Technical Bulletin
StructuredGround
™
Mechanical Connectors
11
• Bonds water pipe to copper conductors in
armored cables
• Made from high strength, electrolytic cast bronze
• Wire range-taking capability minimizes inventory
requirements, saves cost
• cULus 467 Listed for grounding and bonding;
GPCA2-1D-C is suitable for direct burial in earth
or concrete
Part Number
Conductor Size Range
(AWG)
Iron Pipe Size
(In.)
Figure Dimensions (In.)
Std.
Pkg.
Qty.
B C
D
Phos Bronze Hardware
GPCA2-1D-C #8 SOL – #4 STR 1/2 – 1 1.65 1.00 0.59 100
Zinc Plated Steel Hardware*
GPCA2-1-C* #8 SOL – #4 STR 1/2 – 1 1.65 1.00 0.59 100
GPCA2-2-L* #8 SOL – #4 STR 1 1/4 – 2 2.22 2.22 1.19 50
GPCA2-4-X* #8 SOL – #4 STR 2 1/2 – 4 4.25 3.83 2.70 10
GPCA2-6-X* #8 SOL – #4 STR 4 1/2 – 6 5.20 5.96 4.50 10
Bronze Ground Clamp, Armored Cable
B
RATED
D
D
C
B
C
B
D
• Dual-rated for grounding aluminum or copper code
conductors to copper water pipe, galvanized pipe, or
steel conduit
• Made from high strength, extruded aluminum alloy to
provide long term durability
• Tin-plated to inhibit corrosion and oxidation and for low
contact resistance
• Plated steel screws provide high strength and
inhibit corrosion
• Accommodates a wide range of pipe, tube, and conductor
sizes – minimizes inventory requirements, saves cost
• UL 467 Listed for grounding and bonding
W
L
Aluminum Grounding Clamp for Water Pipes
Part Number
Conductor Size Range
(AWG)
Conduit Pipe or
Water Tube Size
(In.)
Figure Dimensions
(In.)
Std.
Pkg.
Qty.
L W
GC-15A-Q #14 – 1/0 1/2 – 3/4 – 1 2.25 0.69 25
GC-18A-X #6 – 250 kcmil 1 1/4 – 1 1/2 – 2 3.75 0.81 10
GC-22A-4 #6 – 250 kcmil 2 1/2 – 3 – 3 1/2 – 4 6.31 1.00 4
*Not DB Rated