Hubbell 53171KBAR Extension Ring, 1/2 in, Metal, Ceiling, Wall

Knockout Size : 1/2 In
Shape : Square
Cubic Capacity : 21 Cu-in
Dimensions : 4 In L X 4 In W X 2-1/2 In D
Material : Metal
Mounting Type : Ceiling, Wall
Includes : (2) Raised Ground Screw, Extension Ring

Knockout Size : 1/2, 3/4 In
Shape : Square
Cubic Capacity : 30 Cu-in
Dimensions : 4 In L X 4 In W X 2-1/8 In D
Material : Metal
Mounting Type : Ceiling, Wall
Includes : (2) Raised Ground Screw

Knockout Size : 1/2 In
Shape : Square
Cubic Capacity : 42 Cu-in
Dimensions : 4-11/16 In L X 4-11/16 In W X 1-1/2 In D
Material : Metal
Mounting Type : Ceiling, Wall
Includes : Extension Ring

Number Of Knockouts : 8
Cubic Capacity : 30 Cu-in
Shape : Square
Material : Metal
Width : 4 In
Depth : 2-1/8 In
Height : 4 In
Mounting Type : Screw

Cable Entry : Knockout
Number Of Knockouts : 17
Knockout Size : 1/2, 3/4 In
Number Of Gangs : 2
Shape : Square
Cubic Capacity : 30.3 Cu-in
Dimensions : 4 In H X 4 In W X 2-1/8 In D
Material : Steel
Color : Gray
Finish : Pre-Galvanized

Cable Entry : Knockout
Number Of Knockouts : 14
Knockout Size : 1/2 In
Shape : Square
Cubic Capacity : 21 Cu-in
Dimensions : 1.56 In L X 4 In W X 1.5 In D
Material : Galvanized Steel
Color : Silver
Mounting Type : Flush
Includes : Ground Screw