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Product Guide  >  Grounding Materials  >  U-Bolt Ground Clamps  >  U-Bolt Ground Clamps with Heavy Duty Connector

allG offers a U-Bolt Ground Clamp with Heavy Duty Connector in a variety of materials. The heavy duty conductor connector is cast metal and accepts one or two conductors. It can be rotated to accommodate vertical or horizontal connections.

See Also

Image Item Description Weight Price Unit Qty
Item #1390-34-114
1390-34-114
Item #1390-34-114 		Robbins U-Bolt Clamp; Brass/bronze; Fits 3/4" to 1-1/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.60 lbs. $25.00* EA
Item #1390-114-2
1390-114-2
Item #1390-114-2 		Robbins U-Bolt Clamp; Brass/bronze; Fits 1-1/4" to 2" max dia; (1) or (2) wires with 0.292 to 0.528 max diameter; UL Listed 0.70 lbs. $31.00* EA
Item #1390-2-212
1390-2-212
Item #1390-2-212 		Robbins U-Bolt Clamp; Brass/bronze; Fits 2" to 2-1/2" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.80 lbs. $34.00* EA
Item #1390-212-334
1390-212-334
Item #1390-212-334 		Robbins U-Bolt Clamp; Brass/bronze; Fits 2-1/2" to 3-3/4" max diameter; With (1) or (2) wires 0.292 to 0.528 max diameter; UL listed 0.90 lbs. $39.00* EA
Item #1390-312-434
1390-312-434
Item #1390-312-434 		Robbins U-Bolt Clamp; Brass/bronze; Fits 3-1/2" to 4-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1 lbs. $45.00* EA
Item #1390-412-634
1390-412-634
Item #1390-412-634 		Robbins U-Bolt Clamp; Brass/bronze; Fits 4-1/2" to 6-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1.10 lbs. $59.00* EA
Item #1390-712-834
1390-712-834
Item #1390-712-834 		Robbins U-Bolt Clamp; Brass/bronze; Fits 7-1/2" to 8-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1.50 lbs. $78.00* EA
Item #1390-834-1034
1390-834-1034
Item #1390-834-1034 		Robbins U-Bolt Clamp; Brass/bronze; Fits 8-3/4" to 10-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1.80 lbs. $92.00* EA
Item #1390-1034-1234
1390-1034-1234
Item #1390-1034-1234 		Robbins U-Bolt Clamp; Brass/bronze; Fits 10-3/4" to 12-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 2.60 lbs. $112.00* EA
Item #1390BM-34-114
1390BM-34-114
Item #1390BM-34-114 		Robbins U-Bolt Clamp; Aluminum/bronze bimetal; Fits 3/4" to 1-1/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.45 lbs. $21.00* EA
Item #1390BM-114-2
1390BM-114-2
Item #1390BM-114-2 		Robbins U-Bolt Clamp; Aluminum/bronze bimetal; Fits 1-1/4" to 2" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.55 lbs. $24.00* EA
Item #1390BM-2-212
1390BM-2-212
Item #1390BM-2-212 		Robbins U-Bolt Clamp; Aluminum/bronze bimetal; Fits 2" to 2-1/2" max diameter; With (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.55 lbs. $27.00* EA
Item #1390BM-212-334
1390BM-212-334
Item #1390BM-212-334 		Robbins U-Bolt Clamp; Aluminum/bronze bimetal; Fits 2-1/2" to 3-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.60 lbs. $30.00* EA
Item #1390BM-312-434
1390BM-312-434
Item #1390BM-312-434 		Robbins U-Bolt Clamp; Aluminum/bronze bimetal; Fts 3-1/2" to 4-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.65 lbs. $34.00* EA
Item #1390BM-412-634
1390BM-412-634
Item #1390BM-412-634 		Robbins U-Bolt Clamp; Aluminum/bronze bimetal; Fits 4-1/2" to 6-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.85 lbs. $45.00* EA
Item #1390BM-712-834
1390BM-712-834
