Slotted trunking and black electrical trunking has flexible slots to allow the cable cover to easilly slide-on and off. The open slot construction also allows for cables to be threaded in and out of the trunking at any point making it easy and quick for engineers to install into distribution boards and panels. The Betaduct range of slotted finger trunking is available from CMW. Options include; open, closed and narrow models. Materials available include PVC, Halogen free and LFH Noryl. Slotted trunking comes in black and grey.