Washington Residential Maintenance Administrator 07B Book Package

Prepare for the Washington Residential Maintenance Administrator examination with a focused reference package built around the electrical code, Washington electrical law, and state administrative rules used for the 07B Residential Maintenance specialty. This package includes the Revised Code of Washington (RCW) Chapter 19.28, Washington Administrative Code (WAC) Chapter 296-46B, and the National Electrical Code, NEC, 2020 Edition.

Washington officially identifies this specialty as 07B Residential Maintenance. It covers defined maintenance, repair, and like-in-kind replacement work involving existing electrical utilization equipment in qualifying residential occupancies. The classification has specific limits involving voltage, amperage, phase, equipment, wiring, and the locations where work may be performed.

The Washington 07B Administrator examination combines National Electrical Code knowledge, electrical theory, and Washington-specific electrical laws and rules. Candidates should be prepared for questions involving general NEC requirements, wiring and protection, overcurrent protection, grounding and bonding, wiring methods, electrical equipment, motors and HVAC equipment, special equipment, emergency and standby systems, special conditions, and Washington administrative requirements.

Electrical administrators have an important compliance role in Washington. An administrator assigned to an electrical contractor helps ensure that the contractor follows Washington electrical laws and rules and performs work within the contractor's authorized classification. A specialty administrator may only be assigned to an electrical contractor holding the corresponding specialty, which makes a clear understanding of the 07B scope especially important.

Washington electrical administrator examinations are open book. Approved references may be used during testing, so candidates should develop efficient reference-navigation skills before examination day. Knowing whether a question is most likely answered by the NEC, RCW Chapter 19.28, or WAC Chapter 296-46B can make the open-book format much more useful.

This package brings together the three primary references needed for structured preparation. The NEC provides national technical requirements, RCW Chapter 19.28 establishes Washington electrical law, and WAC Chapter 296-46B contains detailed rules governing electrical administrators, specialty classifications, contractors, examinations, permits, inspections, certification, and electrical installations.

What You Get

• Revised Code of Washington (RCW) Chapter 19.28
  Washington electrical law covering administrators, electricians, electrical contractors, certification, electrical installations, enforcement, responsibilities, and other statutory requirements affecting electrical work throughout the state.
• Washington Administrative Code (WAC) Chapter 296-46B
  Washington's detailed electrical safety, administrator, contractor, examination, specialty-scope, permit, inspection, certification, and installation rules. This reference defines the 07B Residential Maintenance specialty and its authorized work.
• National Electrical Code, NEC, 2020 Edition
  The NEC edition used for the Washington electrical examination program covered by this package. It provides technical requirements for wiring and protection, overcurrent protection, grounding and bonding, wiring methods, electrical equipment, motors, HVAC equipment, special equipment, emergency systems, and other residential electrical subjects.

Exam Details

The Washington 07B Residential Maintenance Electrical Administrator examination contains two required sections: NEC & Theory and Washington Codes.

• NEC & Theory: Approximately 30 questions
• Time Allowed for NEC & Theory: 2 hours
• Washington Codes: Approximately 17 questions
• Time Allowed for Washington Codes: 1 hour
• Total Questions: Approximately 47 questions across both sections
• Total Testing Time: Approximately 3 hours across both sections
• Passing Score: 70% or greater on each required examination section
• Exam Type: Open book
• Testing Provider: PSI
• Primary Code Reference: National Electrical Code, NEC, 2020 Edition

The published NEC & Theory outline includes approximately one question from NEC Article 90, two from NEC Articles 100 through 110, two involving wiring and protection, three involving overcurrent protection, three involving grounding and bonding, three involving wiring methods, three involving electrical equipment, three involving motors, HVAC equipment, generators and transformers, two involving special equipment, two involving emergency and standby systems, one involving special conditions, and approximately five involving general trade knowledge and electrical theory.

The Washington Codes section contains approximately 17 questions involving Washington laws and administrative rules. Candidates should study administrator certification, contractor responsibilities, specialty scope, examinations, permits, inspections, assignments, and other requirements contained in RCW Chapter 19.28 and WAC Chapter 296-46B.

Open Book Test

The Washington Residential Maintenance Administrator examination is an open book test. Washington Labor & Industries permits approved reference materials in the testing center under established examination rules.

