Washington Nonresidential Maintenance Administrator: Requirements, Exam, Scope, and Study Guide

Washington's Nonresidential Maintenance Administrator is the specialty administrator credential connected to the broad 07 Nonresidential Maintenance classification. The administrator helps a matching electrical contractor follow Washington electrical laws, rules, specialty boundaries, permit requirements, inspection requirements, worker-certification rules, and the National Electrical Code requirements that affect maintenance work.

This is broader than 07C Restricted Nonresidential Maintenance. Full 07 may maintain, repair, and replace like-in-kind existing electrical equipment and conductors, and Washington also allows the classification to perform work defined in 07A, 07B, 07C, 07D, and 07E.

Start with the Washington Nonresidential Maintenance Administrator collection from 1ExamPrep. This guide covers eligibility, scope, crossover specialties, load-testing allowances, equipment-replacement rules, the current 67-question open-book exam, fees, renewal, continuing education, and study strategy.

What Does a Washington 07 Administrator Do?

Electrical administrators are contractor-compliance professionals. Washington requires electrical contracting companies to have an assigned certified administrator unless a designated master electrician fills that role.

A specialty administrator can be assigned only to a contractor holding the corresponding specialty. For 07, that means understanding both technical maintenance work and the legal limits that determine which projects the contractor may perform.

Administrator certification does not authorize hands-on electrical work by itself. A person who performs electrical work must separately hold the appropriate electrician certification and work under the applicable contractor requirements.

No Experience Is Required Before the Administrator Exam

Washington currently has no prerequisites for taking an electrical administrator examination. Administrator candidates schedule directly with PSI and do not need Labor & Industries exam approval first.

No Experience Prerequisite

Administrator Eligibility

You do not need documented electrician work hours before testing.

Direct to PSI

No L&I Preapproval

Administrator candidates currently schedule directly with PSI.

1 Year

Complete All Sections

All required administrator sections must be passed within the applicable one-year exam period.

Specialty Assignment

Match the Contractor

A specialty administrator can only be assigned to a contractor with the same specialty.

What Is the 07 Nonresidential Maintenance Scope?

Washington defines 07 Nonresidential Maintenance as work limited to the maintenance, repair, and replacement of like-in-kind existing electrical equipment and conductors.

This is broader than 07C because full 07 can work on existing conductors as part of qualifying maintenance, repair, and replacement. It is still a maintenance classification, not a new-construction license with a clever name tag.

The administrator should learn to distinguish maintenance from redesign, replacement from expansion, and existing-system work from new installation.

Temporary Load-Testing Conductors Are Included

Washington allows the 07 specialty to install and connect temporary conductors and equipment for load-testing purposes, not exceeding 600 volts.

This allowance is tied to load testing. It should not be treated as a general permission to install temporary power for unrelated construction work.

Remember the purpose: temporary conductors and equipment are allowed for load testing, not as a shortcut around permanent-installation requirements.

Lower-Rated Overcurrent or Overload Devices May Be Used With Certain Replacement Equipment

When replacement equipment has a lower ampere rating than the equipment being replaced, full 07 may replace the overcurrent or overload protective device with a lower-rated device that matches the new equipment nameplate, provided the ampacity rating of the existing conductors is not modified.

The rule is tied to the replacement equipment. It does not create a general circuit-redesign permission.

Full 07 Includes Five Crossover Specialties

Washington expressly allows full 07 Nonresidential Maintenance to perform work defined in:

  • 07A Nonresidential Lighting Maintenance and Lighting Retrofit
  • 07B Residential Maintenance
  • 07C Restricted Nonresidential Maintenance
  • 07D Appliance Repair
  • 07E Equipment Repair

This broad crossover is one reason the full 07 administrator exam is much larger than the related 07A through 07E specialty administrator exams.

What the 07A, 07B, 07C, 07D, and 07E Crossovers Add

07A Lighting Maintenance and Retrofit

07A covers maintenance, repair, service, ballast or socket replacement, and qualifying energy-efficiency retrofit work inside existing nonresidential luminaires. It does not authorize new branch circuits or general new-luminaire installation.

