We start by dropping the wire behind the wall, securely mounting the outlet box using plywood backing, and connecting multiple boxes with a ¾ inch offset nipple for a level and sturdy setup. Using a strong magnet level ensures precise alignment throughout the installation. This tutorial will guide you through. A surface mount round electrical box is a non-recessed enclosure secured directly onto the surface of a wall or ceiling. Installation is quick, clean, and non-invasive, making it perfect for concrete walls, rental spaces, or temporary setups. This article details the process of installing them, which helps you comprehend distribution boxes.