Telephone Line Cord 50 Ft Silver Satin 4 Conductor New in a Factory Sealed Bag Heavy Duty - UL Listed Manufactured With High Quality, 50 Micron Gold Connectors Flame Retardant PVC Jacket Certified and Tested Lead Free, Mercury Free, Cadmium Free, and PBB Free Will Work on a 1 or 2 Line Telephone (4 Conductor)