There has been much written about CSA Z462. Awareness of the hazards of arc flash incidents is greater today, yet there continue to be misconceptions about arc flash suits and protection against higher incident energy level arc flash hazards. “I will never wear one of those moon suits.” However, there have been substantial improvements in technology of the fabrics and hood windows and development of accessories, which have addressed or mitigated many of the comfort issues. In many cases, wearing an arc flash suit is not an option. Because of the extent and severity of the potential energy and possible injuries that would result, an arc flash suit may be the only choice.