Message to Our Customers
Discontinued

Blackburn

Model # J-B1-25

Internet # 202907605

Store SKU # 599549

1/2 - 1 in. Type-J Bronze Ground Clamp

This item has been discontinued.
The Home Depot no longer carries this specific product.

$2.97 / each

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PRODUCT OVERVIEW

Model # J-B1-25

Internet # 202907605

Store SKU # 599549

Store SO SKU # 321532

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

SPECIFICATIONS

Dimensions
Product Depth (in.) 
2.5 
Product Height (in.) 
Product Width (in.) 
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 
25 
Paintable/Stainable 
No 
Product Weight (lb.) 
0.18 lb 
Warranty / Certifications
Certifications and Listings 
1-UL Listed 
Manufacturer Warranty 
no 

CUSTOMER REVIEWS

Rated 3.8 out of 5 by 4 reviewers.
Rated 5.0 out of 5.0 by 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! May 2, 2015
Rated 5.0 out of 5.0 by 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 November 19, 2013
Rated 4.0 out of 5.0 by 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. January 7, 2014
Rated 1.0 out of 5.0 by 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. May 4, 2013
  • 2015-06-30T12:29:30.076-05:00
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SHIPPING AND DELIVERY OPTIONS

Store Exclusive. This item is available for purchase in select stores only.