Wire combination range: 600V, 22 to 8 AWG, Min. 3 #22 - Max. 3 #11. Exceptional wire-range capacity - listed for hundreds of wire combinations from 22 to 8 AWG (solid and/or stranded) Ergonomic, easy-twist design - only a few turns are needed to achieve torque, without the need to pre-twist wire Square-cut springs stay in place, and firmly grip wire for superior connectivity Flexible outer shell virtually eliminates cracking, expanding to securely accommodate wire - indicated by white expansion lines Extended skirt length provides over-strip protection Sleek design helps reduce box fill Wire combinations: min. 3x22 AWG / max. 3x10 AWG CSA Approved 20 amp / 600V (CSA 22.2 #188 Certified) - Cu/Cu only Operating temperature up to 105 ºC / 221 ºF