Page 254 - PUC 2017 Master Catalog

GROUNDING CONNECTORS

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 CONDUCTOR APPROXIMATE DIMENSIONS (IN.) BOLT
NUMBER RANGE A B C SIZE A
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
B C
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
500 - 750 kcmil
GMS-5• 750 - 1000 kcmil 3.00 1.75 3.00 5/8
GROUNDING CONNECTORS Bronze Ground Clamp Connectors
5/8
1.88
3.13
3.50
GMS-6•
• UL listing is limited to a maximum wire size of 250 kcmil

Type GWL

• 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

CATALOG CONDUCTOR APPROXIMATE DIMENSIONS (IN.) BOLT
NUMBER RANGE A B C SIZE
GWL-1 1.13 1.50 1.38 3/8
GWL-2 8 Str. - 4 Str. 1.75 1.75 1.88 1/2
GWL-3 1.69 2.00 1.88 3/8
GWL-4 3 Str. - 2/0 Str. 1.81 2.13 1.88 1/2
GWL-5 2.25 2.25 2.38 3/8
GWL-6 3/0 Str. - 250 kcmil 2.25 2.38 2.38 1/2
GWL-7 2.25 2.50 2.38 5/8

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