arpadveress 
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– what are the 2 different type of Ex d?
– what is the difference between Flameproof and Explosion Proof (XP)?
– can I freely use one or the other?
– what is and where is the flamepath?
– what new ideas are there for Ex d?
Share your Ex d pictures & videos here: https://bit.ly/2Vye2vy
Keep up good work!
Arpad
