Final answer:
If there is a suspected presence of exposed arc byproduct, members must evacuate the area immediately and notify the appropriate authorities and personnel.
Step-by-step explanation:
If there is a suspected presence of exposed arc byproduct, it is important for members to evacuate the area immediately and notify the appropriate operating authority and substation personnel. This is because exposed arc byproduct can pose serious health risks, including burns, respiratory issues, and toxic gas exposure. Evacuating the area promptly ensures the safety of individuals and reduces the potential for further harm.
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