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Steel Boxes, Covers, & Accessories
4" Square Boxes and Extensions (104)
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Box Depth
1-1/2" (37)
1-1/4" (2)
1/2" (1)
2-1/8" (39)
3-1/2" (13)
3/4" (1)
4" (5)
Sloped (1)
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Brackets
AB - Vertical Right Angle (7)
B - Horizontal Wood Spike (3)
External Tabs (1)
F - Flat Vertical (10)
MS - Metal Stud (6)
Old Work Clips (7)
W - Vertical Offset (1)
WB - Vertical Wood Spike (8)
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Certifications
ROHS (84)
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Color
Silver (99)
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Cubic Capacity
17.5 (286.8) (2)
21.0 (344.1) (41)
30.3 (496.5) (38)
50.0 (819.4) (13)
56.0 (917.7) (5)
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Knockouts
(12) 1/2 in. Side Knockouts (2)
(12) 1/2 in. Side Knockouts, (4) 1/2 in. Bottom Knockouts (2)
(12) 1/2 in. Side Knockouts; (4) 1/2 in. Bottom Knockouts (2)
(12) 1/2 in. Side Knockouts; (5) 1/2 in. Bottom Knockouts (1)
(2) 1/2 in and (1) 1/2-3/4 in. Knockout, (4) BX/MC Clamps, (1) 1/2 in. Bottom Knockout (1)
(2) 1/2 in. (1) 1/2-3/4 in. Side Knockouts and (4) MC/BX Clamps; (1) 1/2 in. Bottom Knockout (1)
(2) 1/2 in. and (1) 1/2-3/4 in. Knockout, (4) NM Clamps, (1) 1/2 in. Bottom Knockout (1)
(2) 1/2 in. and (1) 1/2-3/4 in. Side Knockout, (4) BX/MC Clamps, (1) 1/2 in. Bottom Knockout (1)
(2) 1/2 in. and (1) 1/2-3/4 in. Side Knockout, (4) NM Clamps, (1) 1/2 in. Bottom Knockout (1)
(2) 1/2 in. and (1) 1/2-3/4 in. Side Knockouts and (4) MC/BX Clamps; (1) 1/2 in. Bottom Knockout (1)
(2) 1/2 in. and (1) 1/2-3/4 in. Side Knockouts and (4) NM Clamps; (1) 1/2 in. Bottom Knockout (1)
(2) 1/2 in. and (1) 1/2-3/4 in. Side Knockouts, (4) BX/MC Clamps, (1) 1/2 in. Bottom Knockout (1)
(2) 1/2 in. and (1) 1/2-3/4 in. Side Knockouts, (4) NM Clamps, (1) 1/2 in. Bottom Knockou (1)
(2) 1/2 in. and (1) 1/2-3/4 in. Side Knockouts, (4) NM Clamps, (1) 1/2 in. Bottom Knockout (1)
(3) 1/2 in. Knockouts and (4) MC/BX Clamps, (1) 1/2 in. Bottom Knockout (1)
(3) 1/2 in. Knockouts; (4) NM Clamps; (1) 1/2 in. Bottom Knockout (1)
(3) 1/2 in. Side Knockouts and (4) BX/MC Clamps, (1) 1/2 in. Bottom Knockout (1)
(3) 1/2 in. Side Knockouts and (4) MC/BX Clamps, (1) 1/2 in. Bottom Knockouts (1)
(3) 1/2 in. Side Knockouts and (4) NM Clamps; (1) 1/2 in. Bottom Knockout (1)
(4) 1 in. and (4) 3/4 in. Side Knockouts; (2) 1/2 in. and (2) 3/4 in. Bottom Knockouts (1)
(4) 1/2 in. and (4) 3/4 in. Knockouts (1)
(4) 1/2 in. and (5) 1/2-3/4 in. Side Knockouts, (3) 1/2 and (2) 1/2-3/4 in. Bottom Knockouts (1)
(4) 1/2-3/4 in., (2) 3/4 in and (2) 1 in. Side Knockouts; (2) 1/2 and (2) 3/4 in. Bottom Knockouts (1)
