Installation Guide
United States
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F-189
Connectors & Grounding — Blackburn
®
Mechanical Connectors
Copper Mechanical Conductors
T&B Recommended Tightening Torque
SIZE OF
CONDUCTOR
RANGES
WRENCH
TORQUE
IN.-LBS.
SCREW DRIVER
TORQUE
IN.-LBS.
14 to 8 20 20
14 to 4 35 35
4 to 2/0 150 —
2 to 4/0 200 —
1 to 250 250 —
2/0 to 500 300 —
High pull-out strength
and low resistance.
LOCKTITE
®
Cone Screw Lugs
• Conically shaped screw compresses copper conductor
so each strand is forced to carry its share of the load
• Exerts equal pressure on each conductor strand
• For use with code copper conductor (600V)
CAT. NO.
WIRE
RANGE
DIMENSIONS (IN.)
TORQUE
(IN.-LBS.)G A B C D E F
71003 14–8 #10
13
⁄16
7
⁄16
3
⁄8
3
⁄32
3
⁄8
3
⁄16 20*
71005 14–4
1
⁄4 1
5
⁄32
5
⁄8
9
⁄16
1
⁄8
19
⁄32
9
⁄32 35*
71010 4–2/0
3
⁄8 1
21
⁄32
27
⁄32
23
⁄32
3
⁄16
25
⁄32
3
⁄8 150
71014 2–4/0
3
⁄8 1
7
⁄8
29
⁄32
15
⁄16
3
⁄16
31
⁄32
3
⁄8 200
71015 1–250
3
⁄8 2
1
⁄32
29
⁄32 1
7
⁄32 1
3
⁄8 250
71020 2/0–500
1
⁄2 2
3
⁄4 1
1
⁄4 1
11
⁄32
9
⁄32 1
15
⁄32
9
⁄16 300
Add suffix G to lug Cat. No. 71003, 71005, 71010 and 71014 for lug with green screw for grounding identification.
UL File No. E-9609.
*Indicates screwdriver torque; all others indicate torque wrench.
B
max.
A
max.
C
B
max.
A
max.
C
CAT. NO.
CABLE SIZE DIMENSIONS (IN.)
MAIN BRANCH A B C
35107 8 to 4 14 to 8 1
1
⁄16
7
⁄8
5
⁄8
35109 4 to 1/0 14 to 4 1
1
⁄4 1
11
⁄16
35111 1/0 to 4/0 14 to 4 1
3
⁄4 1
3
⁄8
27
⁄32
35112 1/0 to 4/0 8 to 1 1
5
⁄8 1
9
⁄16
27
⁄32
35115 300 to 500 14 to 4 1
7
⁄8 1
13
⁄16 1
The most economical, easiest to install,
approved connector for large
to small branch taps.
HINJON Junior Tee-Parallel Taps
• All-around-grip jaws
• Automatically adjusts to size of main and branch
• Fast, simple installation with just a screwdriver or pliers
• Fitting can be easily taped
C
A
max.
B
max.
G Bolt Size
E
A
F
B
C
D
E
A
B
D
F
C
G Bolt Size