Penn Union GMS, GWL Catalog Page
GROUNDING CONNECTORS
A
Bronze Ground Clamp Connectors
Type GMS
• Clamp is manufactured from high copper content alloy
• Designed to clamp a single copper conductor to flat a surface or 1/4” thick bus bar
• Furnished with silicon bronze bolt, nut, and lockwasher for corrosion resistance
• Standard catalog items accommodate 1/4” bar; for other applications, specify bar thickness
• Suitable for direct burial in earth or concrete
• UL 467 listed
CATALOG
NUMBER
GMS-1 8 Sol. - 4 Str. 1.25 1.00 1.63 3/8
GMS-2 4 Sol. - 2/0 Str. 1.63 1.13 1.75 3/8
GMS-3 2/0 Sol. - 250 kcmil 2.13 1.50 2.00 1/2
GMS-4• 300 - 500 kcmil 2.38 1.63 2.50 1/2
GMS-5• 500 - 750 kcmil 3.00 1.75 3.00 5/8
GMS-6• 750 - 1000 kcmil 3.50 1.88 3.13 5/8
• UL listing is limited to a maximum wire size of 250 kcmil
CONDUCTOR
RANGE
APPROXIMATE DIMENSIONS (IN.)
A B C
BOLT
SIZE
Bronze Ground Clamp Connectors
Type GWL
GROUNDING CONNECTORS
• Clamp is manufactured from high copper content alloy
• Designed to clamp a single copper conductor to flat a surface or 1/4” thick bus bar
• Furnished with silicon bronze bolt, nut, and lockwasher for corrosion resistance
• Conductor is gripped by looping around the clamping bolt in connector groove
• Standard catalog items accommodate 1/4” bar; for other applications, specify bar thickness
• Suitable for direct burial in earth or concrete
• UL 467 listed
B
C
CATALOG
NUMBER
GWL-1
GWL-2 1.75 1.75 1.88 1/2
GWL-3
GWL-4 1.81 2.13 1.88 1/2
GWL-5
GWL-6 2.25 2.38 2.38 1/2
GWL-7 2.25 2.50 2.38 5/8
234
CONDUCTOR
RANGE
8 Str. - 4 Str.
3 Str. - 2/0 Str.
3/0 Str. - 250 kcmil
APPROXIMATE DIMENSIONS (IN.)
A B C
1.13 1.50 1.38 3/8
1.69 2.00 1.88 3/8
2.25 2.25 2.38 3/8
BOLT
SIZE
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