(1) Fixture Type: 6-lamp, 32 watt T8. 6 Lamp 32W T8, Program Start Ballast Multi-Volt. This high-bay fluorescent fixture is a great energy saving alternative to traditional HID high-bay fixtures. Benefits of fluorescent high-bay luminaries include: Energy Saving Compared to HID systems Exceptional Color Rendering High System Efficacy Long Lamp Life Instant On.