Thomas & Betts B14-6 Sta-Kon Ring Terminal. Sta-Kon Ring Terminal, Non-Insulated, Series: B Series, 18 to 14 AWG Conductor, #6 Stud, 0.72 in Length, Serrated Barrel, Ring Tongue, 0.25 in W x 0.03 in THK Tongue, 600 VAC, 0.27 in Clearance, 150 deg C, Copper, Tin Coated, Metallic. Additional Description: TB -B14-6 NON-INS RING TERM 18-14 No6 METAL METALLIC MOUNT. Catalog Description: Non-Insulated Ring Terminal, Length .72 Inches, Width .25 Inches, Bolt Hole #6, Wire Range #18-#14 AWG, Copper, Tin Plated.