RJ-11/12 keystone jack is 6-position 6-conductor (6P6C) and designed for voice application. The jack is compatible with all SF Cable RJ11 and RJ12 modular plugs and wallplates. Terminate with 110 punch down tool. Includes an integrated color wiring diagram. Compatible with all SF Cable wallplates, surface mount boxes, and blank patch panels. Works with all SF Cable modular phone wires. Available in black, ivory, white. Termination cap included. UL listed.