All cable junction boxes in the T series are UV-resistant. They are made of polypropylene (a thermoplastic) and have closed side walls. Required openings can be made at any point. EDK plug-in seals or cable glands with lock nuts can be inserted into these openings to insert cables. The cable junction boxes can be mounted on mounting plates in openings on the floor using 3.5 x 9.5 self-tapping screws. Clear internal dimensions: 176x135x67 mm Lid with labelling field and sealable.