NENCO FOSC Dome 144 Fibre Capacity - NNFOSC306ADescription Nenco external dome splice closures are ideal for branch connections for up to 144 fibre terminations. They can be mounted on walls, direct buried or on poles with resistance to UV, vibration and have a water tight seal. The enclosure is made from moulded plastic and has an IP68 9 rating. They also have an excellent temperature range of 40 degrees to +65 degrees for long term reliability. They are available with both mechanical and heat