Official-source review: August 25, 2026
Washington low voltage license: Washington regulates most low-voltage installation through the limited energy system 06 electrical specialty. The individual needs an 06 electrician certificate, and the business needs the matching specialty electrical contractor license with an assigned 06 administrator or appropriately qualified master electrician.

What the Washington low voltage license covers
Washington regulates most low-voltage installation through the limited energy system 06 electrical specialty. The individual needs an 06 electrician certificate, and the business needs the matching specialty electrical contractor license with an assigned 06 administrator or appropriately qualified master electrician.
- Fire-protection signaling and intrusion alarms.
- Telecommunications, amplified sound and public-address systems.
- Energy-management, HVAC control, industrial automation and lighting controls.
- Low-voltage circuits and limited like-in-kind cabinet connections described in WAC 296-46B-920.
Fire alarm work uses this same core route; see the Washington fire alarm guide.
Washington low voltage license requirements at a glance
| Requirement | Current rule or route |
|---|---|
| Route | Limited energy system specialty electrician (06) plus matching specialty electrical contractor license |
| Eligibility | 4,000 hours in limited-energy work under at least 75% required supervision, plus 48 hours of approved basic classroom instruction. |
| Exam | Washington limited energy system 06 examination; every section must be passed with at least 70%. |
| Fees | Current L&I application/certificate and PSI examination fees apply; the published 2026 journey-level or specialty original-certificate fee is $114.60. Business and permit fees are separate. |
| Bond or insurance | Electrical contractor business requires a $4,000 bond or assignment of savings and workers compensation when applicable. |
| Renewal | Individual 06 certificate every three years; electrical contractor license every two years. |
Do not treat this table as an approval notice. The agency, certification organization or local jurisdiction makes the final eligibility decision and may request additional evidence.
How to complete the Washington low voltage license process
- Confirm the correct credential and scope.
- Complete required training and experience.
- Pass the required examination.
- Submit the application and fees.
- Complete business licensing, bond and insurance requirements.
- Obtain permits and renew on time.
Keep copies of every experience certificate, examination result, bond or insurance filing and payment receipt. Names and business entities should match across the application and supporting documents.
Important Washington rules and boundaries
- 06 is restricted to low-voltage circuits except for the narrow cabinet provisions in rule.
- General line-voltage wiring requires 01 or another matching specialty.
- A telecommunications-only contractor does not automatically hold 06 alarm authority.
- Permits and fire-code approval can be local.
Washington may separate the credential held by a worker from the contractor license held by the business, while preserving local authority over permits and inspections. Confirm every applicable layer before bidding, advertising or beginning regulated work.
Washington low voltage license cost and renewal
Add training, examination, bond, equipment and local permitting costs.
Renew by the published deadline and retain all supporting records.
Government charges are only part of the expected cost. Training, examination preparation, fingerprints, surety premiums, insurance, equipment calibration and local permits can add to the total.
Washington low voltage license checklist
- Confirm that this credential matches the exact work you will perform.
- Check whether the applicant is an individual, sole owner or separate business entity.
- Collect experience and training records before submitting the application.
- Use the current official form and fee schedule.
- Complete every required examination or approved certification route.
- File bonds, insurance and fingerprints when applicable.
- Check county, city, water supplier and building-permit rules.
- Save the expiration date and renewal requirements.
Frequently asked questions
Is this credential statewide?
Yes; local permits and inspections remain separate.
Is an exam required?
Washington limited energy system 06 examination; every section must be passed with at least 70%.
When does it renew?
Individual 06 certificate every three years; electrical contractor license every two years.
Are local approvals separate?
Yes.
Official sources used
- L&I electrician specialties
- L&I electrical contractor
- Washington limited-energy scope
- Washington electrical fees
Verified licensing details
- Licensing authority
- Washington Department of Labor & Industries Electrical Program
- Fees
- Current L&I application/certificate and PSI examination fees apply; the published 2026 journey-level or specialty original-certificate fee is $114.60. Business and permit fees are separate.
- Experience
- 4,000 hours in limited-energy work under at least 75% required supervision, plus 48 hours of approved basic classroom instruction.
- Exams
- Washington limited energy system 06 examination; every section must be passed with at least 70%.
- Insurance or bond
- Electrical contractor business requires a $4,000 bond or assignment of savings and workers compensation when applicable.
- Continuing education
- Twenty-four approved continuing-education hours during each three-year electrician certificate cycle.
- Renewal period
- Individual 06 certificate every three years; electrical contractor license every two years.
Official sources
Official sources last checked August 24, 2026.
Requirements can change and local rules may apply. Confirm the current requirements with the official authority before paying a fee or beginning work.
