Review Of Troffer Light Fixture Definition References. It is characterized by its recessed design, allowing the unit to be flush with the ceiling. Web a troffer is a rectangular or square light fixture that typically fits into a modular dropped ceiling grid, often described as “recessed. historically, troffer fixtures have been designed to accommodate standard fluorescent lamps like t12 or t8 bulbs.

Connect the light’s circuit wiring according to the manual your light came with, then install the ballast cover and the lamps. A troffer is a rectangular light fixture that fits into a modular dropped ceiling grid (i.e. An inverted, usually metal trough suspended from a ceiling as a fixture for fluorescent lighting tubes.