Page 51 - Puret Sound Energy Hand Book 1218
P. 51
Chapter 4
Figure 23 Padmount transformer vault excavation
PLAN VIEW
SERVICE OR SECONDARY CABLE TYPICALLY
ENTERS EITHER THE BACK, OR THE BACK
HALF ON THE SIDE OF A VAULT.*
6' - 0"
38"
24"
6' - 0"
42"
2"
PSE TO COMPLETE
CONDUIT RUN
48" SIDE 3' - 6"
PRIMARY CABLE TYPICALLY ENTERS VIEW
EITHER THE FRONT, OR THE FRONT
HALF ON THE SIDE OF A VAULT. 6"
CRUSHED
ROCK
* APPROVAL FROM A PSE REPRESENTATIVE REQUIRED FOR VAULT ENTRANCE LOCATION.
Figure 24 Aboveground junction box vault excavation
PLAN VIEW
4"
6' - 0"
38"
6' - 0"
2"
WIRE ACCESS HOLE
48" SIDE
42" VIEW 3' - 10"
6"
CRUSHED
ROCK
Electric Service Handbook 2017 — Single-Family Residential Projects 42
