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Chapter 2

Permanent underground service

Steps to a successful underground service installation
The following list details the key steps in the installation of your underground service
resulting in PSE’s installation of your underground service line and meter (see Figure 7).
• Confirm where your service line will originate by contacting Customer Construction
Services (CCS) at 1-888-321-7779.
• Call PSE to set up an account and submit an order. Allow adequate time for
possible engineering, right-of-way permits, and easement review.
• Obtain an electrical work permit.
• Determine an acceptable location for your meter base/socket (see Chapter 5).
• Order underground utility locate service by contacting the 811 “Call Before You Dig”
hotline two business days before digging.
• Dig a trench and provide proper conduit between your meter location and the
service line origination (transformer, handhole, pole, or stubout).
» Provide 4-foot-square work pits at poles, stubouts, handholes, and meter
service entrance.
» Provide conduit for electrical service lines that are less than 100 feet and a
3/8-inch pull rope if over 60 feet.
• Install your meter base/socket service entrance equipment.
• Obtain a city or state electrical inspection and approval of your installation.
• Call CCS at 1-888-321-7779 to have your service installed and energized.

Figure 7 Typical underground service from overhead power facilities

POLE

METER RISER
SECONDARY 24" MIN DEPTH OF COVER
HANDHOLE 48" MAX DEPTH OF TRENCH

UNDERGROUND SERVICE LINE

Electric Service Handbook 2017 — Single-Family Residential Projects 16