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The Hoffman A24184SU is a screw-cover pull box extender designed for Type 1 applications. Constructed from steel with a gray finish, it extends standard pull boxes to accommodate additional wiring or components. The unit features unique keyhole screw slots for simplified installation and includes plated steel screws for mounting. It maintains the NEMA 1/IP30 rating of the base enclosure while providing an internal environment suitable for commercial and general industrial use.
Verify that the base pull box matches the required dimensions before ordering this extender. Confirm that the application environment remains within Type 1/NEMA 1 specifications, as this component does not enhance environmental protection ratings beyond the base unit. Ensure compatibility with existing threaded cover systems.
Select this extender when a standard pull box lacks sufficient depth for current wiring requirements. It serves as a direct extension rather than a standalone enclosure. Consider material compatibility if the base unit differs from steel. This part is intended for indoor use only due to its Type 1 rating.
This component belongs to the nVent Hoffman line of electrical enclosures and accessories. It is categorized under enclosure general accessories and pull box extenders. The product supports the modification of existing Type 1 pull boxes to meet specific spatial needs without replacing the entire assembly.
No public confirmed substitute part numbers are available in the provided documentation.

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