The branching cabinets and pedestals are made of 2 mm galvanized steel sheet and they have polyester coating for improved corrosion resistance. The roof is isolated to prevent condensation. Standard color is green RAL 7008. The cabinets protection class is IP34D, the furnishings are IP 20 class. The cabinets are tested according to the requirements of the EN 60439-1 and EN 60439-5.