The Hammond C3RWT412 is a Type 3R wiring trough measuring 4 in x 4 in x 12 in (102 mm x 102 mm x 305 mm). It is designed to protect multiple wiring junctions in outdoor environments against the ingress of rain, sleet, snow and the external formation of ice, making it a fit for electricians and contractors working on outdoor services and equipment.
The C3RWT Series is formed and spot welded from 14 or 16 gauge galvanized steel. A drip shield top protects the enclosure against rain, snow or sleet, and a slip on removable front cover is secured with screws. The enclosure and cover are finished in ANSI 61 gray powder coating. The series specification sheet notes a bonding stud on the cover and a ground stud in the enclosure to comply with UL870 - 2008 requirements. Effective August 17, 2026, the grounding strap and padlocking hasp previously included with each trough are no longer provided.
For the C3RWT412, the enclosure is 4.00 in high, 4.00 in deep and 12.00 in long. The drawing shows a 12.88 in overall length, 4.44 in outer dimensions, a 10.75 in by 2.42 in opening, 3.89 in and 3.86 in inside dimensions and four 0.30 in diameter mounting holes on the back.
The C3RWT412 ships in a box at 5 lbs (2.27 kg); UPC 623980847306, UNSPSC 39131710.
| Mounting Holes | Mounting holes on back of enclosure (embossed per spec sheet) |
| Mounting Hole Diameter | Ø 0.30 in TYP (4) |
| Back View Hole Dimensions | 8.00 in / 2.00 in / 1.13 in / 1.75 in |
| Series | C3RWT Series |
| Application | Designed for use to protect multiple wiring junctions in outdoor environments against the ingress of rain, sleet, snow and the external formation of ice. |
| Description | Type 3R Wiring Trough - 4x4x12 - Galv/Gray |
| Product Type | Type 3R Wiring Trough |
| Short Description | 3R TROUGH 4X4X12 |
| Size (H X W X D) | 4 in x 4 in x 12 in (102 mm x 102 mm x 305 mm) |
| Opening (Drawing) | 10.75 in x 2.42 in |
| Enclosure Depth (D) | 4.00 in (102 mm) |
| Enclosure Height (H) | 4.00 in (102 mm) |
| Enclosure Length (L) | 12.00 in (305 mm) |
| Overall Length (Drawing) | 12.88 in |
| Outer Dimension (Drawing) | 4.44 in |
| Inside Dimensions (Drawing) | 3.89 in I/S / 3.86 in I/S |
| UPC | 623980847306 |
| UNSPSC | 39131710 |
| Part Number | C3RWT412 |
| Packaging Type | Box |
| Shipping Weight | 5 lbs (2.27 kg) |
| Top | Drip shield top design protects the enclosure against rain, snow or sleet |
| Cover | Slip on removable front cover secured with screws |
| Finish | Enclosure and cover finished in ANSI 61 gray powder coating |
| Material | 14 or 16 gauge galvanized steel, formed and spot welded |
| Grounding / Bonding | Bonding stud on cover and ground stud in enclosure (UL870 - 2008) |
| Grounding Strap & Padlocking Hasp | No longer provided effective August 17, 2026 |
| IP Rating | IEC 60529, IP24 |
| Enclosure Type | NEMA Type 3R |
| Standards | UL870 Type 3R; CSA Type 3R; complies with NEMA Type 3R and IEC 60529, IP24 |
| UL File # | E186830 |
| CSA Cert. # | LL21312 |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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4 in x 4 in x 12 in (102 mm x 102 mm x 305 mm): 4.00 in high, 4.00 in deep and 12.00 in long.
Yes. It is a Type 3R trough designed to protect wiring junctions outdoors against rain, sleet, snow and external ice formation, and complies with IEC 60529 IP24.
The series is formed and spot welded from 14 or 16 gauge galvanized steel, finished in ANSI 61 gray powder coating.
No. Effective August 17, 2026, the grounding strap and padlocking hasp previously included are no longer provided with each trough.
UL870 Type 3R and CSA Type 3R, and it complies with NEMA Type 3R and IEC 60529, IP24. UL File # E186830, CSA Cert. # LL21312.
It has a slip on removable front cover secured with screws.
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