Product Brochure
Table Of Contents
- Contents
- Overview
- Compression Connectors for Copper Conductor
- C-Tap Connectors for Copper Conductor
- Copper H-Tap Connectors for Copper Conductor
- Aluminum H-Tap Connectors
- Interlocking Insulating Covers for Compression Taps
- Wire Joints for Copper Conductor
- Cast Copper Bus Taps for Copper Conductor
- Motor Pigtail Connectors
- KUBE® Connectors
- Copper Disconnects
- Connector Kits
- Joint Compound
- Connectors for Aluminum/Copper Code Conductor
- Heavy-Duty Battery Connectors
- Metric Connectors for Copper Conductor
- Tools and Dies
www.tnb.com
United States
Tel: 901.252.8000
800.816.7809
Fax: 901.252.1354
Technical Services
Tel: 888.862.3289
F-8
Overview
Connectors & Grounding
—
Blackburn
®
Compression Connectors Featuring the Color-Keyed
®
System
Tongue Specifications— See Chart “A” For Dimensions
Single Hole
Double Hole
Blank
Chart A
NOMINAL
BOLT HOLE
SIZE .015
HOLE
OFFSET
.030
WRENCH
CLEARANCE
MIN.
TONGUE WIDTH CABLE SIZE
#8 CODE
#8 WELD
#6 CODE
#6 WELD #4 CODE
#2 CODE
#4 WELD
#1 CODE
#2 WELD
1/0 CODE
#1 WELD
2/0 CODE
1/0 WELD
3/0 CODE
2/0 WELD
4/0 CODE
3/0 WELD
250
CODE
#8 .173 .200 .240 .406 .437 .562 .593 .672 .750 .825 .937 1.030 1.125
#10 .204 .218 .250 .406 .437 .562 .593 .672 .750 .825 .937 1.030 1.125
1
⁄4 .281 .250 .312 .469 .500 .562 .593 .672 .750 .825 .937 1.030 1.125
5
⁄16 .344 .375 .406 .562 .562 .562 .675 .672 .750 .825 .937 1.030 1.125
3
⁄8 .406 .375 .440 .578 .578 .594 .675 .672 .750 .825 .937 1.030 1.125
1
⁄2 .531 .500 .562 — — — .750 .750 .750 .825 .937 1.030 1.125
5
⁄8 .656 .625 .875 — — — — — — — .937 1.030 1.125
3
⁄4 .812 .750 .770 — — — — — — — — — —
7
⁄8* .937 .875 .890 — — — — — — — — — —
1* 1.062 .937 1.000 — — — — — — — — — —
* These bolt holes available in one-hole lug only.
Chart B
CABLE
SIZE
TONGUE
THICKNESS
STRAIGHT LUG
BARREL LENGTH
PLUS TRANSITION BARREL
DIM “X”
STACKED LUGS DIM “Y” DIM “H”
SHORT LONG O.D. I.D. STRAIGHT 45° 90° SHORT LONG SHORT LONG
#8 .080 .635 .935 .260 .180 .158 .478 .394 .595 .808 .779 1.079
#6 .081 .675 .975 .296 .215 .134 .544 .432 .587 .799 .767 1.067
#4 .099 .685 .985 .365 .266 .175 .622 .502 .637 .849 .838 1.138
#2 .108 .815 1.115 .410 .302 .216 .649 .535 .711 .923 .958 1.258
#1 .106 .825 1.275 .467 .361 .212 .731 .592 .710 1.028 .956 1.406
1/0 .125 .975 1.325 .520 .396 .250 .789 .646 .794 1.042 1.075 1.425
2/0 .125 .965 1.315 .571 .446 .250 .859 .696 .829 1.077 1.125 1.475
3/0 .125 1.085 1.435 .632 .507 .250 .946 .757 .900 1.148 1.225 1.575
4/0 .137 1.255 1.705 .701 .564 .274 1.031 .826 1.015 1.333 1.387 1.837
250 .137 1.375 1.925 .766 .629 .274 1.123 .891 1.085 1.474 1.487 2.037
300 .153 1.900 2.675 .850 .660 .459 1.226 .975 1.180 1.726 1.924 2.679
350 .177 2.090 2.896 .926 .720 .531 1.333 1.103 1.267 1.830 2.096 2.896
400 .173 2.460 2.980 .960 .757 .519 1.370 1.085 1.551 1.913 2.484 2.984
500 .218 2.670 3.610 1.100 .852 .654 1.514 1.225 1.629 2.266 2.669 3.619
600 .244 2.900 3.490 1.200 .926 .732 1.630 1.325 1.762 2.147 2.897 3.497
700 .228 2.784 — 1.255 .997 .684 1.662 1.375 1.780 — 3.011 —
750 .270 3.050 3.925 1.330 1.030 .810 1.745 1.455 1.827 2.434 3.050 3.925
800 .266 3.213 — 1.375 1.079 .800 1.728 1.625 1.952 2.787 3.213 4.554
900 .313 3.450 4.550 1.500 1.145 .940 1.900 1.650 2.065 — 1.387 —
1,000 .297 3.356 4.500 1.550 1.203 .890 2.070 1.675 2.031 2.787 1.487 4.506
Note: Stacking lugs are available for one bolt only.
Consult Factory: Straight: 700 kcmil & up.
45°: 400 kcmil & up
90°: 500 kcmil & up
Stud Sizes
❑
#8
❑
#10
❑
1
⁄4"
❑
5
⁄16"
❑
3
⁄8"
❑
1
⁄2"
❑
5
⁄8"
❑
3
⁄4"
❑
7
⁄8"
❑
1"
❑
Single Hole
❑
Double Hole
❑
Blank