Product Brochure
29
Type GTC 23 and 24
A
G
E
H
D
B
Type GTC 13 and 14
A G
E
D
H
Diagrams
STRUCTURE GROUNDING
—
Structure grounding
Type GTC – Tower ground clamps & CTG250 wide-range tower ground clamp
Bolt features square shank to prevent
turning and enable clamp to be tightened
with a single wrench.
• Castings of high-strength, corrosion-resistant
copper alloy
• GTC23 and GTC24 are two-piece clamps for
connecting ground lead cable to flat metal
surface – ideal for grounding substations
on tower footings
• GTC13 and GTC14 are economical one-piece
clamps, which perform the same function as
two-piece clamps, except under-pad support
is omitted and conductor connects directly
to tower
• Add suffix L to catalog number for
1
2"
channel thickness
For use with aluminum or copper conductors.
• May be used in aluminum or galvanized-steel
cable tray
•
during tightening if 0.440" dia. hole is used
—
Type GTC – Tower ground clamps
—
CTG250 Wide-range tower ground clamp
Cat. no.
Conductor range
Dimension (in.)
Max.
(AWG)
Min.
(AWG)
Max.
(mm
2
)
Min.
(mm
2
)
Channel
thickness (in.) A B D E G H R
–
–
–
–
Cat. no. Wide range (2 sides) Height (in.) Width (in.) Depth (in.) Nut (flats)
Tin-plate body.
Galvanized hardware.
Diagram
3
8" Bolt with
ribbed neck
and Phillips
recessed head
Flat washer
Split washer
3
8" Nut