Item #1390BM-712-834 		Robbins U-Bolt Clamp; Aluminum/bronze bimetal; Fits 7-1/2" to 8-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1.35 lbs. $52.00* EA
Item #1390BM-834-1034
1390BM-834-1034
Item #1390BM-834-1034 		Robbins U-Bolt Clamp; Aluminum/bronze bimetal; Fits 8-3/4" to 10-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1.65 lbs. $68.00* EA
Item #1390BM-1034-1234
1390BM-1034-1234
Item #1390BM-1034-1234 		Robbins U-Bolt Clamp; Aluminum/bronze bimetal; Fits 10-3/4" to 12-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1.75 lbs. $90.00* EA
Item #A1390-34-114
A1390-34-114
Item #A1390-34-114 		Robbins U-Bolt Clamp; Aluminum; Fits 3/4" to 1-1/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; UL Listed 0.30 lbs. $18.00* EA
Item #A1390-114-2
A1390-114-2
Item #A1390-114-2 		Robbins U-Bolt Clamp; Aluminum; Fits 1-1/4" to 2" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; UL Listed 0.40 lbs. $20.00* EA
Item #A1390-2-212
A1390-2-212
Item #A1390-2-212 		Robbins U-Bolt Clamp; Aluminum; Fits 2" to 2-1/2" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; UL Listed 0.40 lbs. $22.00* EA
Item #A1390-212-334
A1390-212-334
Item #A1390-212-334 		Robbins U-Bolt Clamp; Aluminum; Fits 2-1/2" to 3-3/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; UL Listed 0.45 lbs. $25.00* EA
Item #A1390-312-434
A1390-312-434
Item #A1390-312-434 		Robbins U-Bolt Clamp; Aluminum; Fits 3-1/2" to 4-3/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; UL Listed 0.50 lbs. $30.00* EA
Item #A1390-412-634
A1390-412-634
Item #A1390-412-634 		Robbins U-Bolt Clamp; Aluminum; Fits 4-1/2" to 6-3/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; UL Listed 0.70 lbs. $40.00* EA
Item #A1390-712-834
A1390-712-834
Item #A1390-712-834 		Robbins U-Bolt Clamp; Aluminum; Fits 7-1/2" to 8-3/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; UL Listed 1.20 lbs. $49.00* EA
Item #A1390-834-1034
A1390-834-1034
Item #A1390-834-1034 		Robbins U-Bolt Clamp; Aluminum; Fits 8-3/4" to 10-3/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; UL Listed 1.50 lbs. $63.00* EA
Item #A1390-1034-1234
A1390-1034-1234
Item #A1390-1034-1234 		Robbins U-Bolt Clamp; Aluminum; Fits 10-3/4" to 12-3/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; UL Listed 1.60 lbs. $85.00* EA
Item #1390T-34-114
1390T-34-114
Item #1390T-34-114 		Robbins U-Bolt Clamp; Tinned/stainless; Fits 3/4" to 1-1/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.60 lbs. $28.00* EA
Item #1390T-114-2
1390T-114-2
Item #1390T-114-2 		Robbins U-Bolt Clamp; Tinned/stainless; Fits 1-1/4" to 2" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.70 lbs. $35.00* EA
Item #1390T-2-212
1390T-2-212
Item #1390T-2-212 		Robbins U-Bolt Clamp; Tinned/stainless; Fits 2" to 2-1/2" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.80 lbs. $38.00* EA
Item #1390T-212-334
1390T-212-334
Item #1390T-212-334 		Robbins U-Bolt Clamp; Tinned/stainless; Fits 2-1/2" to 3-3/4" max diameter; With (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 0.90 lbs. $44.00* EA
Item #1390T-312-434
1390T-312-434
Item #1390T-312-434 		Robbins U-Bolt Clamp; Tinned/stainless; Fits 3-1/2" to 4-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1 lbs. $52.00* EA
Item #1390T-412-634
1390T-412-634
Item #1390T-412-634 		Robbins U-Bolt Clamp; Tinned/stainless; Fits 4-1/2" to 6-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1.10 lbs. $67.00* EA
Item #1390T-712-834
