B-Line Eaton series Type 1 jun...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$522.73
B-Line Eaton series Type 1 junction boxes, 18" height, 4" length, 15" width, 1, Screw cover, SC NK enclosure, Surface mounted, Medium single door, No

B-Line Eaton series Type 1 junction boxes, 18" height, 4" length, 15" width, 1, Screw cover, SC NK enclosure, Surface mounted, Medium single door, No

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Model: 18154 SC NK
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$522.73
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Eaton B-Line series Type 1 junction boxes, 18" height, 4" length, 15" width, NEMA 1, Screw cover, SC NK enclosure, Surface mounted, Medium single door, No knockout, Thru holes, Carbon steel

Manufacturer Resources

Product Specs

Certifications:
UL 50
Country Of Origin:
United States
Cover Type:
Screw
Finish Color:
Painted
Mounting Hole Details:
Thru holes
Mounting Method:
Surface
Nema Rating:
1
Product Height:
18 in
Product Length Depth:
4 in
Product Weight:
13.6 lb
Product Width:
15 in
Special Features:
Keyhole slots on cover, plated screws
Wall Thickness:
16 gauge
Department:
Electrical
Product Model:
SC NK enclosure
Product Color:
ANSI 61 Grey
Product Style:
Medium single door
Product Material:
Carbon steel
Product Length:
4 in

B-LINE 18154 SC NK – Frequently Asked Questions

1) Can the B-Line 18154 SC NK junction box be installed outdoors or in a washdown area?
No. The 18154 SC NK is a NEMA Type 1 enclosure, which is for indoor use only and protects against incidental contact and falling dirt. It offers no rated protection against rain, hose-down, dust, or oil, so keep it out of wet locations, exterior walls, and food-processing washdown areas. For those you need a Type 3R, 4, or 4X box instead.
2) What are the actual box dimensions on the B-Line 18154 SC NK, and how much wiring depth do I get?
It measures 18 inches high by 15 inches wide with a 4 inch depth, so you have 4 inches of interior depth for conductors, splices, and terminal blocks. Steel is 16 gauge and the box weighs 13.6 lb, so a single installer can hang it, but 4 inches is tight for large bending radius on heavy feeders.
3) Does this B-Line junction box come with knockouts, or do I have to punch my own conduit holes?
No knockouts. The 18154 SC NK ships blank, so every conduit entry gets field-punched where you want it. That is the point of the NK version: you set the hole pattern to your raceway layout instead of working around factory locations. Budget for a punch set or hole saw and appropriate connectors.
4) Is the 18154 SC NK enclosure UL listed for an inspected commercial job?
Yes, it carries UL 50 certification, the standard covering enclosures for electrical equipment. It is also made in the US, which matters if your project carries domestic-content or Buy American requirements.
5) How does this B-Line box attach to the wall, and is anything included for mounting?
It is a surface-mount enclosure with thru holes in the back pan, so it bolts flat to a wall, plywood backboard, or Unistrut. The fasteners themselves are not part of the box, so pick anchors rated for the 13.6 lb enclosure plus whatever wiring and devices you put in it. It is not designed for flush or recessed installation.
6) What color and finish is this B-Line junction box, and will it match the rest of my gear?
Painted carbon steel in ANSI 61 grey, the standard grey used on most switchgear, panelboards, and control enclosures, so it blends with existing equipment in a plant or electrical room. Being painted steel rather than stainless, it wants a dry indoor location.
How fast can I get the B-LINE 18154 SC NK 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 18154 SC NK come with a warranty?
Absolutely. The B-LINE 18154 SC NK 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 18154 SC NK?
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 18154 SC NK 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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