Appleton ETP Square Box Extension Ring, Welded, 12 Knockouts, (8) 1/2 in, (4) 3/4 in Side Knockout, 4 in Length, 4 in Width, 1-1/2 in Depth, Squared Shape, 21 cu-in Capacity, Steel, Pre-Galvanized
ARRA Compliant|Buy American Act Compliant|UL 514A File No. E2527
Applications: For use with 4 IN boxes
Standards: UL 514A Listed in File Number E2527, NEMA OS-1
Capacity
21
Depth
1-1/2
Finish
Pre-Galvanized
Knockout Size
(8) 1/2 in, (4) 3/4 in Side
Length
4
Material
Steel
Number of Knockouts
12
Shape
Squared
Type
Welded
Width
4
Brand
Appleton
Manufacturer
Emerson Electric