Install Instructions

UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS
The combinations listed are Cu-Cu Only. (Do Not use on Al-Al connections.)
The combinations listed are solid and/or stranded wire unless otherwise noted.
UL File No. E5238
Model 600 Volt Maximum
2 to 4 # 18 1 #14 w/1 to 5 #18 1 #12 w/1 to 5 #18 1 to 3 #12
2 to 4 #16 1 #14 w/1 to 4 #16 1 #12 w/1 to 3 #16 1 #10 w/1 to 3 #18
1 #16 w/1 to 5 #18 2 #14 w/1 to 3 #18 1 #12 w/1 or 2 #14 1 #10 w/1 or 2 #16
WT51
2 #16 w/1 to 4 #18 2 #14 w/1 to 3 #16 2 #12 w/1 or 2 #18 1 #10 w/1 or 2 #14
3 #16 w/1 to 3 #18 3 #14 w/1 or 2 #18 2 #12 w/1 #16 1 #10 w/1 #12
4 #16 w/1 or 2 #18 3 #14 w/1 #16 2 #12 w/1 #14 1 #10
1 to 3 #14 3 #14 w/1 #18
Model 600 Volt Maximum
1 #12 w/5 #14 1 #10 w/1 to 4 #16 1 #12 w/2 #14 w/1 or 2 #16 4 #14 w/1 or 2 #18
1 #12 w/4 #16 1 #10 w/1 or 2 #14 2 #12 w/3 or 4 #18 4 #14 w/1 #16
1 #12 w/4 #14 1 #10 w/1 or 2 #12 2 #12 w/1 to 3 #16 5 #14 w/1 #18
1 #12 w/2 #14 1 #10 w/1 #14 w/1 to 3 #16 2 #12 w/1 to 3 #14 1 #16 w/4 or 5 #18
1 #12 w/1 #14 1 #10 w/2 #14 w/1 #16 2 #12 w/1 #14 w/1 or 2 #16 2 #16 w/2 to 4 #18
1 #10 w/3 #14 1 #10 w/1 #12 w/1 #14 3 #12 w/1 or 2 #16 3 #16 w/1 to 3 # 18
WT52
1 #10 w/4 #14 1 #10 w/1 #12 w/1 or 2 #16 3 #12 w/2 #18 4 #16 w/1 or 2 #18
1 #10 w/2 #14 2 #10 w/1 or 2 #16 1 #14 w/3 to 5 #18 5 #16 w/1 #18
1 #10 w/1 #12 2 #10 w/1 #14 1 #14 w/3 #12 2 or 3 #10
1 #8 w/1 #10 1 #12 w/2 to 5 #18 1 #14 w/2 to 5 #16 2 to 5 #12
1 #8 w/1 #12 1 #12 w/1 to 5 #16 2 #14 w/1 to 4 #18 2 to 6 #14
1 #8 w/1 #14 1 #12 w/1 to 4 #14 2 #14 w/1 to 4 #16 4 to 6 #16
1 #10 w/2 to 5 #18 1 #12 w/1 #14 w/1 to 4 #16 3 #14 w/1 to 3 #16 6 #18
Model 600 Volt Maximum
4 to 6 #14 5 #14 w/1 #18 1 #10 w/1 to 4 #12 1 #12 w/2 #14 w/1#16
2 to 6 #12 5 #14 w/1 #16 2 #10 w/2 to 4 #18 2 #12 w/1 #14 w/1 or 2 #16
2 or 3 #10 1 #12 w/3 to 5 #16 2 #10 w/2 to 4 #16 1 #10 w/1 #14 w/1 to 3 #16
2 #8 1 #12 w/2 to 5 #14 2 #10 w/1 to 4 #14 1 #10 w/2 #14 w/1 #16
1 #6 2 #12 w/3 or 4 #18 2 #10 w/1 or 2 #12 1 #10 w/1 #12 w/1 or 2 #6
WT53
4 #16 w/2 #18 2 #12 w/1 to 4 #16 3 #10 w/1 #14 1 #10 w/1 #12 w/1 to 4 #14
1 #14 w/4 or 5 #16 2 #12 w/1 to 4 #14 3 #10 w/1 #12 1 #10 w/2 #12 w/1 or 3 #14
2 #14 w/3 or 4 #18 3 #12 w/1 to 3 #18 1 #8 w/1 to 5 #14 1 #10 w/3 #12 w/1 #14
2 #14 w/2 to 4 #16 3 #12 w/1 to 3 #16 1 #8 w/1 to 3 #12 2 #10 w/2 #12 w/1 or 2 #14
3 #14 w/1 to 3 #18 3 #12 w/1 to 3 #14 1 #8 w/1 or 2 #10 1 #8 w/1 #12 w/1 to 3 #14
3 #14 w/1 to 3 #16 4 #12 w/1 or 2 #16 2 #8 w/1 #14 1 #8 w/2 #12 w/1 #14
4 #14 w/1 or 2 #18 1 #10 w/1 to 5 #16 1 #6 w/1 #10 1 #8 w/1 #10 w/1 or 2 #14
4 #14 w/1 or 2 #16 1 #10 w/1 to 5 #14 1 #12 w/1 #14 w/1 to 4 #16 1 #8 w/1 #10 w/1 #12
Model 600 Volt Maximum
5 or 6 #14 1 #8 w/1 to 5 #14 2 #10 w/1 #12 w/1 to 3 #14 2 #8 w/2 #12 w/1 or 2 #14
3 to 6 #12 1 #8 w/1 to 5 #12 2 #10 w/2 #12 w/1 or 2 #14 2 #8 w/3 #12 w/1 #14
2 to 5 #10 1 #8 w/1 to 4 #10 2 #10 w/3 #12 w/1 #14 2 #8 w/1 #10 w/1 to 3 #14
2 or 3 #8 2 #8 w/1 to 4 #14 3 #10 w/1 #12 w/1 or 2 #14 2 #8 w/1 #10 w/1 or 2 #12
1 or 2 #6 2 #8 w/1 to 3 #12 3 #10 w/2 #12 w/1 #14 2 #8 w/2 #10 w/1 #14 Sol.
