If the structure has a CCTV (shut circuit tv) system, the riser cable televisions will certainly run inside this riser shaft to link to top floorings of the structure. In several structure layout, a solitary riser shaft is utilized to run all the ELV (additional reduced voltage) solutions to the top floorings. They are efficient in a wide array of electrical solutions once they have passed their licencing examinations. The electric riser areas do not need to be piled read more