B-Line Eaton series Type 1 jun...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$295.11
B-Line Eaton series Type 1 junction boxes, 12" height, 4" length, 10" width, 1, Hinged cover, HC enclosure, Surface mounted, Small single door, 5 top

B-Line Eaton series Type 1 junction boxes, 12" height, 4" length, 10" width, 1, Hinged cover, HC enclosure, Surface mounted, Small single door, 5 top

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Model: 12104 HC
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$295.11
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Eaton B-Line series Type 1 junction boxes, 12" height, 4" length, 10" width, NEMA 1, Hinged cover, HC enclosure, Surface mounted, Small single door, 5 top-bottom knockouts,5 side knockouts, Thru holes, Carbon steel

Manufacturer Resources

Product Specs

Bottom Knockouts:
5
Certifications:
UL 50
Country Of Origin:
United States
Cover Type:
Hinged
Finish Color:
Painted
Mounting Hole Details:
Thru holes
Mounting Method:
Surface
Nema Rating:
1
Product Height:
12 in
Product Length Depth:
4 in
Product Weight:
7.4 lb
Product Width:
10 in
Side Knockouts:
5
Special Features:
Removable cover,recessed pull ring&friction dimple
Top Knockouts:
5
Wall Thickness:
16 gauge
Department:
Electrical
Product Model:
HC enclosure
Product Color:
ANSI 61 Grey
Product Style:
Small single door
Product Material:
Carbon steel
Product Length:
4 in

B-LINE 12104 HC – Frequently Asked Questions

1) Can the B-Line 12104 HC junction box be used outdoors or in a washdown area?
No. The 12104 HC is a NEMA Type 1 enclosure, which is indoor use only, for protection against incidental contact with the enclosed equipment and falling dirt. It has no gasket rating for water, oil, or dust. For a wet location, a rooftop, or a hose-down kitchen wall, you need a NEMA 3R, 4, or 4X box instead.
2) Does the B-Line 12104 HC come with knockouts already punched, and where are they?
Yes, it ships with knockouts on three faces: 5 top, 5 bottom, and 5 on the sides. So you can bring conduit in from above, below, or laterally without drilling or punching the carbon steel body on site.
3) Is the cover on the 12104 HC hinged or does it come all the way off?
Both, in effect. The HC cover is hinged so it swings open and stays with the box while you are working, and it is also removable when you need the opening clear. It has a recessed pull ring and a friction dimple to hold it shut. For an MRO or maintenance panel that gets opened repeatedly, the hinge is the reason to choose this over a screw cover.
4) What are the actual box dimensions on the B-Line 12104 HC enclosure?
It measures 12 inches high by 10 inches wide by 4 inches deep. That 4 inch depth is what usually decides the job: it gives you room for terminal blocks, splices, or a small relay, but check your deepest mounted component plus wire bending space before you commit.
5) How does this B-Line junction box mount to a wall, and is mounting hardware included?
It is a surface mount enclosure with thru holes in the back pan, so it fastens flat against a wall, a strut run, or a backboard with your own screws or bolts. Fasteners and anchors are not part of the box, so pick them for the substrate you are landing on. It is not a flush or recessed box.
6) What is the exact part number to order this Eaton B-Line hinged cover box, and how heavy is it?
Order it as B-Line 12104 HC. It weighs 7.4 lb, light enough for a one-man install on a wall or backboard, and it is made in the US.
7) What gauge steel is the B-Line 12104 HC enclosure, and what is the finish?
The body is 16 gauge carbon steel, painted ANSI 61 grey. That is the standard industrial grey most panel shops and plant electricians already have on the wall, so it matches adjacent gear without repainting.
How fast can I get the B-LINE 12104 HC delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the B-LINE 12104 HC come with a warranty?
Absolutely. The B-LINE 12104 HC is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the B-LINE 12104 HC?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the B-LINE 12104 HC from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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