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Electrical Junction Boxes > 4" Square Junction Boxes > 2-1/8" Deep with Conduit Knockouts
2-1/8" Deep with Conduit Knockouts 2-1/8" 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 surfaceor flush mounted when multidirectional conduit runs are necessary. Red painted boxes are also available to easily distinguish fire alarm circuits.
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, plenum box, deep plenum box, 1900 plenum box, Chicago plenum box, 1900 plenum deep, conduit J box, conduit outlet box, deep 1900 box, deep 4S box, deep plenum box, 3/4” plenum box, Chicago plenum junction box, 1900 deep box, 1900 deep plenum box, 1900 deep fire alarm box, 1900 deep combo box.

Click on links below to view more details about the products.
Image Item Description Product Specifications
2-1/8" Deep, 4" Square Welded Box with (12) 1/2" Side Knockouts and (4) 1/2" Bottom Knockouts Item #: 52171-1/2
2-1/8" Deep, 4" Square Welded Box with (12) 1/2" Side Knockouts and (4) 1/2" Bottom Knockouts
2-1/8" deep, 4" square welded boxes with (12) 1/2" side knockouts and (4) 1/2" bottom knockouts are installed in walls or ceilings for lighting fixtur (more....)

QTY:  
Our Price:  
$ 1.59
2-1/8" Deep, 4" Square Drawn Box with (12) 1/2" Side Knockouts and (4) 1/2" Bottom Knockouts Item #: 52171-1/2DR
2-1/8" Deep, 4" Square Drawn Box with (12) 1/2" Side Knockouts and (4) 1/2" Bottom Knockouts
2-1/8" deep, 4" Square Drawn Box with (12) 1/2" side knockouts and (4) 1/2" bottom knockouts are installed in walls or ceilings for lighting fixtures, (more....)

QTY:  
Our Price:  
$ 1.99
2-1/8" Deep, 4" Square Welded Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-3/4
2-1/8" Deep, 4" Square Welded Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" deep, 4" square welded boxes with (8) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ceilings for light (more....)

QTY:  
Our Price:  
$ 1.49
2-1/8" Deep, 4" Square Drawn Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-3/4DR
2-1/8" Deep, 4" Square Drawn Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" deep, 4" square drawn boxes with (8) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ceilings for lighti (more....)

QTY:  
Our Price:  
$ 1.99
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (8) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-3/4-VT
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (8) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts
Chicago plenum, 2-1/8" deep, 4" square drawn boxes with air tight (8) 3/4" side knockouts and (3) 1/2" & (2) 3/4" bottom knockouts are installed in ai (more....)

QTY:  
Our Price:  
$ 4.49
2-1/8" Deep, 4" Square Welded Box with (8) 1” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-1
2-1/8" Deep, 4" Square Welded Box with (8) 1” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" deep, 4" square welded boxes with (8) 1” side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ceilings for lightin (more....)

QTY:  
Our Price:  
$ 2.99
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with air tight (8) 1” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-1-VT
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with air tight (8) 1” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
Chicago plenum, 2-1/8" deep, 4" square drawn boxes with air tight (8) 1” side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in air (more....)

QTY:  
Our Price:  
$ 3.99
Red, 2-1/8" Deep, 4" Square Welded Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-3/4RED
Red, 2-1/8" Deep, 4" Square Welded Box with (8) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
Red, 2-1/8" deep, 4" square welded boxes with (8) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ceilings for (more....)

QTY:  
Our Price:  
$ 2.99
2-1/8" Deep, 4" Square Welded Box with (4) 1" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-3/4-1
2-1/8" Deep, 4" Square Welded Box with (4) 1" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" deep, 4" square welded boxes with air tight (4) 1" & (4) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or (more....)

QTY:  
Our Price:  
$ 3.29
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (4) 1" & (4) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-3/4-1VT
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (4) 1" & (4) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts
Chicago Plenum, 2-1/8" deep, 4" square drawn boxes with air tight (4) 1" & (4) 3/4" side knockouts and (3) 1/2" & (2) 3/4" bottom knockouts are instal (more....)

QTY:  
Our Price:  
$ 3.99
2-1/8" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-S
2-1/8" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" deep, 4" square welded boxes with (6) 1/2" & (6) 1/2"-3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts are installed in walls or ce (more....)

