Rigid polycarbonate box used for decorative light fixtures or low voltage devices. Made of a heat resistant thermoplastic material that is lightweight, noncorrosive and nonconductive, and meets UL listed standards. Captive nails, 25 cubic inch, 3 in deep, large capacity boxes are perfect for specialty lighting, track lighting, or smoke/security devices. Listed for fixture support up to 50 lb. Includes mounting hardware.