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 Type 3R Screw Cover - 10 x 8 x 6 - Steel/Gray
Datasheet
22Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 8 in 6 in 10 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 12 x 10 x 4 - Steel/Gray
Datasheet
140Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 10 in 4 in 12 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 12 x 10 x 6 - Steel/Gray
Datasheet
58Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 10 in 6 in 12 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 12 x 12 x 4 - Steel/Gray
Datasheet
312Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 12 in 4 in 12 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 12 x 12 x 6 - Steel/Gray
Datasheet
301Factory Stock Available
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Min.: 1
Mult.: 1

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

Lift-Off Cover Galvanized Steel Gray 4 in 4 in 12 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 15 x 12 x 6 - Steel/Gray
Datasheet
152Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 12 in 6 in 15 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 15 x 12 x 8 - Steel/Gray
Datasheet
4Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 12 in 8 in 15 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 16 x 12 x 6 - Steel/Gray
Datasheet
55Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 12 in 6 in 16 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 18 x 12 x 4 - Steel/Gray
Datasheet
24Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 12 in 4 in 18 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 18 x 12 x 6 - Steel/Gray
Datasheet
36Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 12 in 6 in 18 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 18 x 18 x 10 - Steel/Gray
Datasheet
80Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 18 in 10 in 18 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 18 x 18 x 4 - Steel/Gray
Datasheet
47Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 18 in 4 in 18 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 18 x 18 x 6 - Steel/Gray
Datasheet
35Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 18 in 6 in 18 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 18 x 18 x 8 - Steel/Gray
Datasheet
37Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 18 in 8 in 18 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 18 x 6 x 6 - Steel/Gray
Datasheet
72Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 6 in 6 in 18 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 4 x 4 x 4 - Steel/Gray
Datasheet
156Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 4 in 4 in 4 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Hinge Cover - 6 x 4 x 4 - Steel/Gray
Datasheet
73Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Snap Latch Door Galvanized Steel Gray 4 in 4 in 6 in Screw IP24 3R UL 50 C3RHCRSM
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 6 x 6 x 4 - Steel/Gray
Datasheet
273Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 6 in 4 in 6 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Hinge Cover - 8 x 6 x 4 - Steel/Gray
Datasheet
21Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Snap Latch Door Galvanized Steel Gray 6 in 4 in 8 in Screw IP24 3R UL 50 C3RHCRSM
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 8 x 8 x 6 - Steel/Gray
Datasheet
324Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 8 in 6 in 8 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 8 x 8 x 8 - Steel/Gray
Datasheet
60Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 8 in 8 in 8 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 10 x 10 x 6 - Steel/Gray
Datasheet
174Factory Stock Available
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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
179Factory Stock Available
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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
33Factory 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