Hazardous areas

The use of explosion-proof (Ex) luminaires is mandatory in hazardous areas on cruise ships and ferries and their classifications are based on zones according to their hazard or risk potential.

Hazardous areas are explosive atmospheres created by gases, vapours and ignitable dusts or fibers. For hazardous areas, it is important that the lighting product is designed for use in the actual area, and that operation and maintenance are according to the specific requirements. Glamox has vast experience in providing lighting solutions for Ex-conditions on all types of marine vessels, including cruise ships and passenger ferries.

Custom lighting for specific areas
For hazardous areas, it is important that the lighting solution is designed for use in that specific area, and that operation and maintenance are according to the requirements. Luminaire housings are often made of zinc-anodized aluminium or stainless steel, and they have back-up batteries provided for emergency lighting and increased lifetime.

Classification of categories and zones

The new ATEX equipment directive 2014/34/EU Equipment and protective systems is intended for use in potentially explosive atmospheres. ATEX and IEC Ex define atmosphere groups depending on the type and presence of gases and dust. Site owners must classify areas where hazardous explosive atmospheres may occur into zones.

Areas classified into zones (0, 1, 2 for gas-vapour-mist and 20, 21, 22 for dust) must be protected from sources of ignition. Equipment intended to be used in Ex-classified areas must meet the requirements of the directive. Zones 0 and 20 require Category 1 marked equipment. Zones 1 and 21 require at least Category 2 marked equipment, and Zones 2 and 22 require at least Category 3 marked equipment. Zones 0 and 20 are the areas with the highest risk of an explosive atmosphere being present.

Depending on the minimum ignition energy of the gas, gases are classified in maximum surface temperature groups ranging from T1 = 630 to T6 = 95 degrees Celsius.

Glamox has vast experience from the most extreme Ex-conditions in the North Sea. We produce luminaires that are suitable for Zones 1/21 and Zones 2/22 (Ex-n) and for maximum surface temperature groups T3 (200 deg C) to T5 (100 deg C).