Red 2-port In-Sure Push-In Wire Connector bag of 100. Accepts #20 – #12 AWG Solid Accepts #16 – #12 AWG Stranded (? 19 Strand) or #18 AWG Stranded (7 Strand). Compact size makes installation easy. Clear shell gives visual verification of connection. UL Listed to 486C and CSA Certified to C22.2 #188. UL 467 Listed for grounding and bonding applications.