TE Connectivity, WireGrip Insulated Twist Bullet Connector, 0.64mm² to 2.59mm², 22AWG to 10AWG, 14mm Bullet diameter,

WireGrip connectors or wire splices with industry standard colour coding for wire sizes 22 AWG to 10 AWG. WireGrip twist-on splices have square-wire spring threads which provide a positive grip for a secure connection and are made from UL 94V-2 flame retardant thermoplastic. Maximum operating temperature of 105°C. Maximum voltage rating for the splices is 600 V for building wiring and 1000 V maximum in light fixtures, luminaries and signs. The blue and grey WireGrip are rated at 300 V. These connectors are for use with copper to copper connections only.

UL 486C, CSA 22.2 No. 188