Technical Bulletin

StructuredGround
™
Mechanical Connectors
6
Bronze Grounding Clamp, U-Bolt
• Used to ground copper conductor parallel or at a right
angle to a rod, tube, or pipe
• Made from high strength, electrolytic cast bronze
• High strength silicon bronze hardware provides long
term reliable assembly
• Accommodates a wide range of pipe, tube, rod and
conductor sizes – minimizes inventory requirements,
saves cost
• cULus 467 Listed for grounding and bonding and
suitable for direct burial in earth or concrete
H
L
W
Part Number
Conductor Size Range
(AWG)
Ground Rod
Size (In)
Iron Pipe Size
(In)
Figure Dimensions
(In.)
Bolt
Dia.
(In.)
Hex
Size
(In.)
Std.
Pkg.
Qty.
L W
H
GPL-4-Q
#8 SOL – #4 STR 5/8 or 3/4 3/8
2.00 1.38 2.75 3/8 9/16 25
GPL-5-Q
#4 SOL – 2/0 STR 5/8 or 3/4 3/8
2.00 1.63 2.75 3/8 9/16 25
GPL-6-Q
2/0 SOL – 250 kcmil 5/8 or 3/4 3/8
2.00 1.88 2.75 3/8 9/16 25
GPL-8-Q
#8 SOL – #4 STR 7/8 or 1 1/2 or 3/4
2.38 1.38 2.63 3/8 9/16 25
GPL-9-Q
#4 SOL – 2/0 STR 7/8 or 1 1/2 or 3/4
2.38 1.63 2.63 3/8 9/16 25
GPL-10-Q
2/0 SOL – 250 kcmil 7/8 or 1 1/2 or 3/4
2.38 1.88 3.00 3/8 9/16 25
GPL-14-X
#8 SOL – #4 STR — 1
2.63 1.38 2.75 3/8 9/16 10
GPL-15-X
#4 SOL – 2/0 STR — 1
2.63 1.63 2.75 3/8 9/16 10
GPL-16-X
2/0 SOL – 250 kcmil — 1
2.63 1.88 3.25 3/8 9/16 10
GPL-20-X
#8 SOL – #4 STR — 1 1/4
3.00 1.38 3.50 3/8 9/16 10
GPL-21-X
#4 SOL – 2/0 STR — 1 1/4
3.00 1.63 3.50 3/8 9/16 10
GPL-22-X
2/0 SOL – 250 kcmil — 1 1/4
3.00 1.88 3.50 3/8 9/16 10
GPL-26-X
#8 SOL – #4 STR — 1 1/2
3.25 1.38 4.00 3/8 9/16 10
GPL-27-X
#4 SOL – 2/0 STR — 1 1/2
3.25 1.63 4.00 3/8 9/16 10
GPL-28-X
2/0 SOL – 250 kcmil — 1 1/2
3.25 1.88 4.00 3/8 9/16 10
GPL-32-3
#8 SOL – #4 STR — 2
3.75 1.38 4.25 3/8 9/16 3
GPL-33-3
#4 SOL – 2/0 STR — 2
3.75 1.63 4.25 3/8 9/16 3
GPL-34-3
2/0 SOL – 250 kcmil — 2
3.75 1.88 4.25 3/8 9/16 3
GPL-39-3
#4 SOL – 2/0 STR — 2 1/2
4.25 1.63 5.00 3/8 9/16 3
GPL-40-3
2/0 SOL – 250 kcmil — 2 1/2
4.25 1.88 5.00 3/8 9/16 3
GPL-44-1
#8 SOL – #4 STR — 3
4.75 1.38 5.50 3/8 9/16 1
GPL-45-1
#4 SOL – 2/0 STR — 3
4.75 1.63 5.50 3/8 9/16 1
GPL-46-1
2/0 SOL – 250 kcmil — 3
4.75 1.88 5.50 3/8 9/16 1
GPL-51-1
#4 SOL – 2/0 STR — 3 1/2
5.25 1.63 6.25 3/8 9/16 1
GPL-52-1
2/0 SOL – 250 kcmil — 3 1/2
5.25 1.88 6.25 3/8 9/16 1
GPL-57-1
#4 SOL – 2/0 STR — 4
5.75 1.63 6.38 3/8 9/16 1
GPL-58-1
2/0 SOL – 250 kcmil — 4
5.75 1.88 6.38 3/8 9/16 1
GPL-75-X
#4 SOL – 2/0 STR — 6
7.88 1.58 7.85 3/8 1 1/4 10
GPL-76-1
2/0 SOL – 250 kcmil — 6
7.94 1.00 6.81 3/8 9/16 1
B
RATED
D