The 2020 National Electrical Code may be used during testing. Permanent index tabs are acceptable, while removable tabs, sticky notes, and handwritten notes are prohibited. Original copyrighted reference materials may contain highlighting, underlining, and permanent index tabs when they otherwise comply with examination requirements.

Printed copies of RCW Chapter 19.28 and WAC Chapter 296-46B may also be brought into the examination. Printed Washington electrical laws and rules should be hole-punched and placed in a three-ring binder.

Because the NEC & Theory section contains approximately 30 questions in two hours, candidates should practice locating frequently tested material efficiently. Overcurrent protection, grounding and bonding, wiring methods, electrical equipment, motors, HVAC equipment, special equipment, and emergency systems deserve focused study.

The Washington Codes section also requires strong familiarity with the state references. Candidates should know where to find the 07B scope, administrator requirements, contractor rules, certification provisions, examination requirements, permits, and inspection rules.

Licensing Steps

Washington electrical administrator certification is administered through the Washington State Department of Labor & Industries. Administrator candidates follow a different testing pathway from electricians and Master Electricians because no prior L&I examination approval is required before an administrator candidate registers with PSI.

1. Select the 07B Residential Maintenance Administrator classification. This specialty administrator credential corresponds to Washington's Residential Maintenance electrical contractor classification.
2. Register directly with PSI. Electrical administrator candidates do not need prior examination approval from Washington Labor & Industries.
3. Prepare for NEC & Theory. Study the 2020 NEC with emphasis on the technical areas identified in the 07B administrator examination outline.
4. Prepare for Washington Codes. Study RCW Chapter 19.28 and WAC Chapter 296-46B with particular attention to administrators, contractors, specialty scope, permits, inspections, and examinations.
5. Take all required examination sections. The first examination attempt begins the one-year administrator examination period.
6. Pass each section with at least 70%. Each required examination section must be passed independently.
7. Retake failed sections when necessary. During the same one-year examination period, sections already passed do not have to be repeated.
8. Complete all sections within one year. Candidates must pass every required section during the applicable examination period.
9. Apply for the Administrator certificate. After passing all sections, submit the required passing score reports and certification materials to Washington Labor & Industries.
10. Submit the certification materials within 90 days. The administrator application materials must be received within the required period following the final passing examination score.

State Requirements

Washington identifies Residential Maintenance as electrical specialty classification 07B. There are no experience prerequisites to take the electrical administrator examination. A candidate does not need to hold an electrician certificate or document a specific number of work hours before registering for the 07B Administrator exam.

Administrator certification alone does not authorize a person to perform electrical installation work. Anyone working with the tools of the electrical trade must separately hold the appropriate Washington electrician certification.

A specialty administrator may only be assigned to an electrical contractor holding the corresponding specialty. A 07B Residential Maintenance Administrator therefore serves within the Residential Maintenance contractor classification rather than providing unrestricted general electrical contracting authority.

The 07B specialty is limited to residential dwellings as defined by Washington rules, multistory dwelling structures with no commercial facilities, and the interior of dwelling units in multistory structures that include commercial facilities.

The specialty may maintain, repair, or replace like-in-kind existing electrical utilization equipment. It also includes qualifying permit-exempt electrical work authorized under Washington rules.

Residential Maintenance work is limited to equipment and circuits with a maximum rating of 250 volts, 60 amperes, and single phase. These electrical limits are central to the 07B classification and should be understood thoroughly by administrator candidates.

The specialty may disconnect and reconnect low-voltage control wiring and line-voltage supply whips that are not more than six feet in length, provided the work does not modify the characteristics of the branch circuit or the whip.

For purposes of the 07B specialty, electrical equipment does not include electrical conductors, raceway systems, or conduit systems located externally to the equipment or supply whip. This restriction helps define the difference between permitted equipment maintenance and general electrical installation work.

The specialty does not authorize unrestricted installation of branch circuits, feeders, services, raceways, or new electrical wiring. Projects extending beyond qualifying maintenance, repair, like-in-kind replacement, and approved supply-whip work may require another electrical classification.

