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Manufacturer Resources
Product Specs
- Certifications:
- UL 50
- Closure Type:
- Formed top hinge
- Country Of Origin:
- United States
- Cover Type:
- Hinged
- Finish Color:
- Painted
- Locking Provisions:
- Padlock provision
- Mounting Hole Details:
- Embossed thru holes
- Nema Rating:
- 3R
- Product Height:
- 24 IN
- Product Length Depth:
- 8 IN
- Product Weight:
- 46.6 LB
- Product Width:
- 24 IN
- Special Features:
- Rain hood, removable cover
- Wall Thickness:
- 14 gauge
- Department:
- Electrical
- Product Model:
- RTHC NK enclosure
- Product Color:
- ANSI 61 Grey
- Mounting Method:
- Surface
- Product Style:
- Medium single door
- Product Material:
- Carbon steel
- Product Length:
- 8 in
B-LINE 24248 RTHC NK – Frequently Asked Questions
1) Can the B-Line 24248 RTHC NK enclosure be mounted outdoors?
Yes. The 24248 RTHC NK is a NEMA Type 3R enclosure, so it is built for outdoor use against rain, sleet and snow. It adds a rain hood over the door and a formed top hinge to shed water, and the carbon steel body is painted ANSI 61 grey. It mounts to a wall or structure on the surface using embossed thru holes in the back.
2) What are the box dimensions on the B-Line 24248 junction box?
The 24248 measures 24 inches high by 24 inches wide with an 8 inch depth, which is what the 24248 in the catalog number refers to. Plan for at least 8 inches of clearance off the wall plus the swing of the hinged door, and remember the rain hood adds projection at the top.
3) Does the 24248 RTHC NK come with knockouts or a blank back panel?
It ships with no knockouts. The NK suffix means no knockouts, so you drill and punch your own conduit entries where the job needs them, which is the usual choice for a 3R outdoor box where every penetration has to be sealed. Wall thickness is 14 gauge carbon steel, so use a hole punch rather than a step bit for larger conduit sizes.
4) Can this outdoor junction box be padlocked?
Yes. The 24248 RTHC NK has a padlock provision on the hinged single door, so you can secure it with your own padlock on service equipment, pump panels or anywhere the public can reach it. The padlock is not supplied.
5) Will a Type 3R box like this work for a washdown or hose-down area?
No. A 3R rating covers falling rain, sleet and snow on an outdoor wall, not directed water. For hose-down, washdown or food processing areas you need a Type 4 or 4X enclosure instead. The 24248 RTHC NK is the right pick for general outdoor and unheated indoor locations where water only falls on it.
6) Is the cover on this B-Line enclosure hinged or removable?
Both. The door is hinged at a formed top hinge so it stays with the box during service, and the cover is removable if you need it off completely to lay out a back panel or pull wire. Handy on a 24 by 24 opening where working around a swinging door in tight quarters is awkward.
How fast can I get the B-LINE 24248 RTHC 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 24248 RTHC NK come with a warranty?
Absolutely. The B-LINE 24248 RTHC 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 24248 RTHC NK?
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selection,
installation tips, and troubleshooting. Contact Us
Why buy the B-LINE 24248 RTHC NK from ZenSupply?
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