Multi-Pack: 172 Pcs, Extra orange and red connectors enhance versatility. Grey 60PCS #22 - #14 AWG; Blue 40PCS #22 - #14 AWG; Orange 40PCS #22 - #14 AWG; Yellow 16PCS #22 - #10 AWG; Red 16PCS #22 - #10 AWG SAFE (UL, CSA and CQC CERTIFICATION): The wire nuts are constructed from a flame retardant material, heavy gauge outer shell for superior dielectric performance, stayset spring, with increased corrosion resistance. EASY TO USE: Quick installation, simply push the stripped conductors into the connector and screw on. Allows easy removal for future modifications. VERSATILE: Features a color-coded assortment of wire connectors that meet industry standards, suitable for everyday electrical wiring projects and applications. WARRANTY: Every product enjoys a 12-month worry-free guarantee and a 30-day money-back guarantee.