IDEAL 452 Red WING-NUT Wire Connectors (100-Pack) 30-452P - The Home Depot

The Ideal WING-NUT wire connectors provide an easy, secure grip when connecting a wide range of wires. Three models accommodate a wide range of circuit and fixture wiring combinations. The specially designed contoured wings make for extra torque and quick work on any electrical job

Highlights

Live-action spring expands to accept wire shape and size with no pre-twisting required

For use with #18 to #8 AWG copper conductors

Minimum wire range: 2 #18 AWG, maximum wire range: 4 #10 AWG

Rated to 600-Volt maximum

Deep skirt helps protect against flash-over and turned-back strands for maximum dielectric protection

Tough UL 94-Volt-2 flame-retardant shell rated at 221˚F

UL listed to 486C and CSA certified to C22.2 #188

Compliant with federal specification w-s-610E