Model # J-B1-25

Internet #202907605

Store SKU #599549

Store SO SKU #321532

Blackburn Bronze Ground Clamp 1/2 - 1 in.
0783786070480

Blackburn

Bronze Ground Clamp 1/2 - 1 in.

  • Cast of high-strength, highly conductive copper alloy
  • Screws plated for corrosion resistance
  • Water Pipe Size 1/2" - 1"
$297 /each
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Product Overview

  • Cast of high-strength, highly conductive copper alloy
  • Screws plated for corrosion resistance
  • Water Pipe Size 1/2" - 1"
The Blackburn 1/2 - 1 in. Type-J Bronze Ground Clamp connects a ground conductor to a water pipe or copper tube. This ground clamp offers corrosion-resistant screws and a highly conductive copper alloy construction. Cast Bronze Ground Clamp for Wire Range 10 - 2.
  • Type-J clamp for use in connecting a ground conductor to a water pipe or copper tube
  • High-strength, highly conductive copper alloy construction with bronze finish
  • Corrosion-resistant screws
  • Suitable for use with 1/2 - 1 in. water pipe sizes
  • 10 - 2 wire range
  • UL and CSA safety listings
  • Note: product may vary by store
  • Note: product may vary by store

Product Overview

The Blackburn 1/2 - 1 in. Type-J Bronze Ground Clamp connects a ground conductor to a water pipe or copper tube. This ground clamp offers corrosion-resistant screws and a highly conductive copper alloy construction. Cast Bronze Ground Clamp for Wire Range 10 - 2.

  • Type-J clamp for use in connecting a ground conductor to a water pipe or copper tube
  • High-strength, highly conductive copper alloy construction with bronze finish
  • Corrosion-resistant screws
  • Suitable for use with 1/2 - 1 in. water pipe sizes
  • 10 - 2 wire range
  • UL and CSA safety listings
  • Note: product may vary by store
  • Note: product may vary by store

Info & Guides

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Name Zinc Ground Clamp 1/2 - 1 in. Bronze Ground Clamp 1/2 - 1 in. 1-1/2 in. Non-Metallic Female Adapter (Case of 5) 2 in. Non-Metallic Female Adapter (Case of 4)
Brand Blackburn Blackburn
Ratings (2) (4) (0) (0)
Application type Grounding Grounding Non-metallic Non-metallic
Fitting type Clamp Clamp Adapter Adapter
Trade Size (in.) Other Other 1-1/2 2
Material Zinc Bronze PVC PVC
View Product View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
.5
Product Height (in.)
2.25
Product Width (in.)
2.25
Trade Size (in.)
Other

Details

Application type
Grounding
Compatible conduit type
Multiple
Electrical Product Type
Distribution Load Center / Breaker Accessory
Fitting type
Clamp
Material
Bronze
Package Quantity
1
Paintable/Stainable
No
Product Weight (lb.)
.155lb

Warranty / Certifications

Certifications and Listings
1-UL Listed
Manufacturer Warranty
no

Specifications

Dimensions

Product Depth (in.)
.5
Product Height (in.)
2.25
Product Width (in.)
2.25
Trade Size (in.)
Other

Details

Application type
Grounding
Compatible conduit type
Multiple
Electrical Product Type
Distribution Load Center / Breaker Accessory
Fitting type
Clamp
Material
Bronze
Package Quantity
1
Paintable/Stainable
No
Product Weight (lb.)
.155lb

Warranty / Certifications

Certifications and Listings
1-UL Listed
Manufacturer Warranty
no

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Customer Questions & Answers

Can this be used with aluminum wire? If so does it require a NOALOX style anti oxidation compound?

Can this be used with aluminum wire? If so does it require a NOALOX style anti oxidation compound?
Asked by: Man
J-B1-25 is bronze and cannot be used with aluminum wire. If you are not going to do direct burial, look at the #J clamp, It’s aluminum.
Answered by: Thomas & Betts
Date published: 2017-07-17

Can this be used on bonding gas pipe to the main grounding block in the distribution panel inside...

Can this be used on bonding gas pipe to the main grounding block in the distribution panel inside a house?
Asked by: John
No, this is only approved for water pipe
Answered by: Thomas & Betts
Date published: 2016-11-30

Can you cover this clamp with concrete

Asked by: Divinseagull
No, this item features a steel screw that will corrode if exposed to the moisture in concrete. We recommend our model JD-B1-15. This model offers a bronze screw and is rated for direct burial including concrete.
Answered by: Thomas & Betts
Date published: 2016-06-24

why won't you ship two of these clamps to my home? they told me on the phone that it is an "in-store only" item

Blackburn Model # J-B1-25 Internet # 202907605 Store SKU # 599549 1/2 - 1 in. Type-J Bronze Ground Clamp
Asked by: rmpete
These are available on-line but are available only in full case quantity (internet sku 202921021). Since you only need 2, it seems to make more sense to purchase in store.
Answered by: Thomas & Betts
Date published: 2017-03-05
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Customer Reviews

Bronze Ground Clamp 1/2 - 1 in. is rated 3.8 out of 5 by 4.
Rated 5 out of 5 by from how to install you have to turn the one side around to make it fit on smaller sizes its best to use a licensed electrician in you are worried about electrical safety
Date published: 2013-11-19
Rated 5 out of 5 by from Easy to install The old ground wire was too thin, so I replaced the thin speaker wire with some 8 gauge wire. I hooked up the new wire to this ground clamp. It was very easy to install and fit perfectly on 3/4 inch copper tube. The screws work with a slotted, Phillips or square screwdriver. Now my house is properly grounded and has a very safe electrical system!
Date published: 2015-05-02
Rated 4 out of 5 by from Does what it is supposed to Works well when used to clamp ground wire to 1/2" to 1" underground water pipe. NOT designed for use on 1/2"ground rod as in previous post. 1/2" copper pipe is 5/8 OD and works fine. Screws rust minus 1star.
Date published: 2014-01-07
Rated 1 out of 5 by from doesn't work for 1/2" ground rod although the description says 1/2 to 1", it just barely stays on my 1/2" ground rod. in fact, even fully tightened, i can wiggle it off the ground rod. That's not tight enough when my safety is dependent upon a solid connection to ground.
Date published: 2013-05-04
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