Measurement Guide
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Model Wire Combinations
Twister
®
2 #22
3 #22
2 #20
3 #20
2 #18
2 #16
3 #16
2 #14
3 #14
2 #12
4 #14
3 #12
4 #12
3 #10
5 #12
4 #10
2 #6
340™ Orange Min. 2 #22  Max. 3 #12
341
®
 Tan Min. 3 #22  Max. 3 #10
344
®
 Red/Yellow
342
®
 Gray Min. 3 #14  Max. 2 #8 w/2 #12
Wire-Nut
®
71B
®
 Gray (300V) Min. 2 #22 Str.  Max. 2 #16
72B
®
 Blue (300V) Min. 2 #22  Max. 3 #16
73B
®
 Orange
74B
®
 Yellow
76B
®
 Red Min. 2 #14  Max. 4 #12
 Min. 2 #14 Max. 4 #12
WingTwist™
WT51 Yellow Min. 2 #18  Max. 3 #12
WT41 Tan Min. 2 #20  Max. 3 #10
WT52 Red Min. 2 #14  Max. 5 #12
WT54 Blue Min. 3 #12  Max. 2 #6
 Min. 2 #14 Max. 4 #12
WireTwist™
WT1 Gray (300V) Min. 3 #22  Max. 2 #16
WT2 Blue (300V)
Min. 3 #20 Max. 3 #16
WT3 Orange
Min. 2 #18 Max. 2 #14
WT4 Yellow Min. 2 #18  Max. 2 #12
WT6 Red Min. 2 #14  Max. 4 #12
 Min. 2 #14 Max. 4 #12
Wing-Nut
®
451
®
 Yellow Min. 2 #18  Max. 3 #12
452
®
 Red Min. 2 #18  Max. 4 #10
454
®
 Blue
WeatherProof™
61
®
 Gray/Orange Min. 2 #20  Max. 2 #14
62
®
 Gray/Red
63
®
 Gray/Dark Blue
UnderGround™
60
®
 Gray/Orange
64
®
 Gray/Red Min. 2 #18 Sol. 
66
™
 Gray/Dark Blue
B-Twist™
BT2™ Red
B-CAP
®
B1 Yellow Min. 3 #20  Max. 3 #12
B2 Red Min. 2 #18  Max. 5 #12
B4 Blue/Gray Min. 2 #12  Max. 2 #6 Str.
Min. 2 #18
Min. 1 #18 w/1 #20
Min. 2 #18
Min. 3 #12
Min. 2 #18
Min. 3 #18
Min. 1 #20 w/1 #18
Max. 2 #10 w/1 #14
Max. 1 #10 w/2 #12
Min. 3 #14
Min. 3 #12
Max. 5 #10
Max. 2 #6 w/1 #10
Max. 2 #14
Max. 4 #14 w/1 #18
Max. 1 #6 w/2 #8
Max. 2 #8
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Widest range 
in the industry
Wire Range Chart
Min. 4 #10


