A heavy‑duty exit/emergency lighting back‑box designed for severe environments, the KTEB‑259‑UV‑IS‑N boasts UV‑resistant thermoplastic construction and an ingress‑protected sealed design. It fits standard 2×5 and 2×6 cutouts, includes integrated mounting flanges, and is prewired for universal driver compatibility. Ideal for food processing, cold‑storage, and outdoor use where long‑term durability is critical.