Energized circuit parts not guarded or insulated,.Consider possible sources of electric arcs, including: The employer must conduct an assessment for each employee who performs work on or near exposed, energized parts of electric circuits. This provision ensures that the employer evaluates employee exposure to flames and electric arcs so that employees who face such exposures receive the required protection. Paragraph (l)(8)(i) of § 1910.269 requires the employer to assess the workplace to identify employees exposed to hazards from flames or from electric arcs. Assessing the Workplace for Flame and Electric-Arc Hazards This appendix contains information to help employers estimate available heat energy as required by § 1910.269(l)(8)(ii), select protective clothing and other protective equipment with an arc rating suitable for the available heat energy as required by § 1910.269(l)(8)(v), and ensure that employees do not wear flammable clothing that could lead to burn injury as addressed by §§ 1910.269(l)(8)(iii) and (l)(8)(iv). This paragraph requires employers to: (1) Assess the workplace for flame and electric-arc hazards (paragraph (l)(8)(i)) (2) estimate the available heat energy from electric arcs to which employees would be exposed (paragraph (l)(8)(ii)) (3) ensure that employees wear clothing that will not melt, or ignite and continue to burn, when exposed to flames or the estimated heat energy (paragraph (l)(8)(iii)) and (4) ensure that employees wear flame-resistant clothing and protective clothing and other protective equipment that has an arc rating greater than or equal to the available heat energy under certain conditions (paragraphs (l)(8)(iv) and (l)(8)(v)). Paragraph (l)(8) of § 1910.269 addresses protecting employees from flames and electric arcs. Appendix E to § 1910.269 - Protection From Flames and Electric Arcs
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