Long Life, More Effi ciency and High Lumens with Super Arc High Pressure Sodium Lamps Litetronics Super Arc™ High Pressure Sodium (HPS) lamps are a superior, economical lighting choice in general enclosed fi xture applications. HPS lamps are the most effi cient lamps in the HID family of products. They cast a golden white light that is perfect for illuminating streets and parking areas. Plus, HPS lamps have a shorter warm-up time than other HID lamps. Super Arc HPS lamps have a 24,000 hour life. This means less replacements are needed, reducing labor costs. They are more effi cient than incandescent, metal halide and many fl uorescent lamps. The long life and high lumen output puts Super Arc HPS lamps ahead of the competition.