The 3M Highland H-31 is a professional-grade twist-on wire connector engineered for reliable copper wire terminations in residential and commercial applications. This orange connector accommodates 18-14 AWG solid or stranded wire with a ribbed vinyl shell that ensures secure grip and consistent performance. Rated for 600V in building wire applications and 1000V in lighting fixtures, it maintains integrity at temperatures up to 221°F (105°C). UL Listed and CSA Certified for code compliance, the H-31 delivers the dependability required in appliances, fixtures, and construction environments. Each pouch contains 100 connectors, providing cost-effective solutions for bulk installations and maintenance projects.