arpadveress Question
How should equipment be marked with new Type of Protection designations be handled in accordance with IEC 60079-14?
Interpretation
Equipment marked with new Type of Protection designations shall be applied in accordance with IEC 60079-14 requirements based on the following points and IEC 60079-14:2013, Table 2
• Ex “eb” should be treated as equivalent to Ex “e”
• Ex “ec” should be treated as equivalent to Ex “nA”
• Ex “db” should be treated as equivalent to Ex “d”
• Ex “dc” requirements should be based on Ex “d” requirements but is only suitable for EPL Gc
• Ex “ob” should be treated as equivalent to Ex “o”
• Ex “oc” requirements should be based on Ex “o” requirements but is only suitable for EPL Gc
Source: https://www.iec.ch
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Arpad
veress@exprofessional.com
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