(6) 1/2 in and (3) 1/2-3/4 in. Knockouts, (3) 1/2 in and (2) 1/2-3/4 in. Bottom Knockouts (1)
(6) 1/2 in and (6) 1/2-3/4 in. Side Knockouts; (2) 1/2 and (2) 3/4 in. Bottom Knockouts (1)
(6) 1/2 in. Knockouts; (6) 1/2-3/4 in. Knockouts (1)
(6) 1/2 in. Side Knockouts and (4) BX/MC Clamps, (1) 1/2 in. Bottom Knockout (2)
(6) 1/2 in. Side Knockouts and (4) MC/BX Clamps; (1) 1/2 in. Bottom Knockout (2)
(6) 1/2 in. Side Knockouts and (4) NM Clamps; (1) 1/2 in. Bottom Knockout (2)
(6) 1/2 in. Side Knockouts and (4) NM Clamps; (1) 1/2 in. Bottom Knockouts (1)
(6) 1/2 in. Side Knockouts, and (4) NM Clamps, (1) 1/2 in. Bottom Knockout (1)
(6) 1/2 in. adn (6) 1/2-3/4 in. Side Knockouts (1)
(6) 1/2 in. and (3) 1/2-3/4 in. Knockouts, (3) 1/2 in and (2) 1/2-3/4 in. Bottom Knockouts (1)
(6) 1/2 in. and (3) 1/2-3/4 in. Knockouts, (3) 1/2 in. and (2) 1/2-3/4 in. Bottom Knockouts (1)
(6) 1/2 in. and (3) 1/2-3/4 in. Side Knockouts, (3) 1/2 in. and (2) 1/2-3/4 in. Bottom Knockouts (2)
(6) 1/2 in. and (3) 1/2-3/4 in. Side Knockouts, (3) 1/2 in. and (2) 3/4 in. Bottom Knockouts (1)
(6) 1/2 in. and (6) 1/2 and 3/4 in Knockouts (1)
(6) 1/2 in. and (6) 1/2-3/4 in. Side Knockouts, (2) 1/2 in. and (2) 3/4 in. Bottom Knockouts (1)
(6) 1/2 in. and (6) 1/2-3/4 in. Side Knockouts; (2) 1/2 in. and (2) 3/4 in. Bottom Knockouts (4)
(6) 3/4 in. Side Knockouts, (2) 1/2 in. and (2) 3/4 in. Bottom Knockouts (1)
(6) 3/4 in. Side Knockouts, (3) 1/2 in. and (2) 3/4 in. Bottom Knockouts (1)
(8) 1 in Side Knockouts; (2) 1/2 and (2) 3/4 in. Bottom Knockouts (1)
(8) 1 in. Side Knockouts (2)
(8) 1 in. Side Knockouts; (2) 1/2 in. and (2) 3/4 in. Bottom Knockouts (3)
(8) 3/4 in. Side Knockouts (4)
(8) 3/4 in. Side Knockouts; (2) 1/2 and (2) 3/4 in. Bottom Knockouts (2)
(8) 3/4 in. Side Knockouts; (3) 1/2 in. and (2) 3/4 in. Bottom Knockouts (2)
Blank; No Knockouts (3)
No Knockouts, Blank (2)
Side: (6) 1/2 and (6) 1/2 and 3/4 in.; Bottom: (3) 1/2 in. and (2) 3/4 in. (3)
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Material
0.0625 Galvanized Steel (1)
304 Stainless Steel (2)
316 Stainless Steel (2)
Galvanized Steel (97)
Zinc Plated Steel (1)
Zinc Plated Steel; Painted Red (1)
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Size
4" (1)
Fits 1/2 in. or 3/4 in. Conduit (1)
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4" Square Extension Ring, 1-1/2" Deep - Drawn, No Knockouts
SKU: 53151-BLNK
Model: 53151-BLNK
$23.93
SKU: 53151-BLNK
Model: 53151-BLNK
$23.93
4" Square Extension Ring, 2-1/8" Deep - Drawn, W/Conduit KO's
SKU: 53171-1
Model: 53171-1
$27.59
SKU: 53171-1
Model: 53171-1
$27.59
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Mc/Bx Clamps
SKU: 52151-ABBX
Model: 52151-ABBX
$13.17
SKU: 52151-ABBX
Model: 52151-ABBX
$13.17
4" Square Old Work Cut-In Box, 2-1/8" Deep - Welded, W/Mc/Bx Clamps
SKU: 52171-OWBX
Model: 52171-OWBX
$18.63
