《国家电气安全规范》(NESC) 用以保障安装、运行或维护电源和通信线路以及关联设备的工人。2007 版包含有关阻燃服用法的规范。
自 2009 年 1 月 1 日以来，即规定雇主要为在通电部件或设备上面或附近作业的工人执行危患风险分析。如果评估确定现有能量超过 2cal/cm2，则应当穿着电弧评级大于或等于预计能量级的防护服（或服装系统）。
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