Installation Guide
United States
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F-161
Connectors & Grounding — Blackburn
®
Mechanical Connectors
Two-Bolt Connectors
• For use on copper conductors only
• Single-piece construction spacer
• Castings and bolts made of high-
strength copper alloy
• Spacer made of ductile, high-
conductivity copper alloy
• UL
®
486A Listed for copper
conductor only
Ringed, contoured spacer swings
easily over conductor.
Type 2BW — Two-Bolt
Connector with Spacer
For use on copper, aluminum
and ACSR conductors.
Type 2BPW — Two-Bolt
Connector with Spacer
• Single-piece construction spacer
• UL
®
486A Listed for copper conductor only
Cat. No.
CoNduCtor raNge (aWg or kCmil) CoNduCtor diameter
Bolt
Head
dimeNsioNs
(iN.)maiN tap a B
max. miN. max. miN. max. miN. max. miN. l H e
2B10W 1/0 Str. 2 Str. 1/0 Str. 10 Sol. .373 .292 .373 .102
1
⁄2 1
5
⁄16 1
5
⁄8
5
⁄16
2B20W 2/0 Str. 2 Str. 2/0 Str. 8 Sol. .419 .292 .419 .128
1
⁄2 1
5
⁄16 1
5
⁄8
5
⁄16
2B40W 4/0 Str. 1/0 Str. 4/0 Str. 6 Sol. .528 .368 .528 .162
9
⁄16 1
23
⁄32 2
1
⁄8
3
⁄8
2B350W 350 kcmil 4/0 Str. 350 kcmil 4 Sol. .681 .522 .681 .204
3
⁄4 2
1
⁄8 2
1
⁄2
1
⁄2
2B500W 500 kcmil 350 kcmil 500 kcmil 4 Sol. .813 .679 .813 .204
3
⁄4 2
1
⁄4 2
3
⁄4
1
⁄2
2B800W 800 kcmil 600 kcmil 800 kcmil 2 Sol. 1.031 .891 1.031 .258
3
⁄4 2
1
⁄2 3
1
⁄4
1
⁄2
2B1000W 1000 kcmil 750 kcmil 1000 kcmil 2 Sol. 1.152 .997 1.152 .258
15
⁄16 2
31
⁄32 3
3
⁄4
5
⁄8
Cat. No.
CoNduCtor raNge (aWg or kCmil) CoNduCtor diameter
Bolt
Head
dimeNsioNs (iN.)maiN tap a B
max. miN. max. miN. max. miN. max. miN. l H e
2B10pW 1/0–2 1/0–6 1/0 Str.–2 Str. 1/0 Str.–2 Sol. .398 .292 .398 .102
1
⁄2 1
5
⁄16 1
5
⁄8
5
⁄16
2B20pW 2/0–2 2/0–6 2/0 Str.–2 Str. 1/0 Str.–2 Sol. .447 .292 .447 .128
1
⁄2 1
5
⁄16 1
5
⁄8
5
⁄16
2B40pW 4/0–1/0 4/0–6 4/0 Str.–1/0 Str. 4/0 Str.–1/0 Sol. .563 .368 .563 .162
9
⁄16 1
23
⁄32 2
1
⁄8
3
⁄8
2B350pW 350–4/0 350–4 350–4/0 350–4 Sol. .680 .522 .680 .204
3
⁄4 2
1
⁄8 2
1
⁄2
1
⁄2
2B500pW 397.5–336.4 397.5–4 500–350 500–4 Sol. .813 .679 .813 .204
3
⁄4 2
1
⁄4 2
3
⁄4
1
⁄2
2B800pW 666.6–397.5 666.6–2 800–600 800–2 Sol. 1.031 .891 1.031 .258
3
⁄4 2
1
⁄2 3
1
⁄4
1
⁄2
2B1000pW 900–666.6 900–2 1000–750 1000–2 Sol. 1.162 .997 1.162 .258
15
⁄16 2
31
⁄32 3
3
⁄4
5
⁄8
A
B
L
H
A
B
L
H
E
E