Topaz's Weatherproof Single Gang 5-Hole Boxes are designed for use for wall or pole mounting of outdoor outlets, switches and floodlights. Fabricated strategically from strong, durable, and lightweight copper-free aluminum. Provides an 18 cubic inch capacity for easy accessibility and use. Precision manufactured for optimum performance and longevity; this product features a premium powder coat finish that ensures integrity for the long term. Additionally, its threaded hubs are a 1/2 inch to fit your specific needs. This gang box is also both cULus listed, UL listed, and both 2011 NEC and NEMA 3R compliant for safe use in wet environments.