Wires b connectors used for low voltage, such as telephone, alarm wiring, telecommunication industry, networking, and security (CCTV) systems ect. ^^ White color coding for identification. Non-gel for indoor use, dry filled with white sleeve. ^^ No wire stripping or clean up needed. ^^ Made of insulation PVC material. Compatible with AWG 18-30 gauge wires ^^ Provided with piercing inner tines for connecting to wires.