NF C71-022:1992 LUMINAIRES. PART 2 : PARTICULAR REQUIREMENTS. SECTION TWENTY-TWO : LUMINAIRES FOR EMERGENCY LIGHTING. (EUROPEAN STANDARD EN 60 598-2-22).
2000NF C71-022:2000 Luminaires - Part 2-22 : particular requirements - Luminaires for emergency lighting.
1992NF C71-022:1992 LUMINAIRES. PART 2 : PARTICULAR REQUIREMENTS. SECTION TWENTY-TWO : LUMINAIRES FOR EMERGENCY LIGHTING. (EUROPEAN STANDARD EN 60 598-2-22).