Page 31 - Puret Sound Energy Hand Book 1218

Chapter 2

Figure 10 Two types of meter bases/sockets for permanent underground service, home built
on permanent foundation

METER BASE/SOCKET FLUSH-MOUNTED METER BASE/SOCKET SURFACE-MOUNTED

1 1
10 10
CUSTOMER CUSTOMER
SERVICE SERVICE
2 8 PANEL 2 8 PANEL
3 3

6' MAX 6' MAX 4
5' PREFERRED 9 5' PREFERRED 9
4' MIN 4' MIN
5
5

4

CONDUCTOR SLACK 2' * CONDUCTOR SLACK 2'
FOR GROUND MIN 9 FOR GROUND MIN * 9
SETTLEMENT 6 SETTLEMENT
7 7 6
11 11

2'-3'
12 13 12 13 2'-3'

NOTE: Conductor slack shall be left at the base of the service entrance for ground
settlement to relieve tension on meter connections.
NOTE: Total distance of raceway within the building to the customer’s overcurrent
protection shall not exceed 15 ft (WAC 296-46B-230.070).

* Optional grounding electrode(s) for structures without permanent foundation.
** Schedule 40 PVC or rigid-steel conduit may not be allowed on flush-mount
installations. Check with local jurisdictional codes before installation.

Items owned and installed by customer Items owned and installed by PSE
1 Meter base/socket 10 Meter
2 Insulating busing 11 Service line
3 Terminal adapter or lock washer PSE owned but customer purchased
4 Conduit strap (2) and installed
5 Rigid steel conduit, Sch 40 or Sch 80 PVC ** 12 Conduit (required in residential plats)
6 Elbow, 45˚ or 90˚, 24" min radius
7 Bell end 13 Bell end
8 Lock washer
Ground electrode and wire in accordance
9
with NEC/WAC

Electric Service Handbook 2017 — Single-Family Residential Projects 22