IDEAL® WIRE-NUT® 30-273 73B Flame-Retardant Wire Connector, Fixed/Square Wire Spring, 22 to 14 AWG Wire, Aluminum/Copper Wire, Polypropylene/Steel

WIRE-NUT® is perfect to twist-on with fingers for a secure connection that will last. The refined wire range makes it the best choice for fine stranded wire applications. The WIRE-NUT® also features a tough, flame-retardant thermoplastic shell that withstands environmental extremes and is reusable for easy circuit changes and addition.