Snohomish County Public Utility District No. 1

Skip navigation and go to content

Customer Service (M-F 8a-5:30p): 425-783-1000

Electrical Service Requirements (ESR) Manual

The information contained in this manual is intended to provide electrical contractors, architects, building contractors, engineers, and other customers with the specific technical information needed for determining acceptable methods of receiving electrical service from the PUD.

Update Bulletins are issued when there are changes to the ESR. Each bulletin will contain a list of changes, which will be reflected in the electronic version of the ESR.

There are currently no update bulletins.

Updated March 2020

Some of these chapters are large PDF files; you may want to download them to your computer hard drive before printing the files. If you cannot view these PDF files, you need Acrobat Reader. Download a free version at For best quality, use the Adobe print button instead of your browser print comment. We recommend at least version 5 of Acrobat Reader.

Related Information