SKU: 52171-OWBX
Model: 52171-OWBX
$18.63
4" SQUARE BOXES, 3-1/2" DEEP - WELDED W/CONDUIT KO'S
SKU: 52181-3/4-1
Model: 52181-3/4-1
$18.22
SKU: 52181-3/4-1
Model: 52181-3/4-1
$18.22
4" Square Concrete Slab Box, 3-1/2" Deep - Welded, No Knockouts
SKU: 52181-BLNK
Model: 52181-BLNK
$32.42
SKU: 52181-BLNK
Model: 52181-BLNK
$32.42
4" Square Extension Ring, 1-1/2" Deep - Welded, W/Conduit KO's
SKU: 53151-S
Model: 53151-S
$3.75
SKU: 53151-S
Model: 53151-S
$3.75
4" Square Box, 4" Deep - Welded, W/Conduit KO's
SKU: 52191-1
Model: 52191-1
$27.14
SKU: 52191-1
Model: 52191-1
$27.14
4" Square Bracketed Box, 2-1/8" Deep - Welded, W/Conduit KO's
SKU: 52171-SXT
Model: 52171-SXT
$12.69
SKU: 52171-SXT
Model: 52171-SXT
$12.69
4" Square Bracketed Box, 2-1/8" Deep - Welded, W/Romex Clamps
SKU: 52171-MSR
Model: 52171-MSR
$9.67
SKU: 52171-MSR
Model: 52171-MSR
$9.67
4" Square Old Work Cut-In Box, 1-1/2" Deep - Welded, W/Mc/Bx Clamps
SKU: 52151-OWBX
Model: 52151-OWBX
$13.55
SKU: 52151-OWBX
Model: 52151-OWBX
$13.55
4" Square Box, 1-1/2" Deep - Drawn, W/Conduit KO's
SKU: 52151-3/4DR
Model: 52151-3/4DR
$3.88
SKU: 52151-3/4DR
Model: 52151-3/4DR
$3.88
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Mc/Bx Clamps
SKU: 52151-FBX
Model: 52151-FBX
$8.30
SKU: 52151-FBX
Model: 52151-FBX
$8.30
4" Square Box, 2-1/8" Deep - Welded, W/Conduit KO's And Pigtail
SKU: 52171-SPT
Model: 52171-SPT
$9.29
SKU: 52171-SPT
Model: 52171-SPT
$9.29
4" Square Box, 2-1/8" Deep - Welded, w/Conduit KO's
SKU: 52171-S
Model: 52171-S
$3.45
SKU: 52171-S
Model: 52171-S
$3.45
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Romex Clamps
SKU: 52151-WBR
Model: 52151-WBR
$8.51
SKU: 52151-WBR
Model: 52151-WBR
$8.51
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Conduit KO's
SKU: 52151-WB
Model: 52151-WB
$5.38
SKU: 52151-WB
Model: 52151-WB
$5.38
4" Square Old Work Cut-In Box, 2-1/8" Deep - Welded, W/Romex Clamps
SKU: 52171-OWR
Model: 52171-OWR
$18.63
SKU: 52171-OWR
Model: 52171-OWR
$18.63
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Mc/Bx Clamps
SKU: 52151-BBX
Model: 52151-BBX
$7.56
SKU: 52151-BBX
Model: 52151-BBX
$7.56
4" SQUARE BOXES, 4" DEEP - WELDED W/CONDUIT KO'S
SKU: 52191-S
Model: 52191-S
$25.92
SKU: 52191-S
Model: 52191-S
$25.92
4" Square Box, 1-1/2" Deep - Drawn, W/Conduit KO's
SKU: 52151-SDR
Model: 52151-SDR
$3.48
SKU: 52151-SDR
Model: 52151-SDR
$3.48
4" Square Box, 1-1/4" Deep - Drawn, No Knockouts - Stainless Steel
SKU: 52151-BLNKSS
Model: 52151-BLNKSS
$110.78
SKU: 52151-BLNKSS
Model: 52151-BLNKSS
$110.78
4" Square Box, 2-1/8" Deep - Welded, W/Conduit KO's
SKU: 52171-3/4-1
Model: 52171-3/4-1
$7.47
SKU: 52171-3/4-1
Model: 52171-3/4-1
$7.47
4" Square Box, 2-1/8" Deep - Welded, W/Romex Clamps
SKU: 52171-R
Model: 52171-R
$11.70
SKU: 52171-R
Model: 52171-R
$11.70
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