Twister® wire connector with ribbed cap provides a secure grip and fast fingertip starts. Swept wings offer extra leverage and less effort for large wire combinations. Hexagonal shape accommodates standard nutdriver for tool installation. Live-action, square-wire spring locks onto wire for safe, secure connections. Deep skirt helps protect against flash-over and turned-back strands for maximum dielectric protection. Accepts 3 #14 to 4 #10 AWG wire combinations. Rated for 600 Volt maximum. Ribbed cap, swept wing, hex head; 600 v voltage rating; Copper wire; Wire size 18 to 6 awg; Wire combination size (3) #14 to 2#8 w/2#12; Live action, square wire spring; Gray color; Temperature rating 221 Degree f; Standard package 50 per box; Approval ul 486-c, csa c22.2, ce; 342 model; Features flame-retardant shell