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Bolted Framing, Strut Fittings & Clamps
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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 and (2) 3/4 in. Bottom Knockouts (1)
(8) 1 in. Side Knockouts; (2) 1/2 in. and (2) 3/4 in. Bottom Knockouts (3)
(8) 1/2 in and (4) 1/2-3/4 in. Side Knockouts; (3) 1/2 in and (2) 1/2-3/4 in. bottom knockouts (1)
(8) 1/2 in. Side Knockouts (1)
(8) 1/2 in. and (4) 3/4 in. Side Knockouts (1)
(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; (2) 1/2 in. and (2) 3/4 in. Bottom Knockout (1)
(8) 3/4 in. Side Knockouts; (2) 1/2 in. and (2) 3/4 in. Bottom Knockouts (1)
(8) 3/4 in. Side Knockouts; (3) 1/2 in. and (2) 3/4 in. Bottom Knockouts (2)
(9) 1/2 in. Side Knockouts, (2) 1/2 and (2) 3/4 in. Bottom Knockouts (1)
(9) 1/2 in. Side Knockouts, (3) 1/2 and (2) 3/4 in. Bottom Knockouts (1)
(9) 1/2 in. Side Knockouts, (3) 1/2 in. and (2) 1/2-3/4 in. Bottom Knockouts (1)
(9) 1/2 in. Side Knockouts, (5) 1/2 in. Bottom Knockouts (1)
(9) 1/2 in. Side Knockouts; (3) 1/2 in. and (2) 1/2 & 3/4 in. Bottom Knockouts (1)
(9) 1/2 in. Side Knockouts; (5) 1/2 in. Bottom Knockouts (1)
Blank Side and Bottom (1)
Blank Sides and Bottom (1)
Blank; No Knockouts (3)
No Knockouts, Blank (2)
No Knockouts, Blank Sides (1)
Side Knockouts: (2) 1/2 in. and (1) 1/2-3/4 in. Knockout; (4) MC/BX Clamps; (1) 1/2 in. Bottom Knockout (1)
Side Knockouts: (4) 1/2 in and (5) 1/2-3/4 in.; Bottom Knockouts: (3) 1/2 in. and (2) 1/2-3/4 in. (1)
Side Knockouts: (6) 1/2 in. and (6) 1/2 & 3/4 in. (1)
Side: (4) 1/2 and (2) 3/4 in.; Bottom: (3) 1/2 in. and (2) 3/4 in. (1)
Side: (4) 1/2 and 3/4 in, (2) 3/4 in. and (2) 1 in.; Bottom: (2) 1/2 in. and (2) 3/4 in. (1)
Side: (4) 1/2 in and (5) 1/2-3/4 in.; Bottom (3) 1/2 in and (2) 3/4 in. (1)
Side: (4) 1/2-3/4 in (2) 3/4 in. and (2) 1 in.; Bottom (2) 1/2 in. and (2) 3/4 in. (1)
Side: (5) 1/2 in and (5) 1-2/-3/4 in.; Bottom: (2) 1/2 in and (2) 3/4 in. (1)
Side: (6) 1/2 and (6) 1/2 & 3/4 in. (1)
Side: (6) 1/2 and (6) 1/2 and 3/4 in.; Bottom: (3) 1/2 in. and (2) 3/4 in. (3)
Side: (8) 1/2 in. and (4) 1/2 and 3/4 in.; Bottom: (2) 1/2 in. and (2) 3/4 in. (1)
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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 - Welded, W/Conduit KO's
SKU: 53151-S
Model: 53151-S
$3.75
SKU: 53151-S
Model: 53151-S
$3.75
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 Box, 1-1/2" Deep - Welded, W/Conduit KO's
SKU: 52151-1/2
Model: 52151-1/2
$4.18
SKU: 52151-1/2
Model: 52151-1/2
$4.18
4" Square Extension/Adapter Ring, 2-1/8" Deep - Welded, W/Conduit KO's
SKU: 53171-SUB
Model: 53171-SUB
$22.26
SKU: 53171-SUB
Model: 53171-SUB
$22.26
4" Square Bracketed Box, 2-1/8" Deep - Welded, W/Conduit KO's
SKU: 52171-F
Model: 52171-F
$7.47
SKU: 52171-F
Model: 52171-F
$7.47
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Romex Clamps
SKU: 52151-BR
Model: 52151-BR
$8.51
SKU: 52151-BR
Model: 52151-BR
$8.51
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 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 Bracketed Box, 1-1/2" Deep - Welded, W/Conduit KO's
SKU: 52151-3/4F
Model: 52151-3/4F
$7.56
SKU: 52151-3/4F
Model: 52151-3/4F
$7.56
4" Square Bracketed Box, 2-1/8" Deep - Welded, W/Conduit KO's
SKU: 52171-3/4AB
Model: 52171-3/4AB
$10.15
SKU: 52171-3/4AB
Model: 52171-3/4AB
$10.15
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Mc/Bx Clamps
SKU: 52151-WBBX
Model: 52151-WBBX
$8.51
SKU: 52151-WBBX
Model: 52151-WBBX
$8.51
4" Square Bracketed Box, 2-1/8" Deep - Welded, W/Romex Clamps
SKU: 52171-WBR
Model: 52171-WBR
$12.38
SKU: 52171-WBR
Model: 52171-WBR
$12.38
4" Square Old Work Cut-In Box, 1-1/2" Deep - Welded, W/Romex Clamps
SKU: 52151-OWR
Model: 52151-OWR
$13.55
SKU: 52151-OWR
Model: 52151-OWR
$13.55
4" Square Bracketed Box, 2-1/8" Deep - Welded, W/Mc/Bx Clamps
SKU: 52171-ABBX
Model: 52171-ABBX
$15.11
SKU: 52171-ABBX
Model: 52171-ABBX
$15.11
4In Sq Box 3-1/2In Deep
SKU: 52181-SPKR-ZINC
Model: 52181-SPKR-ZINC
$23.95
SKU: 52181-SPKR-ZINC
Model: 52181-SPKR-ZINC
$23.95
4" SQUARE EXTENSION RINGS, 1-1/2" DEEP - WELDED W/CONDUIT KO'S
SKU: BEX-450
Model: BEX-450
$8.89
SKU: BEX-450
Model: BEX-450
$8.89
4" Square Box, 1-1/2" Deep - Welded, W/Romex Clamps
SKU: 52151-R
Model: 52151-R
$7.47
SKU: 52151-R
Model: 52151-R
$7.47
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Conduit KO's
SKU: 52151-FS
Model: 52151-FS
$4.04
SKU: 52151-FS
Model: 52151-FS
$4.04
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Romex Clamps
SKU: 52151-FR
Model: 52151-FR
$7.92
SKU: 52151-FR
Model: 52151-FR
$7.92
4" Square Bracketed Box, 1-1/2" Deep - Welded, W/Romex Clamps
SKU: 52151-MSR
Model: 52151-MSR
$12.34
SKU: 52151-MSR
Model: 52151-MSR
$12.34
4" Square Box, 2-1/8" Deep - Welded, W/Conduit KO's
SKU: 52171-3/4
Model: 52171-3/4
$4.79
SKU: 52171-3/4
Model: 52171-3/4
$4.79
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 - Drawn, W/Conduit KO's
SKU: 52171-3/4DR
Model: 52171-3/4DR
$8.56
SKU: 52171-3/4DR
Model: 52171-3/4DR
$8.56
4" Square Bracketed Box, 2-1/8" Deep - Welded, W/Conduit KO's
SKU: 52171-AB
Model: 52171-AB
$9.67
SKU: 52171-AB
Model: 52171-AB
$9.67
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