Unlock Free shipping on qualifying orders over $99. Just 
Unlock Free shipping on qualifying orders over $99.
 Just 
HomElectrical.com Wholesale Electrical, HVAC & Lighting Supplies for Pros

Morris 4-in Round Weatherproof Box Extension, 4-Hole, 1/2-in, Gray

Morris 36710
SKU MRS-36710
Morris' 4-in round weatherproof box extension has 4 outlet holes with 1/2-in diameter and a gray finish. Includes closure plugs. Add this weatherproof box extension to your cart today at HomElectrical.com!
Morris 4-in Round Weatherproof Box Extension, 4-Hole, 1/2-in, Gray

Image may not depict product actual color, inclusions or accessories

Morris' 4-in round weatherproof box extension has 4 outlet holes with 1/2-in diameter and a gray finish. Includes closure plugs. Add this weatherproof box extension to your cart today at HomElectrical.com!
cUL/UL Listed

  • Gray finish.
  • 4-in Round; 4 Outlet Holes; 1/2-in Diameter.
  • Includes (3) closure plugs.
  • Seamless die cast aluminum.
  • Powder coat finish.

cUL/UL Listed

Morris 36710 Description

cUL/UL Listed

  • Gray finish.
  • 4-in Round; 4 Outlet Holes; 1/2-in Diameter.
  • Includes (3) closure plugs.
  • Seamless die cast aluminum.
  • Powder coat finish.

cUL/UL Listed
$18.26Each
In Stock-

Ships between 05/08/2026 - 05/22/2026

Product Specifications

Part Number36710
CertificatecUL/UL Listed
Color / FinishGray
Product Dimensions4-in X 4-in X 1.50-in
Weight0.60-lb
UPC601986367103

Manufacturer Description

4" Round WP Box 4-1/2" EXT
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-in round weatherproof box extension has 4 outlet holes with 1/2-in diameter and a gray finish. Includes closure plugs. Add this weatherproof box extension to your cart today at HomElectrical.com!
Morris 4-in Round Weatherproof Box Extension, 4-Hole, 1/2-in, Gray
cUL/UL Listed
$18.26Each
In Stock-

Ships between 05/08/2026 - 05/22/2026

Morris 36710 Description

  • Gray finish.
  • 4-in Round; 4 Outlet Holes; 1/2-in Diameter.
  • Includes (3) closure plugs.
  • Seamless die cast aluminum.
  • Powder coat finish.

Product Specifications

Part Number36710
CertificatecUL/UL Listed
Color / FinishGray
Product Dimensions4-in X 4-in X 1.50-in
Weight0.60-lb
UPC601986367103

Manufacturer Description

4" Round WP Box 4-1/2" EXT
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