The 220 mm duct carries up to 800 pigtails or patch cords (3mm dia) to a depth of 50mm, without causing excess stress on them, during the removal processes. This duct comes complete with a lid and is made of tough Noryl plastic with a non - halogen fire retardent. It connects to other 220mm duct sections and various bends, adapters etc., using joiner (Part No: TC1279-25, Telstra No: 035300515). Alternatively, a slotless joiner (Part No: TC1279-250A) can be used.
WBT ducting raceway items, conform to the following standards and requirements: