Structured Wiring Enclosures | Legrand Legrand enclosures make it easy to consolidate and manage structured wiring systems and components from a centralized distribution point in the home. Our comprehensive line of Wi-Fi transparent plastic enclosures, durable metal enclosures, and versatile accessories are the ideal choice for professional projects. Residential Enclosures | Structured Wiring Enclosures A structured wiring enclosure has many names depending on the manufacture or who you are talking to. Often they are called Residential Enclosures, Structured Wiring Enclosures, Residential Media Panels, and Net Media Centers. Regardless of the name their main purpose is the same.