29 CFR Part 1910 - OSHA General Industry. Subpart S - Electrical. Data is current as of September 1, 2020. For future updates please install our OSHA General Industry App at: Contents: §1910. 301 - duction. Design Safety Standards for Electrical Systems. §1910. 302 - Electric utilization systems. §1910. 303 - General. §1910. 304 - Wiring design and protection. §1910.