07B Residential Maintenance

07B covers qualifying maintenance and like-in-kind replacement in specified residential occupancies. It is generally limited to 250 volts, 60 amperes, single phase and includes a six-foot control and supply-whip allowance.

07C Restricted Nonresidential Maintenance

07C covers like-in-kind maintenance of existing utilization equipment under tighter limits, including 277 volts and 20 amperes for lighting branch circuits and 250 volts and 60 amperes for other qualifying circuits. Circuit-breaker repair or replacement is excluded from 07C.

07D Appliance Repair

07D covers qualifying self-contained appliances and small utilization equipment, including internal component replacement and limited equipment-connection work.

07E Equipment Repair

07E covers servicing, maintaining, repairing, or replacing utilization equipment under Washington's equipment-repair scope.

Full 07 Is Still a Maintenance Classification

Full 07 is broad, but it is not unlimited. The core work remains maintenance, repair, and like-in-kind replacement of existing electrical equipment and conductors, plus the specific crossover and load-testing allowances Washington grants.

New services, new feeders, major system expansion, and unrelated new construction should not be treated as ordinary 07 maintenance simply because the contractor is already on site.

A useful question: Is this still maintenance of what already exists, or has the project turned into a new installation?

The Current 07 Administrator Exam at a Glance

50 Questions

NEC & Theory

The current technical section contains about 50 scored questions.

3 Hours

Technical Time

Candidates receive three hours for NEC & Theory.

17 Questions

Washington Codes

The state-law section contains 17 scored questions.

1 Hour

Washington Codes Time

Candidates receive one hour for Washington laws and rules.

Published total: 67 scored questions over 4 testing hours. The current passing score is 70 percent.

Current 07 Administrator Exam Blueprint

Knowledge AreaApprox. Questions
NEC 90 - Introduction1
NEC 100-110 - General Requirements2
NEC 200-225, 280-285 - Wiring & Protection1
NEC 230 - Services2
NEC 240 - Overcurrent Protection4
NEC 250 - Grounding & Bonding4
NEC 300-398 - Wiring Methods6
NEC 400-427, 455-480 - Electrical Equipment4
NEC 430-450 - Motors, HVAC, Generators & Transformers4
NEC 490 - Equipment Over 600 Volts2
NEC 500-516 - Hazardous Locations3
NEC 517-590 - Special Occupancies2
NEC 600-695 - Special Equipment3
NEC 700-702 - Emergency & Standby Systems3
NEC 705-780 - Special Conditions2
NEC 800-830 - Communication Systems1
General Trade Knowledge & Theory6
Total NEC & Theory50
Washington Laws & Rules17

Wiring Methods and General Trade Knowledge & Theory are the largest individual areas at about six questions each. Overcurrent Protection, Grounding & Bonding, Electrical Equipment, and Motors/HVAC/Generators/Transformers contribute about four each.

Wiring Methods Are About Six Questions

NEC 300-398 is the largest named NEC category. Review conductor protection, boxes and fittings, raceways, flexible connections, wet and damp locations, securing and support, physical-damage protection, and existing wiring methods. Maintenance work often begins with an old installation, not a blank wall.

General Trade Knowledge and Theory Are About Six Questions

Review voltage, current, resistance, power, Ohm's law, AC theory, series and parallel circuits, measurements, equipment ratings, troubleshooting logic, motor and control fundamentals, and common trade calculations. Fast theory skills save open-book lookup time.

Overcurrent Protection and Grounding & Bonding Are About Four Questions Each

NEC 240 and NEC 250 are major study areas. Review fuse and breaker ratings, conductor and equipment protection, equipment grounding conductors, bonding paths, fault-current paths, and metal enclosures. Also understand the full 07 rule for reducing protective-device ratings when lower-rated replacement equipment requires it and existing conductor ampacity is unchanged.

