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Functionrecessed downlight


Aperture 4"


Footprint18 ¼” x 11 5/8”

Net Weight14 lbs

AvailabilityShips In Weeks

Product Remarks

Arclite T4G/4 is an efficient 4” aperture downlight designed for use with 20-watt or 39-watt T4, GU6.5 base metal halide lamps. Fixture is equipped with an electronic ballast and a protective glass. Precise reflector design minimizes aperture brightness, with a shielding angle of 40°. 



Application Notes

Fixture is listed for Damp Location and suitable for use in a fire rated ceiling. Fixture is prewired with electronic ballast and thermal protector and is approved for ten #12 wire 90°C branch circuit pull-through wiring. 

Arclite T4G/4 is relamped from below after removal of the bottom reflector and the protective glass. Both the bottom reflector and protective glass are spring-mounted and require no tools for removal or re-insertion.


ArcT4gDL4MD.IES; medium distribution
ArcT4gDL4ND.IES; narrow distribution
ArcT4gDL4WD.IES; wide distribution

Additional Options

  • Narrow distribution (standard setting is medium distribution)
  • Wide distribution (standard setting is medium distribution)
  • Emergency: DC bayonet base socket only
  • Auxiliary: DC bayonet base socket prewired to restrike relay;100 watt max lamp on 120 v service; 50 watt max on 277 v service 



Contact factory with quantity for pricing; orders may require shop drawing approval.

  • CHP-: 20-watt fixture suitable for Chicago Plenum; add CHP- as prefix to Product Code.
  • CONC-: 20-watt fixture suitable for poured-in-place concrete; add CONC- as prefix to Product Code.
  • EXP-: `European-style´ install-from-below fixture; add EXP- as prefix to Product Code.
  • +2”CLG: fixture suitable for installation in 2” thick ceiling material; add +2”CLG to Product Code.
  • +DOD: fixture suitable for high humidity environments; add +DOD to Product Code.
  • +MAR: reflector suitable for marine environments; add +MAR to Product Code.
  • +TR: fixture prepared for top re-lamping; add +TR to Product Code.