3M(TM) Wire Connector T/R+Box, Super Tan, 100 per Box · Incredible wire range (2 #18 up to 5 #12) · One connector replaces 3 (yellow, red & tan) in the majority of all field applications · Smooth, comfortable feel · Compact size and red miniskirt · Quick bite spring design · Comfortable wing design for a better grip · Can be installed with 3M(TM) WCD-P Wire Connector Drivers Use a 3M(TM) Wire Connector T/R+ to electrically connect two or more conductor ends in a pigtail application and insulate the connection.