Electrical Equipment and Motors Are About Four Questions Each

Review equipment nameplates, disconnecting concepts, flexible cords, motor ratings, overload protection, contactors, relays, transformers, generators, and replacement boundaries. These topics fit the real-world commercial and industrial maintenance environment.

Hazardous Locations, Special Equipment, and Emergency Systems Are About Three Questions Each

NEC 500-516, NEC 600-695, and NEC 700-702 each contribute about three questions. Learn how maintenance rules interact with hazardous areas, specialty equipment, emergency systems, legally required standby systems, and optional standby systems.

Equipment Over 600 Volts Is Also Tested

The current outline assigns about two questions to NEC 490. Full 07 can encounter larger nonresidential equipment, so do not build a study plan around residential voltage levels. Learn the article's organization and major equipment concepts.

The Washington Codes Section Has 17 Questions

The Washington Codes section contains 17 questions and allows one hour. For an administrator, this is a major part of the credential because the job is fundamentally about contractor compliance.

  • Chapter 19.28 RCW
  • Chapter 296-46B WAC
  • WAC 296-46B-920 07 scope and crossover specialties
  • Administrator certification and assignment
  • Electrical contractor licensing
  • Electrician and trainee certification
  • Permits and inspections
  • Examination procedures
  • Enforcement and penalties
  • Renewal and continuing education

The Current Exam Is Open Book

PSI currently identifies Washington electrical examinations as open book. The current testing references are the 2020 National Electrical Code, current RCW 19.28, and current WAC 296-46B.

Original copyrighted references may be highlighted, underlined, and permanently tabbed. Printed Washington law and rule material may be used when prepared in the permitted binder format. Removable tabs, sticky notes, handwritten notes, and writing in references during testing are prohibited.

Exam NEC vs. Current Field NEC

Washington currently uses the 2023 NEC for field installations and inspections. L&I has adopted the 2026 NEC with a delayed effective date of December 31, 2026.

The current PSI licensing-exam bulletin still uses the 2020 NEC.

  • For exam preparation: follow the current PSI and L&I testing-reference instructions.
  • For field compliance: follow the NEC edition and Washington amendments currently in force for actual installations.
Recheck the official exam bulletin shortly before testing. Field-code adoption and exam-reference changes do not always happen together.

The Three Core Administrator References

  • 2020 National Electrical Code for the current exam
  • RCW Chapter 19.28
  • WAC Chapter 296-46B

The Washington General Administrator Book Package contains these same three core references. It is broader than the 07 exam, so use the current 07 blueprint and specialty scope to focus your study.

Open-Book Strategy for a Four-Hour Exam

  1. Learn the full 07 scope first. Know existing equipment and conductors, load testing, and the lower-rated protective-device rule.
  2. Study all five crossover specialties. Know what 07A, 07B, 07C, 07D, and 07E add.
  3. Tab NEC 240, 250, and the 300-series wiring-method sections you use most.
  4. Practice motors, equipment, hazardous locations, special equipment, and emergency systems.
  5. Answer routine theory questions without a book whenever possible.
  6. Know RCW 19.28 and WAC 296-46B administrator and contractor rules.
  7. Take 50-question technical practice sections in three hours.
  8. Take 17-question Washington Codes practice sections in one hour.

Scheduling, Fees, Assignment, and Renewal

Administrator candidates currently schedule directly with PSI without L&I examination preapproval. The 07 Administrator exam totals four testing hours, and PSI's current time-based schedule lists $75 for a four-hour examination.

Washington's current fee schedule lists the original electrical administrator certificate at $160.00, assignment or unassignment of a master/administrator designation at $53.00, online renewal at $175.70, and mail/fax/in-person renewal at $202.20.

Administrator certificates renew every three years and expire on the holder's birthdate. A normal three-year renewal currently requires 24 hours of approved continuing education, including at least 8 hours of code update and 4 hours of RCW/WAC review.

