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 Hinge Cover w/KO's - 10 x 10 x 6 - Steel/Gray
Datasheet
238Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 10 in 6 in 10 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 10 x 8 x 4 - Steel/Gray
Datasheet
238Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 8 in 4 in 10 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 10 x 8 x 6 - Steel/Gray
Datasheet
57Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 8 in 6 in 10 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 12 x 10 x 6 - Steel/Gray
Datasheet
322Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 10 in 6 in 12 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 16 x 12 x 4 - Steel/Gray
Datasheet
273Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 12 in 4 in 16 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 16 x 12 x 6 - Steel/Gray
Datasheet
81Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 12 in 6 in 16 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 18 x 18 x 6 - Steel/Gray
Datasheet
439Factory Stock Available
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Min.: 1
Mult.: 1

Hinged Door Steel Gray 18 in 6 in 18 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 24 x 18 x 6 - Steel/Gray
Datasheet
226Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 18 in 6 in 24 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 6 x 4 x 4 - Steel/Gray
Datasheet
171Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 4 in 4 in 6 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 6 x 6 x 3.5 - Steel/Gray
Datasheet
38Factory Stock Available
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Min.: 1
Mult.: 1

Hinged Door Steel Gray 6 in 3.5 in 6 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 6 x 6 x 6 - Steel/Gray
Datasheet
1,740Factory Stock Available
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Min.: 1
Mult.: 1

Hinged Door Steel Gray 6 in 6 in 6 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Screw Cover - 16 x 14 x 3 - Steel/Gray
Datasheet
94Factory Stock Available
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Min.: 1
Mult.: 1

Screw Cover Steel Gray 14 in 3 in 16 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 18 x 12 x 4 - Steel/Gray
Datasheet
173Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Screw Cover Steel Gray 12 in 4 in 18 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 18 x 12 x 6 - Steel/Gray
Datasheet
109Factory Stock Available
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Min.: 1
Mult.: 1

Screw Cover Steel Gray 12 in 6 in 18 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 18 x 18 x 4 - Steel/Gray
Datasheet
184Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Screw Cover Steel Gray 18 in 4 in 18 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 18 x 18 x 6 - Steel/Gray
Datasheet
883Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Screw Cover Steel Gray 18 in 6 in 18 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 18 x 18 x 8 - Steel/Gray
Datasheet
104Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Screw Cover Steel Gray 18 in 8 in 18 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 24 x 18 x 6 - Steel/Gray
Datasheet
267Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Screw Cover Steel Gray 18 in 6 in 24 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 24 x 24 x 10 - Steel/Gray
Datasheet
67Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Screw Cover Steel Gray 24 in 10 in 24 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 24 x 24 x 4 - Steel/Gray
Datasheet
56Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Screw Cover Steel Gray 24 in 4 in 24 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 4 x 4 x 4 - Steel/Gray
Datasheet
277Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Screw Cover Steel Gray 4 in 4 in 4 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 6 x 6 x 6 - Steel/Gray
Datasheet
3Expected 27/08/2026
Min.: 1
Mult.: 1

Screw Cover Steel Gray 6 in 6 in 6 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 8 x 6 x 4 - Steel/Gray
Datasheet
385Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Screw Cover Steel Gray 6 in 4 in 8 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover w/KO's - 12 x 12 x 4 - Galv
Datasheet
91Factory Stock Available
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Min.: 1
Mult.: 1

Screw Cover Galvanized Steel 12 in 4 in 12 in Wall Mount IP20 1 UL 50 CSKOG
Hammond Manufacturing Junction Boxes N1 Screw Cover w/KO's - 12 x 12 x 8 - Galv
Datasheet
14Factory Stock Available
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Min.: 1
Mult.: 1

Screw Cover Galvanized Steel 12 in 8 in 12 in Wall Mount IP20 1 UL 50 CSKOG