K114 Issue No. 9
Reference and Specification
6 - 42
x metre x metre
x metre
x metre
x metre
Zone 2 Hazardous Area Definition
Defined as an atmosphere where explosive vapours may be present in an air
breathable atmosphere.
ONLY USE ATEX CERTIFIED EQUIPMENT IN THIS DEFINED AREA. USING NON-CERTIFIED EQUIPMENT
RISKS
AN EXPLOSION.
In an aircraft hangar, explosive vapour may be present around an aircraft. The
amount of explosive vapour varies and depends on local conditions such as hangar
ventilation, prevailing metrological conditions and the density of explosive vapours.
The local conditions must be assessed and the dimensions (x metre) of the hazardous
area defined by the local engineering and safety officials.
THE POWER SUPPLIES MUST BE ISOLATED WHEN CONNECTING ELECTRICAL EQUIPMENT IN THE
HAZARDOUS
AREA.
D
O NOT DISCONNECT ATEX CERTIFIED ELECTRICAL EQUIPMENT SUCH AS THE ADTS HAND TERMINAL
WHEN
ENERGIZED IN THE HAZARDOUS AREA.
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