Cut Sheet

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Mechanical Service Entrance Connectors
Connectors & Grounding — Blackburn
®
Overhead Connectors
Long-lasting connectors with bodies
and screws made of high-strength copper alloy.
N and NPW Service Entrance Connectors
• Both types have a slotted hex-head screw for strong, tight connections
• Type NPW is tin plated to resist corrosion
• Type NPW has a tin-plated phosphor bronze washer to protect
the conductor and evenly distribute pressure
• Type NPW is dual-rated for use on ACSR and copper conductors
House not adjacent to a pole?
This is the span clamp you need.
MS Neutral Span Clamp
• A combination aerial cable-neutral parallel-groove
connector and dead-ending clamp
• Accommodates up to four service drops
• Taps may be installed later, independent
of existing connections
• High-strength, one-piece construction
• Castings are of high-strength aluminum alloy
• Hardware is made of galvanized steel
6N
CAT. NO.
CONDUCTOR RANGE (AWG)
DIMENSIONS
BOLT
HEAD
ACSR COPPER
MAX. MIN. MAX. MIN. A B C D
10N — — #10 str. #14 sol.
3
⁄8 .337 .156 .562
9
⁄32
6N #8 #8 #6 str. #10 sol.
7
⁄16 .415 .191 .656
5
⁄16
4N #6 #8 #4 str. #6 sol.
1
⁄2 .515 .243 .775
3
⁄8
— #4 #8 #2 str. #6 sol.
21
⁄32 .643 .304 .97
1
⁄8
10NPW — — #10 str. #14 sol.
3
⁄8 .337 .156 .562
9
⁄32
6NPW #8 #8 #6 str. #10 sol.
7
⁄16 .415 .191 .656
5
⁄16
4NPW #6 #8 #4 str. #6 sol.
1
⁄2 .515 .243 .775
3
⁄8
2NPW #4 #8 #2 str. #6 sol.
21
⁄32 .643 .304 .97
1
⁄8
CAT. NO.
CONDUCTOR RANGE
ACSR AWG
MAIN TAP MAIN TAP
MS4 4/0–#4 1/0–#6 4/0 str.–#2 sol. 1/0 str.–#6 sol.
Type N Type NPW
A
C
B
Washer on
Type NPW only
H
B
H
A
C
3
⁄8"
9
⁄16"
5"
2
1
⁄8"
2
7
⁄16"