A Practical 07 Administrator Study Plan

  1. Start with WAC 296-46B-920 and learn the full 07 scope.
  2. Study the 07A, 07B, 07C, 07D, and 07E crossover categories.
  3. Memorize the 600-volt load-testing limit and the lower-rated protective-device replacement rule.
  4. Practice NEC 300-398 Wiring Methods.
  5. Practice General Trade Knowledge & Theory.
  6. Study NEC 240 and NEC 250.
  7. Review motors, equipment, hazardous locations, special equipment, and emergency systems.
  8. Do not skip NEC 490 Equipment Over 600 Volts.
  9. Study contractor licensing, administrator assignment, permits, inspections, and certification rules.
  10. Take full timed 50-question NEC/Theory and 17-question Washington Codes practice sections.

For licensing support, review 1ExamPrep application services. For books, testing costs, and licensing expenses, review 1ExamPrep financing options.

Frequently Asked Questions

It is the specialty administrator certificate tied to Washington's 07 Nonresidential Maintenance classification. The administrator helps a matching contractor comply with electrical laws, rules, scope, permits, inspections, and worker-certification requirements.

No. Washington currently has no prerequisites to take an electrical administrator examination.

No. Administrator candidates currently schedule directly with PSI without prior Labor & Industries exam approval.

No. Administrator certification by itself does not authorize hands-on electrical work. You must separately hold the appropriate electrician certification.

Full 07 is limited to maintenance, repair, and like-in-kind replacement of existing electrical equipment and conductors, plus specific load-testing and replacement-equipment allowances and the crossover work defined for 07A through 07E.

Yes. Washington allows temporary conductors and equipment for load testing up to 600 volts.

Yes, when the existing conductor ampacity is not modified and the lower-rated protective device matches the replacement equipment nameplate.

07A Nonresidential Lighting Maintenance and Lighting Retrofit, 07B Residential Maintenance, 07C Restricted Nonresidential Maintenance, 07D Appliance Repair, and 07E Equipment Repair.

The current published outline has about 50 NEC and Theory questions plus 17 Washington Codes questions, for 67 scored questions.

Three hours for NEC and Theory and one hour for Washington Codes.

Yes. PSI currently identifies Washington electrical examinations as open book, subject to the testing-center reference rules.

The current PSI bulletin uses the 2020 National Electrical Code. Washington field installations currently use the 2023 NEC.

The current passing standard is 70 percent on each required exam section.

Every three years on the holder's birthdate, with current continuing-education requirements.

Start with the 1ExamPrep Washington Nonresidential Maintenance Administrator collection and the Washington General Administrator Book Package for the 2020 NEC, RCW 19.28, and WAC 296-46B.

Conclusion

The Washington Nonresidential Maintenance Administrator credential is a specialty compliance certificate for contractors performing maintenance, repair, and like-in-kind replacement of existing electrical equipment and conductors. It is broader than the restricted maintenance classifications, but it remains a maintenance credential rather than a general new-construction license.

Administrator candidates do not need documented electrician experience before testing. Washington currently allows candidates to schedule directly with PSI. That makes access to the exam simple, but the material itself is broad.

The scope includes maintenance of existing equipment and conductors, temporary conductors and equipment for load testing up to 600 volts, and a practical replacement rule that allows a lower-rated overcurrent or overload device when new replacement equipment has a lower ampere rating and existing conductor ampacity is unchanged.

Full 07 also includes the work defined in 07A, 07B, 07C, 07D, and 07E. That crossover reaches nonresidential lighting maintenance, residential maintenance, restricted nonresidential maintenance, appliance repair, and equipment repair. Administrators therefore need to understand much more than one narrow type of service call.

The current exam contains about 50 NEC and Theory questions in three hours plus 17 Washington Codes questions in one hour. The published total is 67 scored questions across four testing hours.

Wiring Methods and General Trade Knowledge & Theory are the largest individual categories at about six questions each. Overcurrent Protection, Grounding & Bonding, Electrical Equipment, and Motors/HVAC/Generators/Transformers contribute about four each. Hazardous Locations, Special Equipment, and Emergency & Standby Systems are also meaningful parts of the blueprint.

