Metering Standards



The metering specifications document at the right itemizes the metering requirements for the various residential, commercial and industrial secondary (120-480 Volt) voltage metering installations.  For industrial customers establishing service with The District at voltages greater than 480 Volts (primary voltage metered) please consult directly with the engineer working on your project.

Items addressed in the document include topics like:

  1. Location and accessibility of the meter
  2. Types of meter sockets
  3. Self-contained metering (services up to 320 Amps)
  4. CT (current transformer) metering (services 400 Amps and greater).

For sketches depicting specifics of various metering installations please refer to the information provided under Your Home or Your Business Establish Electric Service.

NOTE:  ALL INSTALLATIONS (NEW OR ALTERED) MUST BE INSPECTED AND APPROVED BY WASHINGTON STATE DEPARTMENT OF LABOR AND INDUSTRIES PRIOR TO THE PUD PROVIDING SERVICE.

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