Commercial Electrical Enclosures with Knockouts

Hammond Manufacturing Commercial Electrical Enclosures with Knockouts are ideal for commercial building construction and light industrial needs. These UL-listed enclosures are available in several NEMA ratings, including Type 1 and Type 3R. The Type 1 enclosures are suitable for use as a junction, pull, or switch box in general-purpose indoor commercial applications, while the Type 3R junction boxes provide protection against rain, sleet, snow, and dripping water. Hammond Manufacturing Commercial Electrical Enclosures feature knockouts on the bottom of the enclosure or on all four sides for design flexibility.

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Hammond Manufacturing Junction Boxes N1 Screw Cover w/KO's - 10 x 10 x 6 - Galv
Datasheet
67Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Screw Cover Galvanized Steel 10 in 6 in 10 in Wall Mount IP20 1 UL 50 CSKOG
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 10 x 8 x 4 - Steel/Gray
Datasheet
1May Stock
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 8 in 4 in 10 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Hinge Cover - 12 x 10 x 6 - Steel/Gray
Datasheet
3May Stock
Min.: 1
Mult.: 1

Hinged Snap Latch Door Galvanized Steel Gray 10 in 6 in 12 in Screw IP24 3R UL 50 C3RHCRSM
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 8 x 6 x 4 - Steel/Gray
Datasheet
21May Stock
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 6 in 4 in 8 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 12 x 10 x 4 - Steel/Gray
Datasheet
1May Stock
Min.: 1
Mult.: 1

Hinged Door Steel Gray 10 in 4 in 12 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 8 x 6 x 4 - Steel/Gray
Datasheet
1May Stock
Min.: 1
Mult.: 1

Hinged Door Steel Gray 6 in 4 in 8 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Screw Cover - 10 x 10 x 6 - Steel/Gray
Datasheet
6May Stock
Min.: 1
Mult.: 1

Screw Cover Steel Gray 10 in 6 in 10 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 12 x 10 x 6 - Steel/Gray
Datasheet
7May Stock
Min.: 1
Mult.: 1

Screw Cover Steel Gray 10 in 6 in 12 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 18 x 14 x 3 - Steel/Gray
Datasheet
1May Stock
Min.: 1
Mult.: 1

Screw Cover Steel Gray 14 in 3 in 18 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 6 x 6 x 3 - Steel/Gray
Datasheet
3May Stock
Min.: 1
Mult.: 1

Screw Cover Steel Gray 6 in 3 in 6 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 8 x 8 x 6 - Steel/Gray
Datasheet
1May Stock
Min.: 1
Mult.: 1

Screw Cover Steel Gray 8 in 6 in 8 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover w/KO's - 12 x 12 x 6 - Galv
Datasheet
1May Stock
Min.: 1
Mult.: 1

Screw Cover Galvanized Steel 12 in 6 in 12 in Wall Mount IP20 1 UL 50 CSKOG
Hammond Manufacturing Junction Boxes N1 Screw Cover - 12 x 8 x 4 - Steel/Gray
Datasheet
3Inaasahan 8/19/2026
Min.: 1
Mult.: 1

Screw Cover Steel Gray 8 in 4 in 12 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 6 x 6 x 4 - Steel/Gray
Datasheet
35Inoorder
Min.: 1
Mult.: 1

Screw Cover Steel Gray 6 in 4 in 6 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 24 x 12 x 6 - Steel/Gray
Datasheet
Available ang Higit Pang Impormasyon

Lift-Off Cover Galvanized Steel Gray 12 in 6 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes N1 Screw Cover - 24 x 24 x 8 - Steel/Gray
Datasheet
Available ang Higit Pang Impormasyon

Screw Cover Steel Gray 24 in 8 in 24 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes Type 3R Hinge Cover - 12 x 12 x 10 - Steel/Gray
Datasheet
29Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Hinged Snap Latch Door Galvanized Steel Gray 12 in 10 in 12 in Screw IP24 3R UL 50 C3RHCRSM
Hammond Manufacturing Junction Boxes Type 3R Hinge Cover - 12 x 12 x 6 - Steel/Gray
Datasheet
1,091Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Hinged Snap Latch Door Galvanized Steel Gray 12 in 6 in 12 in Screw IP24 3R UL 50 C3RHCRSM
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 12 x 8 x 6 - Steel/Gray
Datasheet
58Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 8 in 6 in 12 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 18 x 12 x 8 - Steel/Gray
Datasheet
104Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 12 in 8 in 18 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 12 x 8 x 4 - Steel/Gray
Datasheet
85Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Hinged Door Steel Gray 8 in 4 in 12 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 16 x 16 x 6 - Steel/Gray
Datasheet
925Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Hinged Door Steel Gray 16 in 6 in 16 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 24 x 24 x 6 - Steel/Gray
Datasheet
22Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Hinged Door Steel Gray 24 in 6 in 24 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Screw Cover - 16 x 12 x 4 - Steel/Gray
Datasheet
127Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Screw Cover Steel Gray 12 in 4 in 16 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 16 x 12 x 6 - Steel/Gray
Datasheet
240Available ang Stock ng Pabrika
Available ang Higit Pang Impormasyon
Min.: 1
Mult.: 1

Screw Cover Steel Gray 12 in 6 in 16 in Wall Mount IP20 1 UL 50 CS