LED Lamps provide emergency lighting in nuclear power plants.

Designed to replace 60 W A19 style incandescent bulbs in nuclear power facilities, DDP LA-11-4/130ACDC Series offers over 1,000 lumens of output while drawing 11 W. Units deliver full brightness on 40–130 Vac/Vdc input and

[source: http://news.thomasnet.com/fullstory/LED-Lamps-provide-emergency-lighting-in-nuclear-power-plants-20031913]