Housing and cover are compression molded fiberglass reinforced polyester composite material. Fasteners are 300 series stainless steel. Gasketing is silicone. Two (2) ¾" NPS threaded conduit inlets on bottom. Two (2) additional inlets may be field drilled and tapped.Composite is textured, pressure formed, molded-in-color. Standard 120VAC, 60Hz input. 50/60Hz input. All metal halide HID ballasts are core and coil and regulated with power factors better than 90% (HPF). Ballast provides +/- 5% lamp power regulation with +/- 10% input voltage regulation. Ballasts are factory pre-wired and tested. Metal halide ballasts are capable of starting at -20° F or -30° C. Ballast is encapsulated in epoxy resin for moisture resistance and additional corrosion protection. Long range ignitor included as standard equipment. Lower housing may be recessed directly in the ground or in concrete. Re-enterable encapsulant included as potting compound for sealing conduit entries. ETL listed to U.S. safety standards for wet locations. cETL listed to Canadian safety standards for wet locations. Manufactured to ISO 9001:2008 Standards. Height : 12 1/4" x Width: 9 5/8".