What additional tools are provided for use when Arc Flash studies have not been performed?

When Arc Flash studies have not been performed, tables and charts are useful tools for estimating the potential arc flash hazards in electrical systems. These resources provide essential data such as incident energy levels, boundary distances, and required personal protective equipment (PPE) categories based on system voltages and fault currents.

These tables and charts simplify complex calculations by translating specific conditions, such as equipment type and configuration, into more accessible formats. They can give electricians and safety professionals a preliminary understanding of the hazards involved, allowing them to plan safety measures accordingly.

While graphs, diagrams, and calculators are also beneficial tools in various contexts, tables and charts are specifically designed to communicate arc flash risk information quickly and effectively when formal studies have not been conducted.