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1-1/2" Deep with Conduit Knockouts 1-1/2" Deep with Conduit Knockouts
Application:
These 4” square boxes with conduit knockouts are installed in walls or ceilings for lighting fixtures, switches, receptacles or other outlet devices. Square boxes are used to bring power to a number of electrical devices where multiple conductor runs are split in two or more directions.
Advantages::
Garvin Industries’ 4S Boxes can be surface or flush mounted when multidirectional conduit runs are necessary. Red painted boxes are also available to easily distinguish fire alarm circuits. Some of these boxes include a raised ground provision.
Field Names::
4S Box, 1900 box, 1900 electrical box, 1900 junction box, conduit box, J-box, concentric box, conduit junction box, outlet box, drywall mud box, standard 1900 box, square conduit box, 4” square box, 4” square junction box, 4” square outlet box, standard 1900 box, 1900 plenum box, standard 1900 plenum box, vapor tight box, fire alarm box.

Click on links below to view more details about the products. 18 Styles Available Below
Image Item Description Product Specifications
1-1/2" Deep,  4" Square Welded Junction Box with (12) 1/2" Side Knockouts and (4) 1/2" Bottom Knockouts Item #: 52151-1/2
1-1/2" Deep, 4" Square Welded Junction Box with (12) 1/2" Side Knockouts and (4) 1/2" Bottom Knockouts
1-1/2" deep, 4" square welded junction boxes with (12) 1/2" side knockouts and (4) 1/2" bottom knockouts are installed in walls or ceilings for light (more....)

QTY:  
Our Price:  
$ 0.89

 
 
1-1/2" Deep, 4" Square Drawn Junction Box with (12) 1/2" Side Knockouts and (4) 1/2" Bottom Knockouts Item #: 52151-1/2DR
1-1/2" Deep, 4" Square Drawn Junction Box with (12) 1/2" Side Knockouts and (4) 1/2" Bottom Knockouts
1-1/2" deep, 4" square drawn junction boxes with (12) 1/2" side knockouts and (4) 1/2" bottom knockouts are installed in walls or ceilings for lightin (more....)

QTY:  
Our Price:  
$ 1.19

 
 
1-1/2" Deep,  4" Square Welded Junction Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-3/4
1-1/2" Deep, 4" Square Welded Junction Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square welded junction boxes with (8) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ceilings (more....)

QTY:  
Our Price:  
$ 0.99

 
 
1-1/2" Deep, 4" Square Drawn Junction Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-3/4DR
1-1/2" Deep, 4" Square Drawn Junction Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square drawn junction boxes with (8) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ceilings f (more....)

QTY:  
Our Price:  
$ 1.19

 
 
1-1/2" Deep, 4" Square Drawn Junction Box with Chicago Plenum (8) 3/4" Side and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-3/4-VT
1-1/2" Deep, 4" Square Drawn Junction Box with Chicago Plenum (8) 3/4" Side and (2) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square drawn junction boxes with Chicago plenum (8) 3/4" side and (2) 1/2" & (2) 3/4" bottom knockouts that are "air tight" for 3/4" c (more....)

QTY:  
Our Price:  
$ 4.99

 
 
Red 1-1/2" Deep, 4" Square Welded Junction Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (2) 1/2" & (2) 1/2"-3/4" Bottom Knockouts Item #: 52151-RED
Red 1-1/2" Deep, 4" Square Welded Junction Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (2) 1/2" & (2) 1/2"-3/4" Bottom Knockouts
Red 1-1/2" deep, 4" square welded junction boxes with (6) 1/2" & (6) 1/2"-3/4" side knockouts and (2) 1/2" & (2) 1/2"-3/4" bottom knockouts are insta (more....)

QTY:  
Our Price:  
$ 2.99

 
 
1-1/2" Deep, 4" Square Welded Junction Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-S
1-1/2" Deep, 4" Square Welded Junction Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square welded junction boxes with (6) 1/2" & (6) 1/2"-3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in w (more....)

QTY:  
Our Price:  
$ 0.89

 
 
Blank, 1-1/2" Deep, 4" Square Drawn Junction Box Item #: 52151-BLNK
Blank, 1-1/2" Deep, 4" Square Drawn Junction Box
Blank, 1-1/2" deep, 4" square drawn junction boxes are installed in walls or ceilings for lighting fixtures, switches, receptacles or other outlet dev (more....)

