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City of Lacey (WA)

Washington Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2020
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted

Codes

NEC Code Version
2020
Fire Code Version
2018 Building Code
Code List

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL RESIDENTIAL CODE

2021 UNIFORM PLUMBING CODE

2021 INTERNATIONAL FIRE CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL FUEL GAS CODE

2021 INTERNATIONAL PERFORMANCE CODE FOR BUILDINGS AND FACILITIES

2021 INTERNATIONAL EXISTING BUILDING CODE

2021 INTERNATIONAL PROPERTY MAINTENANCE CODE

2021 WA STATE ENERGY CODE

2020 NATIONAL ELECTRICAL CODE AS AMENDED BY THE STATE DEPARTMENT OF LABOR AND INDUSTRIES AND THE CITY OF LACEY (WAC 296-46B AND LMC 14.13)

2009 ICC A117.1

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
Revision Required
0
New Planset Required For Module Swap
0

Structural & loads

Wind Speed
85
Wind Notes


Snow Load
25
Snow Load Notes

Ground Snow Load:  25 psf

Roof Snow Load: 25 psf

Reducible Snow Load Allowed
1
Max Attachment Spacing
96

Electrical

Allowed POI
Load Side Taps,PV Breaker,Line Side Taps,Meter Adapter
Supply Tap Neutral Ground Bond Required
1

Plan set

Plan Set Requirements

For all Trenches

  • 2 Disconnects required - one at each end of trench
  • Required for AC or DC trenches
Electrical Diagram

For all Line Side Connections:

  • Neutral and ground bonded in fused disconnect
  • #6 bare copper run from N/G bar to (E) MSP's GEC and crimped
  • Schedule 80 PVC must be used in between fused disconnect and MSP - only showing 2 hots and neutral
  • All other conduit can be EMT

For all Load Side Taps:

  • Schedule 80 PVC must be used in between disconnect and MSP
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Lacey (WA) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.