1390T-712-834
Item #1390T-712-834 		Robbins U-Bolt Clamp; Tinned/stainless; Fits 7-1/2" to 8-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1.50 lbs. $92.00* EA
Item #1390T-834-1034
1390T-834-1034
Item #1390T-834-1034 		Robbins U-Bolt Clamp; Tinned/stainless; Fits 8-3/4" to 10-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 1.75 lbs. $107.00* EA
Item #1390T-1034-1234
1390T-1034-1234
Item #1390T-1034-1234 		Robbins U-Bolt Clamp; Tinned/stainless; Fits 10-3/4" to 12-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; UL Listed 2 lbs. $130.00* EA
Item #1390-114-2-316
1390-114-2-316
Item #1390-114-2-316
Robbins U-Bolt Clamp; Brass/bronze; Fits 1-1/4" to 2" max dia; (1) or (2) wires with 0.292 to 0.528 max diameter; Includes Grade 316 stainless steel h... (see more)
 0.70 lbs. $41.00* EA
Item #1390-2-212-316
1390-2-212-316
Item #1390-2-212-316
Robbins U-Bolt Clamp; Brass/bronze; Fits 2" to 2-1/2" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; Includes Grade 316 stainless steel h... (see more)
 0.80 lbs. $39.00* EA
Item #1390-212-334-316
1390-212-334-316
Item #1390-212-334-316
Robbins U-Bolt Clamp; Brass/bronze; Fits 2-1/2" to 3-3/4" max diameter; With (1) or (2) wires 0.292 to 0.528 max diameter; Includes Grade 316 stainles... (see more)
 0.90 lbs. $48.00* EA
Item #1390-312-434-316
1390-312-434-316
Item #1390-312-434-316
Robbins U-Bolt Clamp; Brass/bronze; Fits 3-1/2" to 4-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; Included Grade 316 stainless ste... (see more)
 1 lbs. $55.00* EA
Item #1390-412-634-316
1390-412-634-316
Item #1390-412-634-316
Robbins U-Bolt Clamp; Brass/bronze; Fits 4-1/2" to 6-3/4" max diameter; (1) or (2) wires 0.292 to 0.528 max diameter; Includes Grade 316 stainless ste... (see more)
 1.10 lbs. $67.00* EA
Item #A1390-34-114-316
A1390-34-114-316
Item #A1390-34-114-316
Robbins U-Bolt Clamp; Aluminum; Fits 3/4" to 1-1/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; Includes Grade 316 stainless steel har... (see more)
 0.30 lbs. $28.00* EA
Item #A1390-114-2-316
A1390-114-2-316
Item #A1390-114-2-316
Robbins U-Bolt Clamp; Aluminum; Fits 1-1/4" to 2" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; Includes Grade 316 stainless steel hardw... (see more)
 0.40 lbs. $30.00* EA
Item #A1390-2-212-316
A1390-2-212-316
Item #A1390-2-212-316
Robbins U-Bolt Clamp; Aluminum; Fits 2" to 2-1/2" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; Includes Grade 316 stainless steel hardw... (see more)
 0.40 lbs. $32.00* EA
Item #A1390-212-334-316
A1390-212-334-316
Item #A1390-212-334-316
Robbins U-Bolt Clamp; Aluminum; Fits 2-1/2" to 3-3/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; Includes Grade 316 stainless steel h... (see more)
 0.45 lbs. $35.00* EA
Item #A1390-312-434-316
A1390-312-434-316
Item #A1390-312-434-316
Robbins U-Bolt Clamp; Aluminum; Fits 3-1/2" to 4-3/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; Includes Grade 316 stainless steel h... (see more)
 0.50 lbs. $40.00* EA
Item #A1390-412-634-316
A1390-412-634-316
Item #A1390-412-634-316
Robbins U-Bolt Clamp; Aluminum; Fits 4-1/2" to 6-3/4" max diameter; (1) or (2) wires 0.292 to 0.562 max diameter; Includes Grade 316 stainless steel h... (see more)
 0.70 lbs. $50.00* EA

* Pricing subject to change on this item

**Product received may vary from photo

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