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Chicago Approved LED NEMA 4X Weatherproof Exit Sign

The WCHL-4X series is an exclusive fixture to Big Beam. The WCHL-4X is essentially Big Beam’s Wet Location Chicago Exit (WCHL), enclosed within a 4X enclosure, allowing for full outdoor, wash-down and weatherproof protection. Available with Battery Backup (EWCHL-4X). STAIRS & Area Of Rescue Assistance Glass available.

  • Chicago Approved LED Exit Sign
  • Units Satisfy the Requirements of NEMA 1, 2, 3, 3R, 4 & 4X Enclosures
  • Wet Location & Wash-Down Protected
  • Dual Voltage 120/277 VAC
  • 1.7W LED Strip
  • Light-Emitting Diodes – 25+ Year Life
  • Illuminates with Uniform Color and Brightness
  • Indirect Placement for Diffused Legend Output
  • Integrated Solid State System
  • Constant Current, Controlled Automatic Charger Circuit
  • Low-Voltage Battery Cutoff
  • Brownout Sensitivity
  • Increased LED Brightness Level in Emergency Mode
  • Sealed Nickel Cadmium Battery, 5-Year Shelf Life, 10-Year Battery Warranty
  • Back Mount
  • Open-Face Glass Panel
  • Silk Screen Letters
  • 20-Gauge Steel Housing
  • 4X Enclosure with Shield
  • White Powder-Coat Finish
  • Test Switch



Height: 15.5” / Width: 17.5” / Depth: 7”


20 Gauge Steel Exit Sign with Open Face Glass Panel, placed inside of a Fiberglass 4X Enclosure with a Poly-Carbonate Shield.


Sealed Nickel Cadmium Battery, 10 Year Warranty


1.7W LED Strip


Exit Sign Meets Chicago Code