1 #12 w/4 or 5 #14 2 #8 w/1 or 2 #10 4 #10 w/1 #12 w/1 #14 1 #6 w/1 #12 w/1 to 4 #14
2 #12 w/2 to 4 #14 3 #8 w/1 or 2 #14 1 #8 w/1 #12 w/1 to 4 #14 1 #6 w/2 #12 w/1 to 3 #14
WT54
3 #12 w/1 to 3 #14 1 #6 w/1 to 4 #14 1 #8 w/2 #12 w/1 to 3 #14 1 #6 w/3 #12 w/1 or 2 #14
4 #12 w/1 #14 1 #6 w/1 to 5 #12 1 #8 w/3 #12 w/1 or 2 #14 1 #6 w/4 #12 w/1 #14
1 #10 w/3 to 5 #14 1 #6 w/1 to 3 #10 1 #8 w/4 #12 w/1 #14 1 #6 w/1 #10 w/1 to 4 #14
1 #10 w/2 to 4 #14 1 #6 w/1 or 2 #8 1 #8 w/1 #10 w/1 to 4 #14 1 #6 w/1 #10 w/1 to 3 #12
2 #10 w/1 to 4 #14 2 #6 w/1 #14 1 #8 w/1 #10 w/1 to 4 #12 1 #6 w/2 #10 w/1 or 2 #14
2 #10 w/1 to 4 #12 2 #6 w/1 #12 1 #8 w/2 #10 w/1 to 3 #14 1 #6 w/2 #10 w/1 #12
3 #10 w/1 to 3 #14 1 #10 w/1 #12 w/1 to 4 #14 1 #8 w/2 #10 w/1 to 3 #12 1 #6 w/1 #8 w/1 to 3 #14
3 #10 w/1 to 3 #12 1 #10 w/2 #12 w/1 to 3 #14 1 #8 w/3 #10 w/1 or 2 #14 1 #6 w/1 #8 w/1 or 2 #12
4 #10 w/1 or 2 #14 1 #10 w/3 #12 w/1 or 2 #14 1 #8 w/3 #10 w/1 #12 1 #6 w/1 #8 w/1 #10
4 #10 w/1 or 2 #12 1 #10 w/4 #12 w/1 #14 2 #8 w/1 #12 w/1 to 3 #14
Model 300 Volt Maximum
1 #14 1 #18 w/1 to 3 #20
1 or 2 #16 1 #18 w/1 to 4 #22
2 or 3 #18 2 #22 Str.
2 to 4 #20 4 #20 w/1 #22
WT1
3 to 4 #22 3 #20 w/1 or 2 #22
5 #22 2 #20 w/1 to 3 #22
1 #14 w/1 #20 or 22 1 #20 w/1 to 4 #22
1 #16 w/1 #18 1 #16 w/1 #20 w/1 #18 or #20
1 #16 w/1 or 2 #20 1 or 2 #18 w/1 #20 w/1 #22
1 #16 w/1 to 3 #22
Model 300 Volt Maximum
1 #14 Str. 1 #16 w/1 to 3 #18
1 or 2 #16 Str. 1 #16 w/1 #18 w/1 #20
2 or 3 #16 1 #16 w/1 to 4 #20 or #22
1 #18 Str. 4 #18 w/1 #20 or #22
2 to 4 #18 3 #18 w/1 or 2 #20 or #22
WT2
3 to 5 #20 2 #18 w/1 to 3 #20 or #22
1 #14 w/1 #16 1 #18 w/2 to 4 #20
1 #14 w/1 or 2 #18 1 #18 w/3 or 4 #22
1 #14 w/1 to 3 #20 4 #20 w/1 #22
1 #14 w/1 to 4 #22 3 #20 w/1 or 2 #22
2 # 16 w/1 #18 2 #16 w/1 #20 w/1 #22
2 #16 w/1 or 2 #20 1 #16 w/1 #22 w/1 #18 or #20
2 #16 w/1 to 3 #22 1 or 2 #18 w/1 #20 w/1 #22
Buchanan WingTwist™ Wire Connectors
Buchanan WireTwist™ Wire Connectors
Page 9 Revised 05/07/10