QTY:  
Our Price:  
$ 3.99

 
 
1-1/2" Deep, 4" Square Welded Junction Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-SRC
1-1/2" Deep, 4" Square Welded Junction Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square welded junction boxes with (6) 1/2" & (6) 1/2"-3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts installed in walls (more....)

QTY:  
Our Price:  
$ 2.29

 
 
1-1/2" Deep, 4" Square Drawn Junction Box with (8) 1/2" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-SVTRC
1-1/2" Deep, 4" Square Drawn Junction Box with (8) 1/2" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square drawn junction boxes with (8) 1/2" & (4) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts installed in walls or ce (more....)

QTY:  
Our Price:  
$ 3.69

 
 
1-1/2" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and an Open Back with Mounting Tabs and 8-32 Screws On Both Sides of Box Item #: 52151-SDA
1-1/2" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and an Open Back with Mounting Tabs and 8-32 Screws On Both Sides of Box
1-1/2" deep, 4" square drawn boxes with (6) 1/2" & (6) 1/2"-3/4" side knockouts and open back with mounting tabs and 8-32 screws are installed in wall (more....)

QTY:  
Our Price:  
$ 2.29

 
 
Chicago Plenum 1-1/2" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and an Open Back with Mounting Tabs and 8-32 Screws on Both Sides of Box Item #: 52151-SVTDA
Chicago Plenum 1-1/2" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and an Open Back with Mounting Tabs and 8-32 Screws on Both Sides of Box
Chicago plenum 1-1/2" deep, 4" square welded boxes with (6) 1/2" & (6) 1/2"-3/4" side knockouts and open back with mounting tabs and 8-32 screws on bo (more....)

QTY:  
Our Price:  
$ 4.39

 
 
1-1/2" Deep, 4" Square Drawn Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-SDR
1-1/2" Deep, 4" Square Drawn Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square drawn boxes with (6) 1/2" & (6) 1/2"-3/4" side knockouts and (3) 1/2" & (2) 3/4" bottom knockouts are installed in walls or cei (more....)

QTY:  
Our Price:  
$ 1.39

 
 
1-1/2" Deep, 4" Square Welded Box with (8) 1/2" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-SOS
1-1/2" Deep, 4" Square Welded Box with (8) 1/2" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square welded boxes with (8) 1/2" & (4) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ceiling (more....)

QTY:  
Our Price:  
$ 1.49

 
 
1-1/2" Deep, 4" Square Welded Box with (6) 1/2" & (6) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-SPT
1-1/2" Deep, 4" Square Welded Box with (6) 1/2" & (6) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square welded boxes with (6) 1/2" & (6) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ceiling (more....)

QTY:  
Our Price:  
$ 1.69

 
 
1-1/2" Deep, 4" Square Drawn Box with Chicago Plenum (8) 1/2" & (4) 3/4" Side and (3) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-SVT
1-1/2" Deep, 4" Square Drawn Box with Chicago Plenum (8) 1/2" & (4) 3/4" Side and (3) 1/2" & (2) 3/4" Bottom Knockouts
1-1/2" deep, 4" square drawn boxes with Chicago plenum (8) 1/2" & (4) 3/4" side and (3) 1/2" & (2) 3/4" bottom knockouts are used in all plenum air sp (more....)

QTY:  
Our Price:  
$ 2.99

 
 
Red, 1-1/2" Deep, 4" Square Box with Chicago Plenum (8) 1/2" & (4) 3/4" Side and (3) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-SVTRED
Red, 1-1/2" Deep, 4" Square Box with Chicago Plenum (8) 1/2" & (4) 3/4" Side and (3) 1/2" & (2) 3/4" Bottom Knockouts
Red, 1-1/2" deep, 4" square drawn boxes with Chicago plenum (8) 1/2" & (4) 3/4" side and (3) 1/2" & (2) 3/4" bottom knockouts are used in all plenum a (more....)

QTY:  
Our Price:  
$ 3.49

 
 
Stainless Steel, 1-1/2" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side and (3) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52151-SVTSS
Stainless Steel, 1-1/2" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side and (3) 1/2" & (2) 3/4" Bottom Knockouts
Stainless steel, 1-1/2" deep, 4" square drawn boxes with water tight (8) 1/2" & (4) 3/4" side and (3) 1/2" & (2) 3/4" bottom knockouts are used in was (more....)

QTY:  
Our Price:  
$ 24.99

 
 
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