Bonding and Grounding - Communication (CA12005E)

Ground Rod Clamps

GROUND ROD CLAMPS Cast bronze, accommodate #12–1/0 AWG (unless otherwise noted). Features • Two diameters allow for placement before or after the ground rod has been driven. (A peened-over ground rod is passed through the larger opening and secured in the smaller diameter.) • Optional locking device prevents the bolt from loosening. • Bronze material keeps corrosion to a minimum. • Optional breakaway features provide for foolproof installation.

Clamps marked UL listed, and with a ground wire range of #12–1/0 solid or stranded, are listed as suitable for direct burial and the following ground wire combinations: Single wire - #12 AWG–1/0 AWG Two like wires - #6, #10, #12 AWG Three like wires - #6, #10, #12 AWG

Unlike wire combinations: Two #2 AWG with one #6 AWG

One or two #10 AWG with one #12 AWG One or two #12 AWG with one #10 AWG

Installed, zinc breakaway cap broken off—BF-04 version

Installed, torque shear head broken off—BL version

At a glance . . .

PART NUMBER

GROUND ROD

WIRE SIZE

DISTINGUISHING FEATURES

LISTINGS cULus, RUS cULus, RUS

EM-1DB

1⁄2" 1⁄2" 1⁄2" 5⁄8" 5⁄8"

#12–1/0 #12–1/0 #12–1/0 #12–1/0 #12–1/0

None—Standard clamp

EM-1DB-BL

Torque shear head, Nonremovable Torque shear head, Removable

EM-1DB-BF-04

RUS

EM-2DB-01

None—Standard clamp

cULus, RUS cULus, RUS

BONDING &

GROUNDING

EM-2DB

Anti-loosening

Anti-loosening, Torque shear head, Nonremovable

EM-2DB-BL-01

#12–1/0

5⁄8" 5⁄8"

cULus, RUS

EM-2DB-BF-03

#12–1/0

Anti-loosening, Breakaway cap, Removable Anti-loosening, Breakaway cap, Removable, Longer bolt Breakaway cap, Anti-loosening, Removable

cULus

EM-2DB-BF-04

#12–1/0

5⁄8"

cULus, RUS

EM-6DB EM-6DBP EM-58ZY

5⁄8" & 1⁄2" 5⁄8" & 1⁄2"

#12–2 #12–2 #6–10

cULus cULus None

None—Standard clamp Plated zinc die-cast alloy

5⁄8"

For Electric Motion Company (EMC) part numbers starting with “EM” please contact EMC customer service at 860-379-8515 or cs110@hubbell.com

Page G76 | August 2022