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F-19
Connectors & Grounding
—
Blackburn
®
Compression Connectors Featuring the Color-Keyed
®
System
Compression Connectors for Copper Conductor
Two-Hole Lugs —
45° Standard Barrel
600V to 35kV
Material: High-Conductivity
Wrought Copper
Finish: Electro Tin Plate
D
45° ± 3°
C
E
F
G
Bolt Size
B
D
45° ± 3°
C
E
F
G
Bolt Size
B
CAT. NO.
WIRE SIZE DIMENSIONS (IN.)
DIE CODE DIE COLORCODE FLEX CLASS G, H, I, K, M
†
BOLT SIZE B C D E F G
56-31426-9 #14–10 AWG #10 1.22 .37 .05 .2.00
1
⁄4
5
⁄8 N/A N/A
54204UF
#8 AWG
#7 LS
23 Navy
#8 Weld
37/24 = 14.9 kcmil
#10 1.18 .42 .08 .26
1
⁄4
5
⁄8 21 RED
256-30695-1183UF
#6 AWG
30 Navy, #6 Weld
61/24 = 24.6 kcmil
133/.014, #5 Weld
#10 1.19 .44 .08 .30
7
⁄32
5
⁄8-
3
⁄4 24
BLUE54205UF
1
⁄4 1.28 .44 .08 .30
1
⁄4
5
⁄8 24
54205UF0416
1
⁄4 1.56 .43 .08 .30
1
⁄4 1 24
54206UF #4 AWG
40-50 Navy, #4 Weld
#5, 91/24 = 36.7 kcmil
133/.0177, 49/.029
1
⁄4 1.28 .52 .10 .37
1
⁄4
5
⁄8 29 GRAY
54207UF
#3 AWG
#2 AWG
60 Navy, #3 Flex
125/24 = 50.4 kcmil
1
⁄4 1.28 .59 .11 .41
1
⁄4
5
⁄8 33
BROWN
256-30695-257UF
3
⁄8 1.81 .60 .11 .41
3
⁄8 1 33
54208UF #1 AWG
75 Navy, #2 Weld
150/24 = 60.5 kcmil
175/24 = 70.6 kcmil, 133/.0223
1
⁄4 1.28 .68 .11 .47
1
⁄4
5
⁄8 37 GREEN
54209UF
54209UF0412
1/0 AWG
100 Navy
#1 Weld
225/24 = 90.8 kcmil
133/.0254
3
⁄8
1
⁄4
1.93
1.55
.75
.75
.13
.13
.52
.52
3
⁄8
1
⁄4
1
3
⁄4
42
42
PINK
54261UF
2/0 AWG
125 Navy, 1/0 Weld
275/24 = 111 kcmil
133/.0282
5
⁄16 1.63 .83 .14 .57
1
⁄3
7
⁄8 45
BLACK54210UF
3
⁄8 1.93 .83 .13 .57
3
⁄8 1 45
54260UF
1
⁄2 2.81 .83 .14 .57
3
⁄8 1
3
⁄4 45
54266UF
54211UF
54265UF
3/0 AWG
150 Navy, 2/0 Weld
325/24 = 131 kcmil
133/.0316
259/.0227
427/.0177
5
⁄16
3
⁄8
1
⁄2
1.75
1.81
2.81
.94
.94
.94
.14
.14
.14
.63
.63
.63
1
⁄3
3
⁄8
1
⁄2
1
1
1
3
⁄4
50
50
50
ORANGE
54212UF
54270UF
4/0 AWG
200 Navy
3/0 Weld
450/24 = 182 kcmil
703/.0154
3
⁄8
1
⁄2
1.93
3.00
1.03
1.03
.14
.14
.70
.70
3
⁄8
1
⁄2
1
1
3
⁄4
54
54
PURPLE
54213UF
250 kcmil 250 Navy
3
⁄8 1.93 1.13 .14 .77
3
⁄8 1 62
YELLOW
54275UF
1
⁄2 2.81 1.13 .18 .77
1
⁄2 1
3
⁄4 62
256-30695-399UF
58265UF
4/0 Weld
550/24 = 222 kcmil
133/.0399, 259/.0286
637/.018
3
⁄8
1
⁄2
2.80
2.81
1.25
.94
.15
.14
.79
.79
3
⁄8
1
⁄2
1
1
3
⁄4
62
62
†
Contact Technical Services for specific stranding listings
Tooling: pp. F-80–F-100 Die Selector Chart: pp. F-101–F-104
E
C
F
G
Bolt Size
D
B
45° ± 3°