and quality.