Merit Lighting

Photoluminescent exit sign
Photoluminescent Exit Signs

Permex/Tritium exit sign
Permex/Tritium Exit Signs

Exit sign Attribute Chart
Attribute Comparison Chart






Attribute Comparison
  Electrical Nuclear Photoluminescent
Electrical Wiring Required Y N N
Electricity Consumed Y N N
Lamp Replacement Required Y * N
Battery Maintenance/Replacement Y N N
Relocatable N Y Y
Ambient Light Required N N Y
Disposal Costs N Y N
Limited Code Life N Y N
Contractor Required Installation Y N N

* The entire sign must be replaced at the end of the code life of the sign. This is typically 10 years, but can be as many as 20 years depending on the model.

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