The empty industrial housings of the TK range come in a wide variety. The outer walls are either smooth or knocked out with pre-stamped membranes. The covers are available in black transparent and light grey. Produced from glass-fibre reinforced polycarbonate, with IK08 they are also able to withstand tough industrial environments, are weatherproof, impact-resistant, and with IP66 also well suited for use on protected external walls. The housings are DLG and c UL us certified. Various accessories can be purchased in addition to the TK quality products. Such as, for example: Mounting plates, cover screws and standardised rails.