Square Boxes and Extensions
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Square Boxes and Extensions

  • 4 Inch Square 3-1/2 Inch Extra Deep Junction Box Flat Vertical Bracket Side Knockouts 52181-FS (pack of 30)
    $188.71
    $188.71
  • 4 Inch Square Junction Box Drawn 2-1/8 Inch Deep With 1/2 Inch And 3/4 Inch Knockouts Plenum 52171-SVTSS (pack of 3)
  • 4 Inch Square 3-1/2 Inch Extra Deep Blank Junction Box No Knockouts 52181-BLNK (pack of 20)
    $237.90
    $237.90
  • 4 Inch Square Blank Junction Box 4 Inch Deep No Knockouts 52191-BLNK (pack of 10)
    $139.88
    $139.88
  • 4 Inch Square Blank Extension Ring 1-1/2 Inch Deep No Knockouts 53151-BLNK (Pack of 50)
    $212.55
    $212.55
  • 4 Inch Square Extension Ring 1-1/2 Inch Deep Drawn 53141-1/2 (Pack of 100)
    $257.40
    $257.40
  • 4 Inch Square Extension Ring 1-1/2 Inch Deep Welded 53151-1/2 (Pack of 100)
    $236.60
    $236.60
  • 4 Inch Square Extension Ring Welded 1-1/2 Inch Deep 53151-3/4 (Pack of 100)
    $183.30
    $183.30
  • 4 Inch Square Extension Ring Welded 1-1/2 Inch Deep With Knockouts 53151-S (Pack of 60)
    $133.38
    $133.38
  • 4 Inch Square Blank Extension Ring 2-1/8 Inch Deep No Knockouts 53171-BLNK (Pack of 25)
    $130.32
    $130.32
  • 4 Inch Square Extension Ring 2-1/8 Inch Deep Drawn With Knockouts 53171-1 (Pack of 25)
    $132.60
    $132.60
  • 4 Inch Square Extension Ring 2-1/8 Inch Deep Drawn With Knockouts 53171-3/4 (Pack of 50)
    $184.60
    $184.60
  • 4 Inch Square Extension Ring Welded 2-1/8 Inch Deep With Knockouts 53171-S (Pack of 50)
    $172.63
    $172.63
  • 4 Inch Square Box Extender 1/2 Inch Raised to Finish Surface BEX-450 (Pack of 50)
    $197.54
    $197.54
  • 4 Inch Square Extension Adapter Ring Welded 1-1/2 Inch Deep With Knockouts 53151-SUB (Pack of 60)
    $140.85
    $140.85
  • 4 Inch Square Extension Adapter Ring Welded 2-1/8 Inch Deep With Knockouts 53171-SUB (Pack of 50)
    $207.47
    $207.47

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