Page 32 - Puret Sound Energy Hand Book 1218
P. 32

Chapter 2


               Figure 11         401−800 A service entrance equipment, home built on permanent foundation


                                                                           SINGLE-PHASE INSTALLATION
                                          6
                                        2


                                            5        4
                                                                                                         3
                              6' MAX    9
                            5' PREFERRED             12
                              4' MIN
                                         8                                                           NO CONDUIT
                                                                                                     IN THIS AREA

                                 15" MIN
                                           7

                              2' MIN
                                   *  12  14
                                                                                                          LOAD
                                                     10

                                  1
                      15   16
                                     2'-3'                            1         LINE         9


                                      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
                          Conduit (Sch 40 or Sch 80 PVC or steel or EMT),        Service conductors
                       4  1" single-phase, 1-1/4" three-phase                1   (residential only)
                       5  Insulating busing                                  2   Meter
                       6  Six terminal meter base/socket with test switch space  Current transformer with meter
                                                                             3   circuit wiring
                       7  Rigid steel conduit, Sch 40 or Sch 80 PVC **
                       8  Insulating bushing                                     PSE owned but customer
                                                                                  purchased and installed
                          Current transformer enclosure (outside or in electric
                       9                                                         Conduit (required in
                          room)                                             15   residential plats)
                      10  45˚ or 90˚ bend - rigid steel, Sch 40 or Sch 80 PVC  16  Bell end
                          Line and load side connectors for service conductors
                      11  (2-bolt lugs)
                          Ground electrode and wire in accordance with
                      12
                          NEC/WAC
                      13  Current transformer mounting bracket
                      14  Bell end



               Electric Service Handbook 2017 — Single-Family Residential Projects                          23
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