ELVEX ARC Shield with Chin Protector NFPA 70E Risk Category 2 The Elvex ARC Shield with Chin Protector NFPA 70E Risk Category 2 helps electrical workers avoid the dangers of high-voltage hazards such as arc flash. This robust Elvex face shield has an arc rating of 12 Cal/cm², allowing it to protect electricians and linesmen from the threat of burning during unexpected electrical arcs. Able to block UV rays, heat and airborne particles, this durable, molded polycarbonate arc face shield has been rigorously tested against the NFPA 70E Risk Category 2 standards. These face protectors combine with safety spectacles, helmet and balaclava hood to form a complete NFPA-approved safety solution for the problems of category 2 electrical work. Made to mount on Elvex Vision Brackets (VB-10/20/30), these arc flash face shields come standard with an anti fog coating and a 60% VLT so you can easily observe your work and surroundings. If you want a reliable face shield as part of your arc flash.