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The Extension Box Alum For 1-Gang Elctrcl Box from Bell is designed for outdoor electrical installations that require extra length to reach distant power sources or outlets. Constructed with heavy-duty cast aluminum, the extension box offers a durable and weatherproof solution to ensure a safe and reliable connection in harsh environments. Its compact design measures 4.5 inches in height and 2.75 inches in width, making it easy to install in tight spaces while providing enough room for one electrical gang to protect devices such as landscape lighting, security cameras, and more. With its polyester powder-protective silver-gray finish, the Extension Box Alum is perfect for both commercial and residential applications where weather protection and long-lasting performance are essential.