Linear fluorescent high-bay for high-mounting height in industrial or retail applications. Multi-lamp ballast design provides uniform illumination and dependable light output. T5HO lamp/ballast system provides instant start and instant re-strike as well as high CRI and various chromatic lamp choices.



  • Riveted end plates increase housing rigidity and integrity.
  • Two access doors with captive knurled screws for tool-less entry open 180˚ to expose attached ballasts.
  • Die-formed aluminum (G320) reflector designed for maximum 86% reflectivity, secured to housing with fasteners.
  • Die formed aluminum construction dissipates heat away from ballast to extend life.
  • Slotted reflector moves heat away from lamps and provides uplight component.
  • Class P, 60Hz high-power factor ballasts. Ballast factor of 1.15 120-277V or 480V Universal input Electronic Ballast.
  • Includes quick connect plugs which comply with NEC 410.73(G) and CEC 30-308(4) requirements during ballast disconnect for maintenance safety and reduced service disruption.
  • Terminal blocks facilitate secure connections between ballasts and supply wiring.
  • Pressure-lock lampholders for secure lamp installation.
  • Includes heavy-gauge chain


Part Numbers:

20346-120-277V - 4 Lamp T5HO
20346WG - Wire Guard


– Brochure
– Spec Sheet
– Installation Instructions