Micro Connectors, Inc 100 ft. 22 AWG/4 Conductors Gray Stranded Shielded RS-232 Cable M110-4C22G-100 - The Home Depot
Custom Cable Connection 22 AWG 4 Conductor Stranded Shielded Plenum Cable White CL3P Jacket for Security/Alarm/Access Control/Sound - 100 Foot Roll in a bag - Amazon.com