Installation Guide

UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 10
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.
Revised 7-14-2016
Buchanan WireTwist™ Wire Connectors
Model
300 Volt Maximum
600 Volt Maximum
WT3
Strip
wires
5/16”;
strip
wires #16
and
smaller
3/8”
5 #18
5 #22
3 to 4 #16
4 to 5 #20
2 #14 w/2 #16
2 #14 w/1 to 3 #20 or #22
1 #14 w/2 #16
1 #14 w/3 #18
1 #14 w/4 #20
4 #16 w/1 #20 or #22
3 #16 w/1 #18
3 #16 w/1 to 2 #20 or #22
2 #16 w/2 to 3 #18
2 #16 w/3 #22
2 #16 w/3 #20
1 #16 w/4 #18
4 #18 w/1 #20 or #22
3 #18 w/2 #20 or #22
2 #18 w/3 #22
1 #18 str. w/5 #22 str.
4 #20 w/1 #22
3 #20 w/1 to 2 #22
2 #20 w/2 to 3 #22
1 #20 w/4 #22
1 to 2 #14
1 #16 Stranded only
2 #16
1 #18 Stranded only
2 to 4 #18
1 #14 w/1 #16
1 #14 w/1 #16 and 1 #18
1 #14 w/1 to 2 #18
1 #14 w/1 to 3 #20
1 #14 w/1 to 3 #22
2 #16 w/1 #18
2 #16 w/1 to 2 #20
2 #16 w/1 to 2 #22
1 #16 w/1 to 2 #18
1 #16 w/1 to 3 #20 or #22
3 #18 w/1 #20 or #22
2 #18 w/1 to 2 #20
2 #18 w/1 to 3 #22
1 #18 w/2 to 4 #20
1 #18 w/3 to 4 #22
1 to 2 #16 w/1 #20 w/1 #22
1 #16 w/1 #18 w/1 #22
1 to 2 #18 w/1 #20 w/1 #22
Model
300 Volt Maximum
600 Volt Maximum
WT4
Strip
wires
3/8”;
strip
wires #16
and
smaller
7/16”
2 #10
3 #12
5 #16 or #18
1 #10 w/3 to 4 #16
1 #10 w/2 #14
1 #10 w/1 #16 w/4 #20
1 #10 w/1 #16 w/3 to 4 #18
1 #10 w/1 #14 w/4 #22
1 #10 w/1 #14 w/3 #20
1 #10 w/1 #14 w/2 to 4 #18
1 #10 w/1 #14 w/2 #16
1 #10 w/2 #14 w/1 #16
1 #10 w/1 #12 w/1 to 2 #18
1 #10 w/1 #12 w/1 #16 or #14
1 #12 w/3 #14
2 #12 w/1 to 2 #14
2 #12 w/3 #18
1 #14 w/4 #18 or #16
2 #14 w/3 #18 or #16
3 #14 w/2 #18 or #16
3 #14 w/1 #18 w/2 #20
4 #14 w/1 to 2 #16
1 #16 w/4 #18
2 #16 w/3 #18
3 #16 w/2 #18
4 #16 w/1 #18
1 #8
1 #10
1 to 2 #12
1 to 3 #14
2 to 5 #16
2 to 6 #18
3 to 4 #20
4 #22
1 #10 w/1 #14
1 #10 w/1 #12
1 #12 w/1 to 4 #20, #18, or #16
1 #12 w/1 to 2 #14
2 #12 w/1 to 2 #18
2 #12 w/1 #16
1 #14 w/2 to 4 #20
1 #14 w/1 to 3 #18 or #16
2 #14 w/1 to 3 #20
2 #14 w/1 to 2 #18 or #16
3 #14 w/1 to 2 #20
3 #14 w/1 #18 or #16
4 #14 w/1 #20 or #18
1 #16 w/4 #20
1 #16 w/1 to 3 #18 or #20
1 #16 w/2 #22
2 #16 w/1 to 3 #20
2 #16 w/1 to 2 #18
2 #14 w/1 #16 w/1 to 3 #22
3 #16 w/1 to 2 #22 or #20
3 #16 w/1 #18
4 #16 w/1 #22 or #20
1 #18 w/2 #20
1 #18 w/3 #22
2 #18 w/3 #20
3 #18 w/1 to 2 #22 or #20
4 #18 w/1 #22 or #20
2 #12 w/1 #18 w/1 to 2 #20
1 #14 w/1 #16 w/1 to 4 #22
2 #14 w/1 to 2 #20 w/1 to 2
#22
3 #14 w/1 #18 w/1 to 2 #22
3 #14 w/1 #18 w/1 #20
1 #16 w/1 #20 w/4 #22
1 #16 w/1 #18 w/3 to 4 #22
1 #16 w/1 #18 w/2 to 4 #20
2 #16 w/1 to 2 #20 w/1 to 2
#22
3 #16 w/1 #18 w/1 to 2 #22 or
#20
1 #18 w/2 #20 w/3 #22
2 #18 w/1 #20 w/3 #22
3 #18 w/1 to 2 #20 w/1 #22
1 #10 w/1 #16 w/1 to 2 #18
1 #10 w/1 #14 w/1 to 2 #20
1 #10 w/1 #14 w/1 #18
1 #12 w/1 #16 w/1 to 4 #20 or
#18