Electrical Laws & Rules
Current electrical laws (RCW)
Chapter 19.28 RCW: ELECTRICIANS AND ELECTRICAL INSTALLATIONS (wa.gov)
Before printing, select PDF.
Exam friendly version: F500-143-000
Valid for current 2020 NEC exams. Updating exams to the 2023 NEC in 2025. Date TBD.
Current electrical rules (WAC)
Chapter 296-46B WAC: ELECTRICAL SAFETY STANDARDS, ADMINISTRATION, AND INSTALLATION
Before printing, select PDF.
Exam friendly version: F500-142-000
Valid for current 2020 NEC exams. Updating exams to the 2023 NEC in 2025. Date TBD.
NFPA codes and standards
Visit the website of the National Fire Protection Association (NFPA) for read-only access to the NFPA codes and standards adopted by L&I in Chapter 296-46B-010 WAC.
2025 Rulemaking
Electrical rules
L&I is considering amendments to the electrical rules.
The amendments under consideration include:
- Adopting the 2026 edition of the National Fire Protection Agency (NFPA) 70, the National Electrical Code (NEC) by reference with an effective date.
- Amending the NEC restriction for Washington to allow calculations for minimum conductor sizes to be calculated at a higher temperature rating.
- Clarifying the requirements for trainees to submit training hours.
- Additional changes for housekeeping.
The agency filed a CR-101 Preproposal Statement of Inquiry on May 6.
The changes affect rules under:
- WAC 296-46B-010, General.
- WAC 296-46B-334, Nonmetallic-sheathed cable.
- WAC 296-46B-942, Training certificate required.
Rulemaking documents
Notice of intent (05/06/2025)
CR-101 Preproposal Statement of Inquiry
Here's what happens next
- Sept. 2: The proposed rules (CR-102) are expected to be filed with the state Office of the Code Reviser.
- Oct. 7: A public hearing on the proposed rules is tentatively scheduled.
- Nov. 18: The final rules (CR-103), if adopted, are expected to be filed with the state Office of the Code Reviser.
- Dec. 19: The changes would take effect.
Fee increase
L&I has adopted fee increases by 6.41% to cover operating expenses, electrical inspections and other program public safety activities for the agency’s Electrical Program.
The agency filed a CR-103 Adoption Order on May 6. CR-102 Proposed Rulemaking on Feb. 18. The fee increase is the maximum allowed by the state Office of Financial Management for fiscal year 2026. It is based on the average personal income growth over the past decade. The adopted rule takes effect July 1, 2025.
The changes affect rules under:
- WAC 296-46B-906, Inspection Fees;
- WAC 296-46B-909, Electrical/telecommunications contractor's license, administrator certificate and examination, master electrician certificate and examination, electrician certificate and examination, copy, and miscellaneous fees; and
- WAC 296-46B-911, Electrical testing laboratory and engineer accreditation fees.
Rulemaking documents
Notice of intent (01/02/2025)
Proposed rule language (2/18/2025)
Final Adoption (05/06/2025)
Related resources
- Trades & Licensing Rules Under Development (listed alphabetically) to find electrical safety standards, administration, and installation.
- Current electrical rulemaking.
- Join the Electrical Bulletin to get email notices with important dates and other information about rule changes.
As new policies are approved, they will be posted here. Please check back on a regular basis.
Policy Number | Effective Date |
none current or pending | None as of 10/1/2013 |