Cei 31-35 Pdf ((top)) Now

For detailed and accurate information, one would typically need to obtain a copy of the CEI 31-35 standard. This can usually be done through:

| Zone | Gas Presence | Allowed Protection Types (CEI 31-35) | | :--- | :--- | :--- | | Zone 0 | Continuous | Ex ia, Ex ma (Intrinsic safety / Encapsulation) | | Zone 1 | Likely in normal operation | Ex d, Ex e, Ex p, Ex q, Ex o | | Zone 2 | Unlikely, short duration | Ex n, Ex ec | cei 31-35 pdf