Cut Sheet

Blackburn
®
Compression Connectors
C2
www.tnb.ca
Compression H-Tap Connectors
Tap
Main
L
A
B
Main
Tap
• For combinations of aluminum-aluminum and aluminum-copper conductors
• Pass the requirements of ANSI C119.4
• Standard compression tools and dies install all sizes
• Seven Connector Program provides superior connector performance, lower connection
costs and simplified installation procedures
• Fold-in tabs provide positive tab interlock as tool closes
• Field-proven ribbed design provides unparalleled connector/conductor contact, without
distorting the conductor’s shape
• Made of 1350 aluminum alloy
• Pre-filled with an oxide inhibitor which is held captive in the rib/connection area
• For copper-to-copper combinations, use CF type shown on page C9
"O" and "D" Die Seven Connector Program
Type WR — Wide Range Aluminum Tap Connectors
Cat. No.
Connector
No.
Conductor Range
Connector
Length
L (in.)
Installation Information
Standard Conductor Compact Conductor Diameter (in.)
Connector Die
No. Indents
Main Tap Main Tap Main Tap
Mech.
Tool
Hyd.
Tool
ACSR Str. Sol. ACSR Str. Sol. ACSR Str. ACSR Str. Max. Min. Max. Min.
WR159 1
2
3
4
6
1
2
3
4
6
2
3
4
6
2
3
4
6
1
2
3
4
6
2
3
4
6
2
3
4
6
1
2
3
4
6
2
3
4
6
1
2
3
4
6
0.332 0.162
0.332 0.162
1-7/16
0
4
2
WR189 2
1/0
1
2
3
2/0
1/0
1
2
3/0
2/0
1/0
1
1/0
1
2
3
4
6
2/0
1/0
1
2
2/0
1/0
1
2
1
2
3
4
6
0.419 0.266 1-11/16
5
WR289 3
2/0
1/0
3/0
2/0
4/0
3/0
3/0
2/0 30
0.470
0.398
1-13/16
D
WR279 4
3/0
2/0
1/0
4/0
3/0
2/0
2/0
1/0
1
3/0
2/0
1/0
3/0
2/0
3/0
2/0
1/0
3/0
2/0
1/0
3/0
2/0
1/0
3/0
2/0
1/0
0.336 0.470 0.36
WR379 5
4/0
3/0
4/0
–
2
3
4
6
1
2
3
4
6
1/0
1
2
3
4
6
266-18/1
250
4/0
266
250
4/0
1
2
3
4
6
1
2
3
4
6
0.563
0.475 0.332 0.162
WR399 6
4/0
3/0
2/0
1/0
1
2/0
1/0
3/0
2/0
266-18/1
4/0
3/0
266
250
4/0
2/0
1/0
3/0
2/0
1/0
0.461
0.447 0.338 2-3/16 6
WR419 7
4/0
3/0
4/0
3/0 –
266-18/1
4/0
3/0
266
250
4/0
0.563 0.461 2-7/16 7 3