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F-71
Connectors & Grounding
—
Blackburn
®
Compression Connectors Featuring the Color-Keyed
®
System
Connectors for Aluminum/Copper Code Conductor
CAT. NO.
CU
CABLE
SIZE
STUD
SIZE
(IN.) PHASE
DIMENSIONS (IN.)
DIE
CODEA B C D E F G
1 1.38
10A-FT-14NTK 1/0
1
⁄4 2 2.13 .94 .64 .19 .62 .25 2.50 50
3 2.88
1 1.93
20A-FT-14NTK 2/0
1
⁄4 2 2.93 1.14 .64 .22 .70 .25 2.50 54
3 3.93
1 2.11
30A-FT-14NTK 3/0
1
⁄4 2 3.11 1.14 .78 .22 .77 .25 2.75 60
3 4.11
1 2.04
40A-FT-14NTK 4/0
1
⁄4 2 3.04 1.14 .78 .25 .86 .25 3.13 66
3 4.04
* Each Cat. No. consists of three connectors, (1) connector per phase.
Connectors supplied with Thomas & Betts oxide-inhibitor compound in wire bore.
Installation tooling: Hand or hydraulic tools.
Material: Aluminum
Finish: Electro-Tin Plate
Insulation: PVC Dip Coated
90° Flag Lugs — 600V, 90° C
CAT. NO.
CU
CABLE
SIZE
STUD
SIZE
(IN.) PHASE
DIMENSIONS (IN.)
DIE
CODEA B C D E F G
1 2.31
250A-FT-14NTK 250 kcmil
1
⁄4 2 3.44 1.20 .98 .25 .92 .31 3.00 71
3 4.57
1 2.31
350A-FT-12NTK 350 kcmil
1
⁄4 2 3.69 1.45 1.09 .31 1.09 .56 3.94 87
3 5.06
1 2.56
500A-FT-12NTK 500 kcmil
1
⁄4 2 4.06 1.45 1.20 .38 1.28 .56 4.19 99
3 5.69
1 2.63
750A-FT-58NTK 750 kcmil
1
⁄4 2 4.50 1.70 1.49 .38 1.50 .81 4.39 115
3 6.25
Tooling: pp. F-80–F-100
Die Selector Chart: pp. F-101–F-104
F
A
C
B
90°
G
E
D
T&B
A F
C
B
E
G
90°
F
A
C
B
90°
G
E
D
T&B
D