The red portable telephone handset comes with a coiled cord and a male phone plug which plugs into the SH-FJ Fire Fighter’s Telephone Jack, allowing Fire Fighters to make direct communication with the main control panel. The Fire Fighter’s Telephone Jack consists of a single phone jack which is mounted on a single gang, stainless steel plate. The stainless steel plate is clearly marked “FIREMAN PHONE” and mounts to any standard single gang box.