The exam is open book. The current PSI bulletin uses the 2020 National Electrical Code, current RCW 19.28, and current WAC 296-46B. Washington field installations currently use the 2023 NEC, with the 2026 NEC scheduled to replace it on December 31, 2026. Candidates should always verify the current exam reference shortly before testing.

The administrator role is not hands-on electrical authority. It is a contractor-compliance role. If you also want to perform electrical work, you need the appropriate electrician certification.

PSI currently lists $75 for a four-hour exam. Washington currently lists $160 for the original administrator certificate, $53 for assignment or unassignment, $175.70 for online renewal, and $202.20 for renewal by mail, fax, or in person.

Administrator certificates renew every three years on the holder's birthdate. A normal renewal period currently requires 24 hours of approved continuing education, including at least eight hours of NEC code update and four hours of RCW/WAC review.

Strong preparation combines technical maintenance knowledge with contractor-level judgment. Learn how the systems work, learn what the NEC requires, learn the crossover specialties, and learn where maintenance ends and new construction begins. That last line is where a good administrator earns the title.

Key Takeaways

  • Washington 07 Administrator candidates currently have no work-experience prerequisite and may schedule directly with PSI.
  • The current exam has about 50 NEC/Theory questions in 3 hours plus 17 Washington Codes questions in 1 hour, for 67 published scored questions.
  • Full 07 covers like-in-kind maintenance of existing electrical equipment and conductors and may also perform work defined in 07A, 07B, 07C, 07D, and 07E.
  • The exam is open book and currently uses the 2020 NEC plus current RCW 19.28 and WAC 296-46B, while Washington field rules currently use the 2023 NEC.
  • The original administrator certificate currently costs $160 and renews every 3 years with 24 hours of approved continuing education.

Plain-Language Summary

Washington's Nonresidential Maintenance Administrator certificate is for people who help a 07 specialty electrical contractor stay compliant.

You do not need electrician work experience before taking the administrator exam, and administrator candidates currently schedule directly with PSI.

The administrator certificate does not let you personally perform electrical work unless you also hold the correct electrician certification.

Full 07 Nonresidential Maintenance covers maintenance, repair, and like-in-kind replacement of existing electrical equipment and conductors.

The specialty can install temporary conductors and equipment for load testing up to 600 volts. It can also use a lower-rated overcurrent or overload protective device when lower-rated replacement equipment requires it, as long as existing conductor ampacity is not changed.

Full 07 may also perform work defined for 07A lighting maintenance and retrofit, 07B residential maintenance, 07C restricted nonresidential maintenance, 07D appliance repair, and 07E equipment repair.

The current 07 Administrator exam has 50 NEC and Theory questions and gives you three hours. The Washington Codes section has 17 questions and gives you one hour. That is 67 published scored questions over four testing hours.

Wiring Methods and General Trade Knowledge & Theory are the largest individual areas at about six questions each. Overcurrent Protection, Grounding & Bonding, Electrical Equipment, and Motors/HVAC/Generators/Transformers are about four each.

The exam is open book and currently uses the 2020 National Electrical Code, current RCW 19.28, and current WAC 296-46B.

Washington field installations currently use the 2023 NEC, and the 2026 NEC is scheduled to replace it on December 31, 2026. Always check the live exam bulletin before testing.

PSI currently lists $75 for a four-hour exam. Washington currently lists $160 for the original administrator certificate, $53 for assignment or unassignment, $175.70 for online renewal, and $202.20 for renewal by mail, fax, or in person.

The administrator certificate renews every three years on your birthdate. A normal three-year renewal currently requires 24 hours of approved continuing education, including eight hours of NEC code update and four hours of RCW/WAC review.

Use the Washington Nonresidential Maintenance Administrator collection from 1ExamPrep to organize your preparation around scope, crossover specialties, technical maintenance knowledge, Washington law, and open-book reference navigation.