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Construction & Development Services > Electrical Installation Requirements

Electrical Installation Requirements

Tacoma Power’s Electrical Construction Standards are residential and commercial electrical construction and maintenance requirements.

  • A-UG-1150 – Precast Concrete Vault Applications & Spec. (Rev 8/8/24)
  • A-UG-1200 – Padmount Transformer, Location Reqmts. (Rev 1/15/26)
  • C-MR-0005 – Meter Socket Configuration (Rev 5/3/23)
  • C-MR-0006 – Meter Socket Adapters (Rev 12/30/25)
  • C-MR-0010–  Demand Pulse Devices (Rev 5/23/12)
  • C-MR-0015 – Customer-Owned Generation (Rev 3/31/26)
  • C-MR-0020 – Enclosed Meter Pedestal (Rev 4/10/23)
  • C-OH-1060 – Pole Attachment Reqmts. for Telecom (Rev 2/12/26)
  • C-OH-2000 – RF Antenna Installations (Rev 12/13/23)
  • C-OH-9000 – Clearance Reqmts. for OH Joint Utility Const. (Rev 12/13/23)
  • C-OH-9005 – Street Light Pole Attachment & Clearance (Rev 7/13/23)
  • C-OH-9020 – Clearances to Electrical Facilities Adjacent to Buildings/Structures (Rev 12/13/23)
  • C-SV-1200 – Residential UG Service Box (Rev 6/15/23)
  • C-SV-3000 – Customer-Owned Transformer Vault Room (Rev 8/24/23)
  • C-SV-3005 – Customer-Owned Primary Equipment (Rev 8/5/02)
  • C-SV-3200 – Commercial Secondary Service (Rev 7/13/23)
  • C-SV-4000 – Downtown Secondary Network Service (Rev 8/2/23)
  • C-SV-5100 – Voltage Flicker Limits (Rev 10/28/02)
  • C-UG-1100 – Conduit Installations (Rev 5/18/23)
  • C-UG-1150 – Custom Vault Installations (Rev 9/28/05)
  • C-UG-1200 – Pole Conduit Riser (Rev 3/14/23)
  • C-UG-1300 – Residential Joint Utility Trench (Rev 9/20/21)
  • C-UG-1400 – Padmount Equipment Guard Posts Instl. (Rev 1/2/02)
  • C-UG-1500 – Primary Junction Box Installation (Rev 7/12/22)
  • C-UG-1550 – Splice Vault Installation (Rev 6/15/17)
  • C-UG-1600 – Switchgear Vault Installation (Rev 2/20/2023)
  • C-UG-1700 – Transformer Vault Installation (Rev 5/18/23)
  • C-UG-2000 – Precast Concrete Vault Approved Vendors (Rev 8/8/24)
  • C-UG-2050 – Thermal Backfill for Underground Power Cable Installations (Rev 8/11/14)
  • C-UG-8000 – Vegetation Mgmt. for Underground Systems (Rev 8/28/12)

Tree Trimming

  • W-OH-0020 – Vegetation Mgmt. of Overhead Lines (Rev 5/17/04)

Click here for more info on requesting a tree service or removal.