4 Inch Square Extension Ring 2-1/8 Inch Deep Drawn With Knockouts 53171-1 (Pack of 25)

About:

• This indicates the size and shape of the extension ring. It's designed to fit onto a standard 4-inch square electrical junction box.
• This refers to the component itself—a ring-shaped piece that extends the depth of the junction box.
• This specifies the depth of the extension ring. In this case, it's 2-1/8 inches deep
• This indicates that the extension ring has pre-punched holes measuring 2-1/8 inch in diameter.

Also known as:

4 Square Extension Ring, 4 Square Extension Ring With 2-1/8" Depth, 4 Square Electrical Box Extension Ring, Extension Ring Welded 2-1/8 Inch Deep.

Specification:

• Type: 4 Inch Square Extension Ring
• Material: Galvanized Steel
• Product Height: 2.13 Inch
• Product Width: 4.0 Inch
• Color: Silver
• Bottom Knockouts: (2) 3/4", (3) 1/2"
• Side Knockouts: (8) 1
• UPC: 785592981950

Features:

• Drawn design
• Combination Phillips/Slotted screw heads