Unlock Free shipping on qualifying orders over $99. Just 

HomElectrical.com Wholesale Electrical, HVAC & Lighting Supplies for Pros

Morris 4-1/2-in - 6-in Copper Ground Pipe Clamp w/ Serrated Collar

Morris 91666
SKU MRS-91666
Morris' 4-1/2-in - 6-in copper ground pipe clamp has a serrated collar to accommodate adapters to ground armored cable or conduit to water pipes. Place this clamp in your HomElectrical.com cart today!
Morris 4-1/2-in - 6-in Copper Ground Pipe Clamp w/ Serrated Collar

Image may not depict product actual color, inclusions or accessories

Morris' 4-1/2-in - 6-in copper ground pipe clamp has a serrated collar to accommodate adapters to ground armored cable or conduit to water pipes. Place this clamp in your HomElectrical.com cart today!
cUL/UL Listed

  • Water Pipe Range: 4-1/2-in - 6-in.
  • Wire Range: 2-10.
  • Has serrations that would match the serrations of the armored cable or conduit adapters.
  • Used to connect copper grounding conductor to water pipe, ground rods and copper heater tubing.

cUL/UL Listed

Morris 91666 Description

cUL/UL Listed

  • Water Pipe Range: 4-1/2-in - 6-in.
  • Wire Range: 2-10.
  • Has serrations that would match the serrations of the armored cable or conduit adapters.
  • Used to connect copper grounding conductor to water pipe, ground rods and copper heater tubing.

cUL/UL Listed
Get FREE shipping on eligible order of $99+
Free Shipping Eligible
$52.15Each
In Stock-

Ships between 07/15/2026 - 07/29/2026

Product Specifications

Part Number91666
CertificatecUL/UL Listed
Weight0.50-lb
UPC601986916660

Manufacturer Description

4-1/2"- 6" Grnd Clamp w/Serr
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Morris' 4-1/2-in - 6-in copper ground pipe clamp has a serrated collar to accommodate adapters to ground armored cable or conduit to water pipes. Place this clamp in your HomElectrical.com cart today!
Morris 4-1/2-in - 6-in Copper Ground Pipe Clamp w/ Serrated Collar
cUL/UL Listed
Get FREE shipping on eligible order of $99+
Free Shipping Eligible
$52.15Each
In Stock-

Ships between 07/15/2026 - 07/29/2026

Morris 91666 Description

  • Water Pipe Range: 4-1/2-in - 6-in.
  • Wire Range: 2-10.
  • Has serrations that would match the serrations of the armored cable or conduit adapters.
  • Used to connect copper grounding conductor to water pipe, ground rods and copper heater tubing.

Product Specifications

Part Number91666
CertificatecUL/UL Listed
Weight0.50-lb
UPC601986916660

Manufacturer Description

4-1/2"- 6" Grnd Clamp w/Serr
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

Product Questions & Answers

Customer Reviews

Your voice matters. Be the first to leave a review and help other pros shop smarter