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Chapter 4

Continuous conduit systems
When PSE’s design includes a continuous conduit system, PSE will supply conduit for
primary voltage cables.

Customer-supplied conduits

You may supply and install discontinuous primary conduit for construction convenience.
If you supply the conduit for primary voltage cable, it will be owned and maintained by
PSE and shall meet the following specifications:
• PVC electrical grade, Schedule 40 (or Schedule 80 if required in poor soil conditions).
• Gray in color.
• 2-, 3-, 4-, or 6-inch diameters as specified on the work sketch.
• Conduit bends shall be long radius bends, 36-inch minimum radius.
• Meet requirements in ASTM F 512 and NEMA TC 2.

Terminating conduit at transformer
When installing the conduit, stop 2 feet short of the entrance into the wire access hole
located at the bottom of the minipad transformer handhole.

Electric Service Handbook 2017 — Single-Family Residential Projects 45