B-Line Eaton series Type 1 junction boxes, 24" height, 10" length, 18" width, 1, Screw cover, SC NK enclosure, Surface mounted, Medium single door, N

No. The 241810 SC NK carries a NEMA Type 1 rating, which is indoor use only, for protection against incidental contact and falling dirt. It offers no protection against rain, hose-down, dust ingress, or oil. For outdoor or wet locations you need a Type 3R, 4, or 4X enclosure instead.

24 inches high, 18 inches wide, and 10 inches deep, which is where the 241810 designation comes from. Plan for the 10 inch depth clearance off the wall plus room to remove the screw cover, and remember the cover screws out toward you rather than swinging on a hinge.

No knockouts. The 241810 SC NK is the NK (no knockout) version, so every conduit entry gets punched or drilled on site to suit your raceway layout. Bring a hole punch set sized for your conduit trade sizes. If you want factory conduit openings, order a knockout version of the screw cover box instead.

It is a surface mount enclosure with thru holes in the back pan, so it bolts flat to a wall, strut, or backboard using fasteners you supply and size to the substrate. The cover also has keyhole slots, which lets you hang the cover on partially driven screws while you start the rest. At 31 lb empty, anchor it into studs, masonry, or strut rather than hollow drywall alone.

The 241810 SC NK is built to UL 50, the standard for enclosures for electrical equipment, and it is made in the United States. That combination is usually what a government, healthcare, or education specification is asking for when it calls out a listed Type 1 enclosure with domestic origin.

A screw cover box like the 241810 SC NK suits pull points, splices, and terminations you rarely open, and the fully removable cover with plated screws gives you unobstructed access to the whole box when wiring it. If the enclosure houses controls, breakers, or anything an electrician opens routinely, a hinged door enclosure is the better call because the cover stays captive and there are no loose screws to lose at height.

16 gauge carbon steel, painted in ANSI 61 grey, the standard grey used across industrial electrical gear so it matches adjacent panels and gutters. 16 gauge is a standard commercial body thickness for a box this size and stands up to conduit loading and MRO handling in plant and back-of-house rooms.

Order Eaton B-Line part number 241810 SC NK. The number reads off the dimensions, 24 high by 18 wide by 10 deep, with SC for screw cover and NK for no knockout. Dropping the NK gets you a different box with factory conduit openings.

At 31 lb empty it is a two-hand lift, and holding 24 inches of box flat to a wall while starting fasteners is awkward alone. Set your top anchors first and hang the back pan on them, then land the rest. Once loaded with conduit and conductors the total weight climbs well past the empty figure, so size your anchors for the finished condition.