Washington also specifies that the Residential Maintenance specialty cannot perform plumbing work regulated under state plumbing law. Electrical administrator certification does not replace any separate plumbing credential required for plumbing activities.

These limits are particularly important for an administrator because the administrator helps ensure that the contractor remains within its licensed scope. Understanding what 07B permits is only part of the job; recognizing work that exceeds the specialty is equally important.

Reference Books

• Revised Code of Washington (RCW) Chapter 19.28
  This reference contains Washington electrical statutes governing administrators, electrical contractors, electricians, certification, electrical installations, enforcement, and related legal responsibilities within the state's electrical licensing system.
• Washington Administrative Code (WAC) Chapter 296-46B
  This reference contains administrator rules, contractor requirements, specialty classifications, examinations, permits, inspections, certification requirements, and the detailed scope of the 07B Residential Maintenance specialty.
• National Electrical Code, NEC, 2020 Edition
  The NEC provides technical electrical requirements for wiring and protection, overcurrent protection, grounding and bonding, wiring methods, electrical equipment, motors, HVAC equipment, special equipment, emergency systems, and residential maintenance-related electrical work.

Candidates should work with all three references throughout preparation. A technical equipment question may point toward the NEC, while a question involving specialty authority, administrator responsibility, contractor assignment, or Washington licensing requirements may require the RCW or WAC.

Exam Room Approved Books

• National Electrical Code, NEC, 2020 Edition
  The 2020 NEC is permitted during Washington electrical examinations. Permanent index tabs, highlighting, and underlining are allowed under applicable testing rules, while handwritten notes, removable tabs, and sticky notes are prohibited.
• Revised Code of Washington (RCW) Chapter 19.28
  Printed copies of Washington electrical law may be brought into the examination when prepared according to Labor & Industries testing requirements.
• Washington Administrative Code (WAC) Chapter 296-46B
  Printed copies of Washington electrical rules may be used during testing when prepared according to the applicable examination requirements.

Using the same references throughout preparation and on examination day can help candidates become familiar with article numbers, definitions, specialty rules, tables, and common code locations.

Test Information and Study Materials

General NEC Requirements: Review definitions, listed and labeled equipment, installation and use requirements, equipment approval, electrical connections, and other foundational NEC provisions.

Wiring and Protection: Study branch circuits, conductor requirements, wiring protection, identification, and provisions that affect residential utilization equipment.

Overcurrent Protection: Review breakers, fuses, conductor protection, equipment ratings, branch-circuit protection, and requirements affecting replacement electrical equipment.

Grounding and Bonding: Study equipment grounding conductors, bonding, grounding continuity, equipment enclosures, raceways, and grounding requirements associated with residential utilization equipment.

Wiring Methods: Review cables, raceways, boxes, fittings, flexible wiring methods, supports, conductor protection, and equipment connections. Even though 07B restricts external conductor and raceway work, candidates still need technical knowledge of the applicable NEC requirements.

Electrical Equipment: Review utilization equipment, flexible cords, appliances, equipment connections, switches, receptacles, and other provisions relevant to residential maintenance.

Motors and HVAC Equipment: Study motors, controllers, overload protection, disconnecting means, heating and cooling equipment, and electrical connections encountered in residential maintenance work.

Special Equipment: Review NEC requirements affecting specialized residential electrical equipment, including equipment addressed in NEC Articles 600 through 695.

Emergency and Standby Systems: Study generators, optional standby systems, transfer equipment, and related residential backup-power requirements.

Special Conditions: Review NEC requirements that apply to interconnected electrical systems and other special conditions that may affect residential maintenance work.

General Trade Knowledge and Theory: Practice voltage, current, resistance, power, Ohm's law, series and parallel circuits, basic calculations, troubleshooting principles, and other electrical theory concepts.

Washington 07B Scope: Know the 250-volt, 60-ampere, single-phase limits and the six-foot supply-whip allowance. Understand the restriction on external conductors, raceways, and conduit systems.

Administrator Responsibilities: Study contractor assignments, specialty limitations, administrator certification, permits, inspections, examination procedures, and Washington contractor compliance requirements.

