[Easy Installation Steps]1. Drill holes at the overlapping area of the siding and thread the wires through the outer hole.2. Remove the knockout from the electrical box and insert the cable connector into the hole.3. Thread the wires through the cable connector and secure using the provided screws.4. Place your outdoor light onto the mounting block. [Versatile Compatibility]Designed to mount light fixtures on all types of siding, including for T-111 and HardiePlank lap siding, these siding mounting blocks make adding new lighting to existing siding much easier. The built-in electrical box streamlines the installation process. [Sturdy and Long-lasting] Constructed from high-quality plastic materials, these vinyl siding mounting blocks durability and resilience, providing a reliable solution for your outdoor lighting needs. [Easy Installation Steps]1. Drill holes at the overlapping area of the siding and thread the wires through the outer hole.2. Remove the knockout from the electrical box and insert the cable connector into the hole.3. Thread the wires through the cable connector and secure using the provided screws.4. Place your outdoor light onto the mounting block., Manufacturer: Ounfhtrttk