CHKO Type 1 Mild Steel Junction Boxes

Hammond Manufacturing CHKO Type 1 Mild Steel Junction Boxes are offered with knockouts and a hinged door with a quarter-turn. The full swing, hinged cover with a latch provides easy access during installation and maintenance, and the formed steel covers close via a slotted quarter-turn latch. These enclosures include through-holes in the back for wall mounting and knockouts on all four sides that can be easily removed. The grounding location is embossed in the body. The boxes are formed and spot-welded from 16-gauge steel for sizes up to 30" x 24" and from 14-gauge steel for 36" x 24" sizes. Hammond Manufacturing CHKO Type 1 Mild Steel Junction Boxes are designed as a junction, pull, or switch box for general-purpose indoor commercial use. The enclosures meet or comply with the following standards: UL-50, CSA, and NEMA Type 1; RoHS; and IEC 60529, IP20.

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Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 10 x 10 x 4 - Steel/Gray
Datasheet
2In Stock
Min.: 1
Mult.: 1

Hinged Door Steel Gray 10 in 4 in 10 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 12 x 12 x 4 - Steel/Gray
Datasheet
1In Stock
3Expected 9/15/2026
Min.: 1
Mult.: 1

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

Hinged Door Steel Gray 12 in 6 in 12 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 18 x 12 x 4 - Steel/Gray
Datasheet
6In Stock
Min.: 1
Mult.: 1

Hinged Door Steel Gray 12 in 4 in 18 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 8 x 8 x 4 - Steel/Gray
Datasheet
1In Stock
Min.: 1
Mult.: 1

Hinged Door Steel Gray 8 in 4 in 8 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 12 x 10 x 4 - Steel/Gray
Datasheet
1In 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
1In 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 Hinge Cover w/KO's - 12 x 8 x 4 - Steel/Gray
Datasheet
45Factory Stock Available
More Info Available
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
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1,043Factory Stock Available
More Info Available
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 - 8 x 8 x 6 - Steel/Gray
Datasheet
270Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 8 in 6 in 8 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 30 x 24 x 6 - Steel/Gray
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More Info Available

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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More Info Available

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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More Info Available

Hinged Door Steel Gray 24 in 8 in 36 in Wall Mount IP20 1 UL 50 CHKO
Hammond Manufacturing Junction Boxes N1 Hinge Cover w/KO's - 10 x 10 x 6 - Steel/Gray
Datasheet
162Factory 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
179Factory 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
32Factory 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
295Factory 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
212Factory 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
336Factory 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 12 x 6 - Steel/Gray
Datasheet
96Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 12 in 6 in 18 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
408Factory Stock Available
More Info Available
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
217Factory 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
167Factory 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
29Factory Stock Available
More Info Available
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 4 - Steel/Gray
Datasheet
1,547Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Hinged Door Steel Gray 6 in 4 in 6 in Wall Mount IP20 1 UL 50 CHKO