Industrial NSB EXT1 Plug Connector Adapter Accessories from Red Dot are stackable, plastic wall box extension rings designed for 1‑Gang installations. The parts carry MPN EXT1 and SKU E30-10092, are UL‑approved, and manufactured in the United States. These accessories feature captive mounting nails and are intended to extend a standard wall box to accommodate Red Dot EXT1 plugs, connectors, and adapters in 1‑Gang boxes.
