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Tel: [phone]
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F-21
Connectors & Grounding
—
Blackburn
®
Compression Connectors Featuring the Color-Keyed
®
System
Compression Connectors for Copper Conductor
C
E
Bolt Size
G
F
D
B
90° ± 3°
C
E
Bolt Size
G
F
D
B
90° ± 3°
Two-Hole Lugs —
90° Standard Barrel
600V to 35kV
Applications
Material: High-Conductivity Wrought Copper
Finish: Electro Tin Plate
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
CA256-31426-141
#14-10 AWG
#10 1.25 .37 .07 .20
7
⁄32
5
⁄8
ERG4002,
ERG4005
“C” NEST
256-31426-6SPH #10 1.30 .37 .07 .20
7
⁄32
5
⁄8 -
3
⁄4
256-31426-6 #10 1.30 .37 .07 .20
7
⁄32
5
⁄8
256-31426-6S #10 1.30 .37 .07 .20
7
⁄32
5
⁄8 -
3
⁄4
256-30695-1409
#8 AWG
#7 LS
23 Navy, #8 Weld
37/24 = 14.9 kcmil
#10 1.19 .41 .06 .26
7
⁄32
5
⁄8 -
3
⁄4 21
RED
54204UB #10 1.25 .42 .08 .26
1
⁄4
5
⁄8 21
256-31426-33UB* #10 1.19 .41 .06 .26
7
⁄32
5
⁄8 -
3
⁄4 21
256-31426-33UBPH #10 1.19 .41 .06 .26
7
⁄32
5
⁄8 -
3
⁄4 21
256-30695-1411
#6 AWG
30 Navy
#6 Weld
133/.014
#5 Weld
#10 1.19 .44 .08 .30
7
⁄32
5
⁄8 -
3
⁄4 24
BLUE
256-30695-1183B #10 1.19 .44 .08 .30
7
⁄32
5
⁄8 -
3
⁄4 24
256-30695-1356 #10 1.19 .43 .08 .30
7
⁄32
5
⁄8 24
54205UB
1
⁄4 1.28 .44 .08 .30
1
⁄4
5
⁄8 24
256-30695-252UB
1
⁄4 1.56 .43 .08 .30
1
⁄4 1 24
54206UB #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
54207UB
#3 AWG
#2 AWG
60 Navy
#3 Weld
125/24 = 50.4 kcmil
1
⁄4 1.28 .59 .11 .41
1
⁄4
5
⁄8 33 BROWN
54208UB #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
54209UB
54209UB0412
1/0 AWG
100 Navy, #1 Weld
225/24 = 90.8 kcmil, 133/.0254
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
54261UB
2/0 AWG
125 Navy, 1/0 Weld
275/24 = 111 kcmil
133/.0282
5
⁄16 1.63 .83 .14 .57 1
1
⁄32
7
⁄8 45
BLACK54210UB
3
⁄8 1.93 .83 .13 .57
3
⁄8 1 45
54260UB
1
⁄2 2.81 .83 .14 .57
3
⁄8 1
3
⁄4 45
54266UB 150 Navy, 2/0 Weld
5
⁄16 1.75 .94 .14 .63 1
1
⁄32 1 50
ORANGE54211UB 3/0 AWG 325/24 = 131 kcmil
3
⁄8 1.81 .94 .14 .63
3
⁄8 1 50
54265UB 133/.0316, 259/.0227, 427/.0177
1
⁄2 2.81 .94 .14 .63
3
⁄8 1
3
⁄4 50
54212UB
4/0 AWG
200 Navy, 3/0 Weld
3
⁄8 1.93 1.03 .14 .70
3
⁄8 1 54
PURPLE
54270UB 450/24 = 182 kcmil, 703/.0154
1
⁄2 3.00 1.03 .14 .70
1
⁄2 1
3
⁄4 54
54213UB
250 kcmil 250 Navy
3
⁄8 1.93 1.13 .14 .77
3
⁄8 1 62
YELLOW
54275UB
1
⁄2 2.81 1.13 .18 .77
1
⁄2 1
3
⁄4 62
256-30695-399UB 4/0 Weld, 550/24 = 222 kcmil
3
⁄8 2.80 1.25 .15 .79
3
⁄8 1 62
58265UB 133/.0399, 259/.0286, 637/.018
1
⁄2 2.81 .94 .14 .79
1
⁄2 1
3
⁄4 62
†
Contact Technical Services for specific stranding listings
Tooling: pp. F-80–F-100 Die Selector Chart: pp. F-101–F-104
* Blind End
E
C
F
G
Bolt Size
D
B
90° ± 3°