Petrel hazardous area (ATEX certified) Zone 1 lighting is extensively specified for Ex d lighting applications - Petrel hazardous area standard fluorescent luminaires for Zone 1 lighting feature high impact resistant lens, anodised marine grade aluminium, 50,000 hour electronic ballast, EOL lamp protection and vibration resistance. Petrel Hazardous Area Zone 1 Lighting (ATEX) - Ex d Standard Fluorescent Luminaire for Hazardous Area Lighting Robust hazardous area fluorescent lighting luminaires are suitable for Zone 1 gas and dust environments - the Petrel hazardous area lighting luminaires are extremely versatile allowing a wide range of single lamps to be fitted from 8 watts - T5 to 58 watts - T8. ATEX Ex d fluorescent luminaires featuring 3 hour duration emergency are fitted with integral batteries and charging units for ease of fitting and maintenance - Petrel hazardous area Zone 1 fluorescent luminaires are made from high impact resistant polycarbonate and high specification marine grade aluminium anodised and painted - SIRA certified. Hazardous Area, Zone 1 Certification : EEx d II 2 G IIB or IIC T5 or T4 Zone 1 hazardous area defines areas in which an explosive atmosphere caused by a mixture air and gases, vapours and mists is expected to occur occasionally.