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 - 24 x 16 x 8 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 16 in 8 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 24 x 18 x 10 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 18 in 10 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 24 x 18 x 6 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 18 in 6 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 24 x 18 x 8 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 18 in 8 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 24 x 20 x 8 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 20 in 8 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 24 x 24 x 10 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 24 in 10 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 24 x 24 x 6 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 24 in 6 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 24 x 24 x 8 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 24 in 8 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 24 x 8 x 8 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 8 in 8 in 24 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 30 x 24 x 10 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 24 in 10 in 30 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 30 x 24 x 8 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 24 in 8 in 30 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 30 x 30 x 12 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 30 in 12 in 30 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 30 x 30 x 16 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 30 in 16 in 30 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 36 x 30 x 12 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 30 in 12 in 36 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 36 x 36 x 12 - Steel/Gray
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Lift-Off Cover Galvanized Steel Gray 36 in 12 in 36 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 30 x 24 x 6 - Steel/Gray
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Hinged Door Steel Gray 24 in 6 in 30 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 36 x 24 x 6 - Steel/Gray
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Hinged Door Steel Gray 24 in 6 in 36 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 36 x 24 x 8 - Steel/Gray
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Hinged Door Steel Gray 24 in 8 in 36 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Screw Cover - 30 x 20 x 10 - Steel/Gray
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Screw Cover Steel Gray 20 in 10 in 30 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 30 x 24 x 6 - Steel/Gray
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Screw Cover Steel Gray 24 in 6 in 30 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 36 x 24 x 10 - Steel/Gray
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Screw Cover Steel Gray 24 in 10 in 36 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes N1 Screw Cover - 36 x 24 x 8 - Steel/Gray
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Screw Cover Steel Gray 24 in 8 in 36 in Wall Mount IP20 1 UL 50 CS
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 10 x 10 x 4 - Steel/Gray
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70Factory Stock Available
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Lift-Off Cover Galvanized Steel Gray 10 in 4 in 10 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Screw Cover - 10 x 10 x 6 - Steel/Gray
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172Factory Stock Available
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Min.: 1
Mult.: 1

Lift-Off Cover Galvanized Steel Gray 10 in 6 in 10 in Wall Mount IP24 3R UL 50 C3RSC
Hammond Manufacturing Junction Boxes Type 3R Hinge Cover - 10 x 8 x 6 - Steel/Gray
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26Factory Stock Available
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Hinged Snap Latch Door Galvanized Steel Gray 8 in 6 in 10 in Screw IP24 3R UL 50 C3RHCRSM