Two types: 1) Standard type: with entry ports, most popularly used 2) Assembly type: cable array ... demands of clients Features: 1) Including galvanized steel entry panel, stainless steel clamps, entry ports, rubber boot and insert plug 2) ... Panel with 4" or 5" entry ports, types such as 1 port, 2, 3, 4, ... for airproofing 5) Suitable for all types of cables Cable Entry Systems