The prohibited approach boundary, restricted approach boundary, and limited approach boundary are all dependent on system voltage. Informative Annex D, Incident Energy and Arc Flash Boundary ...

For example, labels may include shock protection information, such as the Limited and Restricted Approach Boundaries. It’s also common practice to include the date of the last arc flash risk ...

The detailed label shows the voltage, incident energy value, the working distance, and the arc flash boundary. Also notice that the Limited Approach and Restricted Approach boundaries are shown. The ...

Prevent Arc Flash with LO/TO. An arc flash can release a deadly blast of energy without any warning, ... An employee works within the Limited Approach Boundary, ...