nVent Hoffman ATC48R489 T3-Box Telephone Cabinet, Type 3R Steel T-3 Box Telephone Cabinet Type 3R for outdoor use ideal to mount and house telephone terminations, crossconnect terminal block assemblies, telecommunications circuit accessories, cable-splice enclosures, maintenance terminal modules, network interface devices, wireguide assemblies and telephone protectors. Includes 3/4" plywood backplate for mounting equipment and cover with lift off hinges and tamper resistant quarter turn latches with padlock hasp, 4-position grounding bar #14-2/0, standard knockouts, and Gray powder coat finish inside and out.