B-Line Eaton series Type 1 jun...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,434.23
B-Line Eaton series Type 1 junction boxes, 30" height, 8" length, 30" width, 1, Screw cover, SCGV NK enclosure, Surface mounted, Medium single door,

B-Line Eaton series Type 1 junction boxes, 30" height, 8" length, 30" width, 1, Screw cover, SCGV NK enclosure, Surface mounted, Medium single door,

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Model: 30308 SCGV NK
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$2,434.23
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Eaton B-Line series Type 1 junction boxes, 30" height, 8" length, 30" width, NEMA 1, Screw cover, SCGV NK enclosure, Surface mounted, Medium single door, No knockout, Thru holes, Galvanized steel

Manufacturer Resources

Product Specs

Certifications:
UL 50
Country Of Origin:
United States
Cover Type:
Screw
Finish Color:
Unfinished
Mounting Hole Details:
Thru holes
Mounting Method:
Surface
Nema Rating:
1
Product Height:
30 in
Product Length Depth:
8 in
Product Weight:
73.7 lb
Product Width:
30 in
Special Features:
Keyhole slots on cover, plated screws
Wall Thickness:
12 gauge
Department:
Electrical
Product Model:
SCGV NK enclosure
Product Color:
Grey
Product Style:
Medium single door
Product Material:
Galvanized steel

B-LINE 30308 SCGV NK – Frequently Asked Questions

1) Can a NEMA 1 junction box like the B-Line 30308 SCGV NK be used outdoors or in a wet area?
No. The 30308 SCGV NK carries a NEMA Type 1 rating, which is indoor use only, for general purpose protection against incidental contact with the enclosed equipment and falling dirt. It gives no protection against rain, washdown, hose directed water, or dust. For an exterior wall, a loading dock, or a wet process area you need a Type 3R, 4, or 4X enclosure instead.
2) What are the actual box dimensions on the B-Line 30308 SCGV NK junction box?
It measures 30 inches high by 30 inches wide with an 8 inch depth, so it is a square box with a fairly deep back for pulling and splicing. Plan 8 inches of clearance off the wall face plus room to swing or lift the screw cover clear.
3) Does this B-Line junction box come with knockouts, or do I have to drill my own conduit entries?
No knockouts. The 30308 SCGV NK is the NK (no knockout) version, so every conduit entry gets punched or hole sawed on site where you want it. That is the usual choice when the conduit layout is field determined or when you are landing a mix of trade sizes. The body is 12 gauge galvanized steel, so use a knockout punch rather than trying to drill it clean.
4) How does the 30308 SCGV NK mount to the wall?
Surface mount, using thru holes in the back of the box, so it fastens flat against a wall or a strut rack with your own anchors. Anchors and fasteners are not part of the box. At 73.7 pounds empty, pick anchors rated for that plus the weight of the conductors and any devices you mount inside, and hit structure or a strut channel rather than hollow block or drywall alone.
5) Is this a hinged door enclosure or a screw on cover?
Screw cover. The 30308 SCGV NK uses a removable cover secured with plated screws, with keyhole slots on the cover so one person can hang it on partially backed out screws while starting the rest. It is meant for a box you open occasionally for pulls and splices, not for equipment you access daily, where a hinged door enclosure is the better call.
6) What part number do I order for the 30 x 30 x 8 B-Line screw cover box with no knockouts?
The Eaton B-Line catalog number is 30308 SCGV NK. The number reads off the size: 30 high, 30 wide, 8 deep, screw cover galvanized, no knockout. If you want the same box with factory knockouts, that is a different catalog suffix, so check the NK on the number before you release the order.
7) Is 12 gauge heavy enough for a junction box this size?
Yes. At 30 by 30 inches, 12 gauge steel is the heavier end of the range for a Type 1 box and it keeps a large unsupported cover and back panel from oil canning when you are pulling conductors through it. It is also why the empty box runs 73.7 pounds, so plan on two people to set it and anchor it.
How fast can I get the B-LINE 30308 SCGV 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 30308 SCGV NK come with a warranty?
Absolutely. The B-LINE 30308 SCGV 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 30308 SCGV 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 30308 SCGV 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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