Polypropylene outer shell ensures it is appropriately insulated, making it ideal for tap or parallel splicing in a wide range of applicationsQuickly identify the wire size with connector's blue color-codingSelf-sealing and self-stripping design makes it simple to electrically connect a tap wire to a through wire safer and quickerEasily accommodates 18 to 16 AWG solid or stranded or through wires of 14 AWG strandedPowerful conductivity is provided by the brass element construction, and tin plating means that it resists corrosion with ease