CFR›Title 29›Subtitle B›Chapter XVII›Part 1910›Subpart S›Subject Group Definitions ContainsSection 1910.399CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 1910.399 § 1910.399 Definitions applicable to this subpart. Previous Appendix A to Subpart S of Part 1910 Appendix A to Subpart S of Part 1910— References for Further Information Next Design Safety Standards for Electrical Systems Design Safety Standards for Electrical Systems