Selection Guide
8 BLACKBURN MECHANICAL CONNECTORS
For all-aluminum applications.
• Bolt, nut, pressure bar and contoured spacer
of aluminum alloy
• Large contoured spacer provides wide separation
• Nut anodized to prevent thread galling
• Blackburn
®
Contax
®
paste recommended
when used on aluminum conductor
Cat. no.
Conductor range (AWG)
Dimensions (in.)
Range for equal
main and tap
Range for equal
main and tap
Min. tap with one
max. main
ACSR Aluminum – A B C D
Contoured spacer and bell-mouth washer
distribute pressure over large area of conductor.
• Bolt, nut and washer made of high-strength
aluminum alloy
• Pressure bar and contoured spacer made
of electrolytic copper
• Spacer is completely tin plated
• Bolt and nut are anodized to prevent seizing
of threads and reduce galvanic corrosion
when in contact with copper conductor
• Blackburn Contax paste recommended
with this connector
Cat. no.
Conductor range (AWG)
Range for equal
main and tap
Min. tap with one
max. main Dimensions (in.)
Copper or aluminum A B C D
A
D
B
C
B
C
D
A
—
Split-bolt connectors
Type AAW and Type CA
—
Type AAW – Aluminum split-bolt connectors with spacer and washers
—
Type CA – Aluminum split-bolt connectors with spacer and washer
Diagram
Diagram