Presenting the LHTQ family of Iberville boxes. With their additional cubic capacity, this family of boxes is designed for any installations that require a greater number of conductors such as heating, GFCI and arc fault applications. What's more, because it's an LHTQ, installation is always fast and accurate. Look for these practical and time saving features on all LHTQ models. Positioning guides for drywall and outside wall applications Retractable positioning tabs Internally embossed mounting slots Flat box sides for maximum stability Holding prongs