We know that the explosion-proof system in North America is very different from that in China/IEC/EU regions. Not only do they implement different standards, but their explosion-proof markings are als……
The North American Explosion proof Certification System (NEC system) has significant differences from China's national standard system supported Explosion proof Certification System (GB system) in ter……
.jpg "Difference between North American Explosion proof Mark and IEC/GB Explosion proof System Explosion proof Mark")
.jpg "Differences between North American Explosion proof Certification System and China/IEC National Explosion proof Certification System")
