The Arlington BE1 is the ultimate solution for correcting set-back electrical boxes in retrofit or new construction projects. Designed for single-gang applications, this durable plastic box extender levels and supports wiring devices, ensuring a flush finish with the wall surface. With a generous 1-1/2" extension depth, it meets NEC requirements and is UL listed for fire-rated walls up to 2 hours. Whether you're working with drywall, tile, or paneling, the BE1 simplifies compliance and boosts installation quality—made proudly in the USA.