Boundary, arc flash. When an arc flash hazard exists, an approach limit at a distance from a prospective arc source within which a person could receive a second-degree burn if an electrical arc flash ...

These calculations also define the distance to the point where the incident energy is below 1.2 cal/cm 2 — establishing an arc flash boundary. The table approach lists an approach boundary for ...

The guidance reinforces the need to maintain appropriate approach boundaries. Workers who are not properly trained or equipped should not enter restricted areas where arc-flash hazards exist.

worker training and establishing boundaries for arc flash hazards. Scott Margolin, Vice President of Technical at Tyndale and Chairman of the Board for the Partnership for Electrical Safety (PES ...