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how hazordious area is classified at an oil & gas plant
and categorise suitable class of electric equipment in that
area like induction motors, LCS, Lighting Fixtures
Fluerescent/Flood lights Mercury& sodium lights, J.Bs,
Power Cables etc
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Answer Posted / b das
For zone-0 ; no electrical equipment
For zone-1 ; only flame proof(FLP) electrical equipment
including cable gland with witht mark "exd","exp" "exi"
(intrinsically safe for instruments)certified by CMRI
For zone-2 ; electrical equipment including cable gland
with mark "exe" but continuous sparking part eg. slipring
etc. enclosure must be "exd"
Apart from above there are again gas group;1A,IIA/IIB,IIC.
Area under IIC most hazordous.
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