Absence of Voltage Testing is a hot topic among safety experts and electrical safety product manufacturers right now. This comes in the wake of a recent revision to NFPA 70E with Exception No. 1 of Article 120.5 (7). We have a few folks at Grace with decades of experience in this sector who have helped pull together the clearest interpretation of what Exception No. 1 means for Absence of Voltage Testing and GracePESDs.