Sturdy Fiberglass Construction The fiberglass junction box is meticulously crafted from heavy-duty fiberglass-reinforced polyester, precisely cut and molded for maximum strength and durability. It offers excellent wear resistance and ensures your equipment remains protected even in harsh environments. Outer Dimensions (H × W × D): 15.7" × 11.8" × 7.9" (40 × 30 × 20 cm) Inner Dimensions (H × W × D): 14.6" × 11.4" × 7.5" (37 × 29 × 19 cm) IP66 Waterproof Rating Equipped with a high-performance sealing strip, this enclosure achieves an IP66 protection level, effectively preventing dust, dirt, and water from entering the box—even when the lid is opened. It keeps your electrical circuits secure and organized with confidence. Reinforced Lock & Hinge The clear fiberglass cover features a premium lock core for enhanced safety and lockability, ensuring it won’t loosen or fall off easily. The high-strength hinged lid is designed to resist impact, preventing deformation or damage caused by external pressure. Easy Installation Comes with a detachable galvanized mounting backplate and T-nut mounting slots for quick and convenient installation of electrical components. The included accessories and pre-drilled mounting holes allow for secure wall installation. Versatile Applications Designed for both indoor and outdoor use, this fiberglass NEMA enclosure provides superior corrosion resistance and circuit protection. Ideal for industrial, commercial, and residential settings—such as factories, construction sites, public squares, and courtyards—it ensures long-lasting reliability in any environment.