Ideal Electrical Wing-Nut Wire Connector, 30-452, Red, 100-Pk

Expandable Copolymer Shell: Copolymer shell expands for smooth, progressive tightening providing dependable connections | Maximum Dielectric Protection: Deep skirt helps protect against flash-over and turned-back strands for maximum dielectric protection | Contoured Wing Design: Contoured wing design for secure grip, live-action spring expands to accept wire shape and size with no pre-twisting required | Flame-Retardant and Certified: Tough UL 94-Volt-2 flame-retardant shell rated at 221F, UL listed to 486C and CSA certified to C22.2 #188 | Wire Compatibility Specifications: For use with #18 to #8 AWG copper conductors, Minimum wire range: two # 18 AWG, maximum wire range: four # 10 AWG, Rated to 600-Volt max, 1000-Volt signs and fixtures, Use on bare copper wire | Reusable Design: Can be reused on same size or larger wire combinations for quick and easy circuit changes and additions | Live-Action Spring Technology: Wide range, live-action spring is flexible enough to handle small combinations with ease but expands to accept large combinations when needed