Question 15 of 30
Pick the IEC symbol for explosion proof electrical protection?
A
ex-e
B
ex-n
C
ex-d
D
ex-p
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Answer & Explanation
The correct answer is Option C: ex-d.
The symbol 'ex-d' denotes 'flameproof' (or explosion-proof) equipment, where the enclosure is designed to withstand an internal explosion without igniting the surrounding atmosphere.