4" Square Boxes - Extensions

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67 Products
Item # 0052108
4" Square, Extension Ring, Drawn, Metallic. Depth: 1-1/2". Side Knockouts: (8) 1/2" & (4) 3/4". Cubic Inches: 22.5". Attaches to Switch Boxes.
Item # 0072070
4" Square, Extension Ring, Drawn, Metallic. Depth: 1-1/2". Side Knockouts: (6) 1/2" & (4) 3/4". Cubic Inches: 21.0". Combo Extension-Thru-Ring. Top has (2) 8-32 Screws & Bottom has...
Item # 0052148
4" Square, Extension Ring, Drawn, Metallic. Depth: 1-1/2". Side Knockouts: (8) 1/2" & (4) 3/4". Cubic Inches: 22.5".
Item # 0052141
4" Square, Extension Ring, Drawn, Metallic. Depth: 1-1/2". Side Knockouts: (12) 1/2". Cubic Inches: 22.5".
Item # 0255332
4" Square, Extension Ring, Welded, Metallic. Depth: 1-1/2". Side Knockouts: (8) 1/2" & (4) 3/4". Cubic Inches: 21.0". Combo Extension-Thru-Ring. Top has (2) 8-32 Screws & Bottom ha...
$5.50 EA
Usually ships in 2-4 days
Co Wide: 2699
in Cart
Item # 0609318
4" Square, Extension Ring, Drawn, Metallic. Depth: 1-1/2". Side Knockouts: (8) 3/4". Cubic Inches: 21.0". Combo Extension-Thru-Ring. Top has (2) 8-32 Screws & Bottom has (2) Slide ...
Item # 0165830
4 Inch Square Extension Ring, 2-1/8 Inch Deep, Welded, Metallic, Side Knockouts: (6) 1/2 Inch and (6) 3/4 Inch, Cubic Inches: 30.3
Item # 0078890
4" Square, Extension Ring, Drawn, Metallic. Depth: 1-1/2". Side Knockouts: (12) 1/2". Cubic Inches: 21.0". Combo Extension-Thru-Ring. Top has (2) 8-32 Screws & Bottom has (2) Slide...
Item # 0052142
4" Square, Extension Ring, Drawn, Metallic. Depth: 1-1/2". Side Knockouts: (8) 3/4". Cubic Inches: 22.5".
$15.95 EA
Usually ships in 2-4 days
Co Wide: 31
in Cart
Call for Price
Usually ships in 2-4 days
Co Wide: 139
in Cart
Item # 0811321
4" Square, Extension Stand-Off Bracket, Metallic, Supports 4" Square Box, For Installation on All Types of Raceway
$1.56 EA
Usually ships in 2-4 days
Co Wide: 43
in Cart
Item # 0052149
4 Inch Square Extension Ring, 1-1/2 Inch Deep, Thru-the-Wall, Drawn, Metallic, Side Knockouts: (8) 1/2 Inch and (4) 3/4 Inch, Cubic Inches: 22.5
4 Inch Square Extension Ring, 1-1/2 Inch Deep, Welded, Metallic, Side Knockouts: (12) 1/2 and 3/4 Inch, Cubic Inches: 21.0
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Co Wide: 0
in Cart
Item # 0093886
4" Square, Extension Sleeve Extender, Metallic, Assembly, (2) #8 Screws
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Co Wide: 0
in Cart
Item # 0057662
4 Inch Square Extension Ring, 2-1/8 Inch Deep, Welded, Steel, Pre-Galvanized, Side Knockouts: (8) 1 Inch, Cubic Inches: 30.3
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