Type 3/12/4 Mild Steel Junction Boxes

Hammond Manufacturing Type 3/12/4 Mild Steel Junction Boxes are designed for use as a wiring box, terminal or pull box, and junction box in indoor and outdoor applications. These steel junction boxes comply with IEC 60529 and IP66 ratings and NEMA Type 3, 4, and 12. The C3SC series junction boxes are UL 508A listed; Type 3, 4, 12 and cULus listed per CSA C22.2 No 94; Type 3, 4, 12. These junction boxes 

Results: 25
Select Image Part # Mfr. Description Datasheet Availability Pricing (CLP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Type Material Color Length Width Height Mounting Style IP Rating NEMA Rating Flammability Rating Series
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 16X16X8 - GRA 1In Stock
$186.272
$171.575
$171.005
$170.265
Min.: 1
Mult.: 1
Screw Cover Steel Gray 16 in 8 in 16 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 12X12X4 - GRA 1In Stock
$123.908
$109.849
Min.: 1
Mult.: 1
Screw Cover Steel Gray 12 in 4 in 12 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 6X6X6 - GRAY 1In Stock
$76.445
$68.436
$63.879
$63.868
Min.: 1
Mult.: 1
Screw Cover Steel Gray 6 in 6 in 6 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 8X6X4 - GRAY 1In Stock
$87.120
$80.182
$75.523
Min.: 1
Mult.: 1
Screw Cover Steel Gray 6 in 4 in 8 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 10X10X6 - GRA 1In Stock
$111.182
$98.798
Min.: 1
Mult.: 1
Screw Cover Steel Gray 10 in 6 in 10 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 12X12X6 - GRA 1In Stock
$133.022
$128.989
Min.: 1
Mult.: 1
Screw Cover Steel Gray 12 in 6 in 12 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 16X12X6 - GRA 1In Stock
$169.308
$160.307
$158.952
Min.: 1
Mult.: 1
Screw Cover Steel Gray 12 in 6 in 16 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 6X6X4 - GRAY
2Expected 11/9/2026
$74.235
$68.186
$64.779
$63.480
Min.: 1
Mult.: 1
Screw Cover Steel Gray 6 in 4 in 6 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 24X20X8 - GRA
Mouser does not presently sell this product in your region.
Screw Cover Steel Gray 20 in 8 in 24 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 24X24X10 - GR
Mouser does not presently sell this product in your region.
Screw Cover Steel Gray 24 in 10 in 24 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 24X24X12 - GR
Mouser does not presently sell this product in your region.
Screw Cover Steel Gray 24 in 12 in 24 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 24X24X6 - GRA
Mouser does not presently sell this product in your region.
Screw Cover Steel Gray 24 in 6 in 24 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 24X24X8 - GRA
Mouser does not presently sell this product in your region.
Screw Cover Steel Gray 24 in 8 in 24 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 30X30X12 - GR
Mouser does not presently sell this product in your region.
Screw Cover Steel Gray 30 in 12 in 30 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 10X8X4 - GRAY 3Factory Stock Available
$104.984
$98.433
$98.285
Min.: 1
Mult.: 1
Screw Cover Steel Gray 8 in 4 in 10 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 12X10X6 - GRA 18Factory Stock Available
$119.407
$112.811
Min.: 1
Mult.: 1
Screw Cover Steel Gray 10 in 6 in 12 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 12X12X8 - GRA 99Factory Stock Available
$137.032
$133.307
$132.464
$131.438
Min.: 1
Mult.: 1
Screw Cover Steel Gray 12 in 8 in 12 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 16X16X6 - GRA 55Factory Stock Available
$173.295
$164.078
$162.882
Min.: 1
Mult.: 1
Screw Cover Steel Gray 16 in 6 in 16 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 18X18X6 - GRA 56Factory Stock Available
$189.838
$184.813
Min.: 1
Mult.: 1
Screw Cover Steel Gray 18 in 6 in 18 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 36X36X12 - GR
Mouser does not presently sell this product in your region.
Screw Cover Steel Gray 36 in 12 in 36 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 8X8X6 - GRAY Non-Stocked Lead-Time 4 Weeks
$104.426
$93.432
$90.048
$90.026
Min.: 1
Mult.: 1
Screw Cover Steel Gray 8 in 6 in 8 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 10X10X4 - GRA Non-Stocked
$109.200
$102.307
$102.136
Min.: 1
Mult.: 1
Screw Cover Steel Gray 10 in 4 in 10 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 20X20X8 - GRA Non-Stocked
$287.223
$281.435
Min.: 1
Mult.: 1
Screw Cover Steel Gray 20 in 8 in 20 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 8X8X4 - GRAY Non-Stocked
$89.877
$89.707
$85.423
$84.899
Min.: 1
Mult.: 1
Screw Cover Steel Gray 8 in 4 in 8 in Screw IP66 3, 4, 12 UL 508A C3SC
Hammond Manufacturing Junction Boxes N3 SCREW COVER - 8X8X8 - GRAY Non-Stocked
$113.198
$105.235
$101.988
$101.339
Min.: 1
Mult.: 1
Screw Cover Steel Gray 8 in 8 in 8 in Screw IP66 3, 4, 12 UL 508A C3SC