QTY:  
Our Price:  
$ 1.49
2-1/8" Deep, 4" Square Welded Box with (8) 1/2" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-SOS
2-1/8" Deep, 4" Square Welded Box with (8) 1/2" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" 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
2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and Blank Bottom Knockouts Item #: 52171-SBB
2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and Blank Bottom Knockouts
2-1/8" deep, 4" square drawn boxes with (8) 1/2" & (4) 3/4" side knockouts and blank bottom knockouts are surface mounted on walls or ceilings for li (more....)

QTY:  
Our Price:  
$ 3.99
2-1/8" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2 & 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-SPT
2-1/8" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2 & 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" deep, 4" square welded boxes with (6) 1/2" & (6) 1/2 & 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or (more....)

QTY:  
Our Price:  
$ 3.59
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-SVT
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts
Chicago plenum, 2-1/8" deep, 4" square drawn boxes with air tight (8) 1/2" & (4) 3/4" side knockouts and (3) 1/2" & (2) 3/4" bottom knockouts are inst (more....)

QTY:  
Our Price:  
$ 3.69
Red, Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-SVTRED
Red, Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts
Red, Chicago plenum, 2-1/8" deep, 4" square drawn boxes with (8) 1/2" & (4) 3/4" side knockouts and (3) 1/2" & (2) 3/4" bottom knockouts are installed (more....)

QTY:  
Our Price:  
$ 4.59
Stainless Steel, 2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-SVTSS
Stainless Steel, 2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and (3) 1/2" & (2) 3/4" Bottom Knockouts
Stainless steel, 2-1/8" deep, 4" square drawn boxes with air tight (8) 1/2" & (4) 3/4" side knockouts and (3) 1/2" & (2) 3/4" bottom knockouts are use (more....)

QTY:  
Our Price:  
$ 19.99
2-1/8" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2-3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-SRC
2-1/8" Deep, 4" Square Welded Box with (6) 1/2" & (6) 1/2-3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" deep, 4" square welded boxes with (6) 1/2" & (6) 1/2-3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or cei (more....)

QTY:  
Our Price:  
$ 2.49
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-SVTRC
Chicago Plenum, 2-1/8" Deep, 4" Square Drawn Box with (8) 1/2" & (4) 3/4" Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
Chicago plenum, 2-1/8" deep, 4" square drawn boxes with (8) 1/2" & (4) 3/4" side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in a (more....)

QTY:  
Our Price:  
$ 3.99
2-1/8" Deep, 4" Square Welded Box with (6) 1/2” & (6) 1/2”-3/4” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-RED
2-1/8" Deep, 4" Square Welded Box with (6) 1/2” & (6) 1/2”-3/4” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" Deep, 4" square welded boxes with (6) 1/2” & (6) 1/2”-3/4” side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ce (more....)

QTY:  
Our Price:  
$ 2.59
2-1/8" Deep, 4" Square Welded, Open Box with Mounting Tabs and 8-32 Screws Item #: 52171-SDA
2-1/8" Deep, 4" Square Welded, Open Box with Mounting Tabs and 8-32 Screws
2-1/8" deep, 4" welded drawn, open boxes with mounting tabs and 8-32 screws are installed in walls or ceilings for lighting fixtures, switches, recept (more....)

QTY:  
Our Price:  
$ 2.29
2-1/8" Deep, 4" Square Drawn Box with (6) 1/2” & (6) 1/2”-3/4” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-SDR
2-1/8" Deep, 4" Square Drawn Box with (6) 1/2” & (6) 1/2”-3/4” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" deep, 4" square drawn boxes with (6) 1/2” & (6) 1/2”-3/4” side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or cei (more....)

QTY:  
Our Price:  
$ 1.99
2-1/8" Deep, 4" Square Drawn Box with (8) 1” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts Item #: 52171-1DR
2-1/8" Deep, 4" Square Drawn Box with (8) 1” Side Knockouts and (2) 1/2" & (2) 3/4" Bottom Knockouts
2-1/8" deep, 4" square brawn boxes with (8) 1” side knockouts and (2) 1/2" & (2) 3/4" bottom knockouts are installed in walls or ceilings for lighting (more....)

QTY:  
Our Price:  
$ 2.59
Blank, 2-1/8" Deep, 4" Square Box Item #: 52171-BLNK
Blank, 2-1/8" Deep, 4" Square Box
Blank, 2-1/8" deep, 4" square boxes are tamper and vandal proof boxes they are less all holes and knockouts. Garvin Industries can customize a solutio (more....)

QTY:  
Our Price:  
$ 3.99



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