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.
P-5560 Revised 05.15.19
Buchanan B-Twist™ Wire Connectors
Model
600 Volt Maximum
BT2
Strip wires
1/2”
1 or 4 #10
1 or 5 #12
1 or 6 #14 or #16
2 or 6 #18
3 or 6 #20
4 or 6 #22
1 #8 w/1 or 5 #16
1 #8 w/1 or 4 #14
1 #8 w/1 or 3 #12
1 #8 w 2 #12 w/1 or 4 #14
1 #8 w/1 or 2 #10
1 # w/1 #10 w/1 or 2 #14 or #12
1 #8 w/2 #10 w/1 #14
1 #10 w/1 or 5 #18, #16 or #14
1 #10 w/1 or 4 #12
1 #10 w/1 #16 w/1 or 4 #18
1 #10 w/1 #14 w/1 or 4 #18 or
#16
1 #10 w/2 #14 w/1 or 3 #16
1 #10 w/1 #12 w/1 or 4 #18 or
#16
1 #10 w/1 #12 w/1 or 4 #14
1 #10 w/2 #12 w/1 or 3 #18 or
#16
1#10 w/2 #12 w/1 or 2 #14
1 #10 w/3 #12 w/1 #14
1 #10 w/1 or 4 #18 or #16
2 #10 w/1 or 3 #14
2 #10 w/1 or 3 #12
2 #10 w/1 #16 w/1 or 3 #18
2 #10 w/2 #14 w/1 or 2 #16
2 #10 w/1 #12 w/1 or 3 #16
2 #10 w/1 #12 w/1 or 4 #14
2 #10 w/2 #12 w/1 or 2 #18 or #16
2 #10 w/2 #12 w/1 #14
3 #10 w/1 or 3 #18 or #16
3 #10 w/1 or 2 #14
3 #10 w/1 #12
3 #10 w/1 #16 w/1 or 2 #18
3 #10 w/1 #14 w/1 or 2 #18
3 #10 w/1 #14 w/1 #16
3 #10 w/1 #12 w/1 #18 or #16
1 #12 w/1 or 5 #18, #16 or #14
1 or 2 #12 w/1 #16 w/1 or 3 #18
1 or 2 #12 w/1 #14 w/1 or 3 #18 or
#16
1 or 2 #12 w/2 #14 w/1 #16
2 #12 w/1 or 4 #18, #16 or #14
3 #12 w/1 or 3 #18, #16 or #14
3 #12 w/1 #16 w/1 or 2 #18
3#12 w/1 #14 w/1 or 2#18 or #16
3 #12 w/2 #14 w/1 #16
4 #12 w/1 or 2 #16
4 #12 w/1 #14
4 #12 w/1 #16 w/1 #18
4 #12 w/1 #14 w/1 #18 or #16
1 #14 w/1 or 5#22, #20, #18 or
#16
1 or 2 #14 w/1 #16 w/1 or 3 #18
2 #14 w/1 or 4#22, #20, #18 or
#16
3 #14 w/1 or 3#22, #20, #18 or
#16
3 #14 w/1 #16 w/1 or 2 #18
4 #14 w/1 or 2 #22, #20, #18 or
#16
4 #14 w/1 #16 w/1 #18
5 #14 w/1 #18 or #16
1 #16 w/1 or 5#22, #20 or #18
1 or 2#16 w/1 or 2 #20 w/1 or 2
#22 or #20
1 #16 w/1 #18 w/1 or 3 #22 or
#20
2 #16 w/1 or 3 #22, #20 or #18
3 #16 w/1 or 3 #22 w/1 #20
3 #16 w/1 or 2 #22 w/1 #20
3 #16 w/1 #18 or 2 #22 or #20
4 #16 w/1 or 2 #22, #20 or #18
4 #16 w/1 #22 w/1 #20
4 #16 w/1 #18 w/1 #22 or #20
5 #16 w/1 #22, #20 or #18
1 #18 w/1 or 5 #22 or #20
1 or 3 #18 w/1 or 2 #22 w/1 #20
1 or 3 #18 w/2 #22 or #20
2 #18 w/1 or 4 #22 or #20
3 #18 w/1 or 3 #22 or #20
4 #18 w/1 or 2 #22 or #20
5 #18 w/1 #22 or #20
1 #20 w/3 or 5 #22
2 #20 w/2 or 4 #22
3 #20 w/2 or 3 #22
4 #20 w/2 #22
5 #20 w/1 #22
Buchanan WireTwist™ Wire Connectors
Model
300 Volt Maximum
600 Volt Maximum
WT1
Strip solid
wires
1/4”; strip
stranded
wires
5/16”
1 #14
1 or 2 #16
2 or 3 #18
2 or 4 #20
3 or 4 #22
5 #22 solid
1 #14 w/1 #20 or 22
1 #16 w/1 #18
1 #16 w/1 or 2 #20
1 #16 w/1 or 3 #22
1 #18 w/1 or 3 #20
1 #18 w/1 or 4 #22
2 #22 stranded only
4 #20 w/1 #22
3 #20 w/1 or 2 #22
2 #20 w/1 or 3 #22
1 #20 w/1 or 4 #22
1 #16 w/1 #20 w/1 #18 or #20
1-2 #18 w/1 #20 w/1 #22
Model
300 Volt Maximum
600 Volt Maximum
WT2 Strip
wires
3/8”; strip
wires #16
and
smaller ½”
1 #14 Stranded only
1 #16 Stranded only
2 or 3 #16
1 #18 Stranded only
2 or 4 #18
3 or 5 #20
1 #14 w/1 #16
1 #14 w/1 or 2 #18
1 #14 w/1 or 3 #20
1 #14 w/1 or 4 #22
2 # 16 w/1 #18
2 #16 w/1 or 2 #20
2 #16 w/1 or 3 #22
1 #16 w/1 or 3 #18
1 #16 w/1 #18 w/1 #20
1 #16 w/1 or 4 #20 or #22
4 #18 w/1 #20 or #22
3 #18 w/1 or 2 #20 or #22
2 #18 w/1 or 3 #20 or #22
1 #18 w/2 or 4 #20
1 #18 w/3 or 4 #22
4 #20 w/1 #22
3 #20 w/1 or 2 #22
2 #16 w/1 #20 w/1 #22
1 #16 w/1 #22 w/1 #18 or #20
1 or 2 #18 w/1 #20 w/1#22
Buchanan WireTwist™ Wire Connectors
Model
300 Volt Maximum
600 Volt Maximum
WT3
Strip wires
5/16”;
strip wires
#16 and
5 #18
5 #22
3 or 4 #16
4 or 5 #20
2 #14 w/2 #16
2 #14 w/1 or 3 #20 or #22
2 #16 w/2 or 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
1 or 2 #14
1 #16 Stranded only
2 #16
1 #18 Stranded only
2 or 4 #18
1 #14 w/1 #16
2 #16 w/1 or 2 #22
1 #16 w/1 or 2 #18
1 #16 w/1 or 3 #20 or #22
3 #18 w/1 #20 or #22
2 #18 w/1 or 2 #20
2 #18 w/1 or 3 #22