Carlon 4-1/8 in. Rectangle Old Work 1 Gang Outlet Box - Volume 14 Cubic Inches, Length 4-1/8 Inches, Width 2-1/4 Inches, Depth 2-3/4 Inches, Color Blue, Material PVC, Mounting Means Mounting Ears and Swing Clamps. PVC construction for easier installation, greater performance and lower installation cost. Designed and listed for use with non-metallic sheathed cable in accordance with Article 314 of the National Electrical Code.