https://www.mcmaster.com/products/aluminum-outlet-boxes/
Choose from our selection of aluminum outlet boxes, including steel outlet boxes, steel switch boxes, and more. Same and Next Day Delivery.
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https://www.nema.org/standards/view/nonmetallic-outlet-boxes-device-boxes-covers-and-box-supports
NEMA BI-50075 - 2026 (Formerly OS 2), Nonmetallic Outlet Boxes, Device Boxes, Covers and Box Supports
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https://www.nema.org/standards/view/concrete-tightness-of-enclosures-outlet-boxes-junction-boxes-and-conduit-fittings
The requirements of this Annex applies to the enclosure that are additionally considered to be concrete tight.
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