In a possible hazardous atmosphere only devices, equipments, power and working machines may be installed and operated which comply with the quality and temperature class or maximum temperature specified in the hazardous zone and which have been manufactured, inspected, maintained in accordance with explosion protection regulations, and have been repaired accordingly.
Keep up good work
Arpad
QUESTION: Are there any requirements for an IECEx Certification Body, ExCB, to be
ISO 80079-36 and -37 stand for non electrical explosion protection and list
types of protection according to EPL Ga do not require a second
Possible protection method here the application of earthing clamps, certainly clamps themselves shall be questionned as per possible igniton sources.
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arpadveress 
