30-451

UL File No. E5238 UNDERWRITERS LABORATORIES LISTED WIRE COMBINATIONS Page 1 Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded wire combinations unless noted otherwise. IDEAL Wire-Nut Wire Connectors Model 300 Volt Maximum 600 Volt Maximum 1 14 2 to 3 18 1 14 w/1 20 or 22 2 18 w/1 20 71B 1 to 2 16 2 18 w/1 to 2 22 Strip 1 16 w/1 18 1 20 w/1 to 4 22 solid 1 16 w/1 to 2 20 2 to 4 20 wires 1 16 w/1 to 3 22 2 20 w/1 to 3 22 Strip 1 16 w/1 20 w/1 18 or 20 3 20 w/1 to 2 22 stranded 1 18 str. 4 20 w/1 22 wires 1 18 w/1 to 3 20 2 22 str. 5/16 1 18 w/1 to 4 22 3 to 4 22 1 to 2 18 w/1 20 w/1 22 5 22 sol Model 300 Volt Maximum 600 Volt Maximum 1 14 str. 2 16 w/1 20 w/1 22 1 14 w/1 16 1 18 str. 1 14 w/1 to 2 18 1 18 w/1 to 4 20 or 22 72B 1 14 w/1 to 3 20 1 to 2 18 w/1 20 w/1 22 Strip 1 14 w/1 to 4 22 1 18 str. w/1 20 str. ( Tinned wires 1 16 str. or untinned) 3/8 1 16 w/1 to 3 18 2 18 w/1 to 3 20 or 22 Strip 1 16 w/1 18 w/1 20 2 to 4 18 wires 1 16 w/1 to 4 20 or 22 3 18 w/1 to 2 20 or 22 16 and 1 16 w/1 22 w/1 18 or 20 3 to 5 20 smaller 2 to 3 16 4 18 w/1 20 or 22 2 16 w/1 18 3 20 w/1 to 2 22 2 16 w/1 to 2 20 4 20 w/1 22 2 16 w/1 to 3 22 2 22 Model 300 Volt Maximum 600 Volt Maximum 1 14 w/2 16 5 18 1 to 2 14 1 16 w/1 18 w/1 22 73B 1 14 w/1 16 w/1 18 1 18 w/1 20 1 14 w/1 to 2 18 2 16 Strip 1 14 w/3 18 4 18 w/1 20 or 22 1 14 w/1 to 3 20 2 18 w/1 to 2 20 or 22 wires 1 14 w/4 20 3 18 w/2 20 or 22 1 14 w/1 to 3 22 1 18 w/2 to 4 20 5/16 2 14 w/1 18 2 18 w/3 22 1 14 w/1 16 w/1 18 1 18 w/ 3 to 4 22 Strip 2 14 w/1 to 3 20 or 22 1 18 str. w/5 22 str. 1 14 w/1 16 1 18 str. wires 3 to 4 16 3 to 5 20 1 16 str. 3 18 w/1 20 or 22 16 and 1 16 w/4 18 4 20 w/1 22 1 16 w/1 to 2 18 2 to 4 18 smaller 2 16 w/2 to 3 18 3 20 w/1 to 2 22 1 16 w/1 to 3 20 or 22 1 to 2 18 w/1 20 w/1 22 stranded 2 16 w/3 20 2 20 w/2 to 3 22 2 16 w/1 to 2 20 strip 3 16 w/1 18 1 20 w/4 22 2 16 w/1 to 3 22 3/8 3 16 w/1 to 2 20 or 22 5 22 2 16 w/1 18 4 16 w/1 20 or 22 1 to 2 16 w/1 20 w/1 22 Revised 8-27-2014UL File No. E5238 UNDERWRITERS LABORATORIES LISTED WIRE COMBINATIONS Page 2 Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded wire combinations unless noted otherwise. IDEAL Wire-Nut Wire Connectors Model 300 Volt Maximum 600 Volt Maximum 1 10 w/2 12 1 8 1 10 w/1 14 w/2 16 1 10 1 10 w/1 14 w/1 to 3 18 1 to 3 12 1 10 w/2 14 w/1 16 1 to 4 14 1 10 w/1 16 w/1 or 2 18 2 to 5 16 1 12 w/1 14 w/3 16 3 to 6 20 1 12 w/2 14 w/2 16 1 10 w/1 12 2 12 w/1 14 w/1 16 or 18 1 10 w/1 to 2 14, 16 or 18 2 12 w/1 16 w/1 to 2 18 1 10 w/3 to 4 16 or 18 1 14 w/1 16 w/1 to 3 20 74B 1 12 w/1 to 3 14, 16 or 18 1 14 w/1 18 w/1 to 3 20 Strip 1 12 w/4 16 or 18 2 14 w/1 16 w/1 to 2 18 or wires 2 12 w/1 to 2 14 20 3/8 2 12 w/1 to 2 16 or 18 2 14 w/1 16 w/1 to 3 22 Strip 1 14 w/1 to 4 16, 18 or 20 3 14 w/1 16 w/1 18, 20 or 16 and 2 14 w/1 to 3 16, 18 or 20 22 smaller 3 14 w/1 to 2 16 3 14 w/1 18 w/1 20 or 22 7/16 3 14 w/1 to 2 18 or 20 1 16 w/1 18 w/2 to 3 20 or 4 14 w/1 16 or 18 22 1 16 w/1 to 4 18, 20 or 22 1 16 w/1 18 w/3 to 4 22 2 16 w/1 to 3 18, 20 or 22 1 16 w/2 20 w/2 22 3 16 w/1 to 2 18, 20 or 22 2 16 w/1 18 w/1 to 2 20 or 4 16 w/1 to 2 18, 20 or 22 22 1 18 w/3 to 4 20 or 22 3 16 w/1 18 w/1 20 or 22 2 18 w/3 20 or 22 1 18 w/2 20 w/3 22 1 10 w/1 12 w/1 14 or 16 2 18 w/1 20 w/3 22 1 10 w/1 12 w/1 or 2 18 2 to 5 18 Revised 8-27-2014