BURNDY Master Catalog (20190422)

Mechanical Grounding

Cast Bronze Clamps for Conduit Cast Bronze Clamp with Copper Strap

Type C-LH Cast Bronze Clamps for Conduit

For grounding rigid conduit systems. Continuity from rigid conduit systems to ground provided by cast bronze threaded conduit hub. Zinc plated screws.

-2, -3 Versions*

Accommodates Conductor Range

Recommended Screw Torque (Inch Pounds)

Reference Dimensions

Catalog Number

Water Pipe

Ground

Hub Size

H

L

W C Pipe Clamp Wire Clamp

1/2 - 1 [13-25] 1-1/4 - 2 [32-51] 2-1/2 - 4 [54-102] 1/2 - 1 [13-25] 1-1/4 - 2 [32-51] 2-1/2 - 4 [64-102] 1/2 - 1 [13-25] 1-1/4 - 2 [32-51] 2-1/2 - 4 [64-102]

1/2 [13] 1/2 [13] 1/2 [13] 3/4 [19] 3/4 [19] 3/4 [19] 1 [25] 1 [25] 1 [25]

2.25" [57] 2.88" [73] 4.56" [116] 2.56" [65] 3.19" [65] 4.88" [124] 2.69" [68] 3.32" [59] 5.01" [127]

3.23" [83] 3.50" [89] 4.82" [122] 2.86" [73] 3.50" [89] 4.82" [122] 2.86" [73] 3.50" [89] 4.82" [122]

0.69" [18] 0.69" [18] 0.69" [18] 1.00" [25] 1.00" [25] 1.00" [25] 1.13" [29] 1.13" [29] 1.13" [29]

0.97" [25] 1.34" [34] 2.44" [62] 1.13" [29] 1.50" [38] 2.38" [60] 1.19" [30] 1.56" [40] 2.44" [62]

C-11LH-1

10 Str. - 6 Sol.

50 in.-lb.

50 in.-lb.

C-22LH-1

10 Str. - 6 Sol.

50 in.-lb.

50 in.-lb.

C-4LH-1

10 Str. - 6 Sol.

50 in.-lb.

50 in.-lb.

C-11LH-2

2/0 - 10 Str.

50 in.-lb.

50 in.-lb.

C-22LH-2

2/0 - 10 Str.

50 in.-lb.

50 in.-lb.

C-4LH-2

2/0 - 10 Str.

50 in.-lb.

50 in.-lb.

C-11LH-3

3/0 - 10 Str.

50 in.-lb.

50 in.-lb.

C-22LH-3

3/0 - 10 Str.

50 in.-lb.

50 in.-lb.

C-4LH-3

3/0 - 10 Str.

50 in.-lb.

50 in.-lb.

* C-LH with -1 has one screw; -2 and -3 Versions have 2 screws as shown.

Type C-CS Cast Bronze Clamps with Copper Strap For grounding rigid conduit systems. Strap helps protect conduit system from water system vibrations. Zinc plated screws. Strap ETP copper.

Fig. 1

Fig. 2

Recommended Screw Torque (Inch Pounds)

Accommodates Conductor Range

Reference Dimensions

Catalog Number

Fig. #

Pipe Clamp

Wire Clamp

Water Pipe Ground Hub Size

H

L

W C

D

1/2 -1 [13-25] 1/2 -1 [13-25] 1/2 -1 [13-25] 1/2 -1 [13-25]

6 Sol. Max. 4/0 Str. Max. 4/0 Str. Max. 2/0 Str. Max.

1/2 [13] 3/4 [19] 1 [25] 1/2 [13]

1.75" [44] 1.75" [44] 1.75" [44] 1.75" [44]

8.50" [216] 8.50" [216] 8.50" [216] 8.50" [216]

1.06" [27] 1.25" [32] 1.50" [38] 1.18" [30]

1.06" [27] 1.50" [38] 1.75" [44] 1.06" [27]

6.12" [155] 6.12" [155] 6.12" [155] 6.12" [155]

C-11CSH-1

1

50 in.-lb.

50 in.-lb.

C-11CSH-2

1

50 in.-lb.

50 in.-lb.

C-11CSH-3

1

50 in.-lb.

50 in.-lb.

C11CSLH12

2

50 in.-lb.

45 in.-lb.

www.burndy.com 1-800-346-4175 (US)

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