Built-in cable pneumatic telescopic mast is formed by placing a spiral cable inside of the cylinder for the general mast, and is used to provide power or signal for load. It is characterized by satisfying customers’ special demands, such as attractiveness, neatness, protection and convenient installation.
The model of the built-in cable mast is A+ with code of N; its specification is denoted in the same way as the general mast, including section number, retracted height and maximum extended height.