Electrical Service Requirements (ESR)
Current as of January 26, 2024
The ESR Manual provides guidance and instructions pertaining to electrical service connections. Its purpose is to assist electrical contractors, engineers, architects, and manufacturers engaged in the installation of electrical service wiring and equipment.
Note: Due to the large size of this document (approximately 20 MB), downloading or printing may take several minutes, depending on the speed of your modem and printer capabilities. You may wish to right-click on the link above, select "Save Target As..." and save the document to your hard drive for easier viewing.