A productive study routine is to separate practice questions by reference. Identify whether a question is likely to be answered by the NEC, RCW, or WAC before opening the book. This builds both subject knowledge and faster navigation habits for open-book testing.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps Washington Residential Maintenance Administrator candidates organize preparation around the three core references included in this package: the 2020 National Electrical Code, RCW Chapter 19.28, and WAC Chapter 296-46B.

The package supports trade-focused review of wiring and protection, grounding and bonding, overcurrent protection, electrical equipment, motors, HVAC systems, special equipment, emergency systems, electrical theory, Residential Maintenance specialty limitations, and Washington administrator requirements.

1 Exam Prep encourages practice-oriented preparation for the open-book examination. Candidates can strengthen reference-navigation skills by identifying the subject of each question, selecting the correct reference, locating the controlling provision, and applying it efficiently.

Administrator candidates need both technical electrical knowledge and a clear understanding of Washington contractor regulations. Technical knowledge of residential equipment must be combined with familiarity with specialty scope, permits, inspections, contractor assignments, and administrator responsibilities.

Washington-specific preparation is especially important for 07B because the specialty has defined limitations involving occupancy, voltage, amperage, phase, supply whips, conductors, and raceways. Knowing those boundaries helps candidates prepare for the Washington Codes section and for contractor compliance responsibilities.

The goal is to combine practical residential maintenance knowledge with structured study, stronger code familiarity, Washington regulatory awareness, and confidence-building reference practice. This Washington Residential Maintenance Administrator 07B Book Package provides the core materials needed to support that preparation.

Frequently Asked Questions

What is the official Washington classification for Residential Maintenance?

Washington identifies Residential Maintenance as electrical specialty classification 07B.

What books are included in this package?

This package includes RCW Chapter 19.28, WAC Chapter 296-46B, and the 2020 National Electrical Code.

Is the Washington 07B Administrator exam open book?

Yes. Washington electrical administrator examinations are open book under the applicable examination rules.

How many questions are on the 07B Administrator examination?

The published examination outline lists approximately 30 NEC & Theory questions and 17 Washington Codes questions, for approximately 47 questions total.

How much testing time is allowed?

The NEC & Theory section allows approximately 2 hours, and the Washington Codes section allows approximately 1 hour.

What score is required to pass?

Washington requires a score of at least 70% on each required examination section.

Do I need electrical experience before taking the Administrator exam?

No. Washington does not require experience prerequisites before taking an electrical administrator examination.

Do I need L&I approval before registering with PSI?

No. Electrical administrator candidates may register directly with PSI without prior examination approval from Washington Labor & Industries.

How long do I have to pass all required exam sections?

Administrator candidates must pass all required examination sections within the applicable one-year examination period.

How soon must I apply for certification after passing?

The required administrator certification materials must be submitted to Washington Labor & Industries within the applicable 90-day period following the final passing score.

Can a 07B Administrator personally perform electrical installation work?

Administrator certification alone does not authorize electrical installation work. A person performing electrical work must separately hold the appropriate Washington electrician certification.

What electrical limits apply to the 07B specialty?

The Residential Maintenance specialty is limited to equipment and circuits with a maximum rating of 250 volts, 60 amperes, and single phase.

Can a 07B contractor reconnect equipment supply whips?

The specialty may disconnect and reconnect qualifying low-voltage control and line-voltage supply whips not exceeding six feet in length when the branch circuit and whip characteristics are not modified.

Can a 07B contractor perform unrestricted new electrical wiring?

No. The 07B Residential Maintenance classification is a specialty credential and does not provide unrestricted authority for new branch circuits, feeders, services, or general wiring installations.

Can a 07B Administrator serve as administrator for a general electrical contractor?

A specialty administrator may only be assigned to an electrical contractor holding the corresponding specialty. The 07B Administrator certificate corresponds to the Residential Maintenance specialty.

Can I use the 2020 NEC during the examination?

Yes. The Washington electrical examination program covered by this package permits the 2020 National Electrical Code.

Can I bring RCW 19.28 and WAC 296-46B into the examination?

Yes. Printed copies of both Washington electrical references may be used when prepared according to Labor & Industries testing requirements.

Who administers the Washington 07B Administrator examination?

Washington electrical administrator examinations are administered through PSI.

What should I focus on while studying?

Focus on overcurrent protection, grounding and bonding, wiring methods, electrical equipment, motors and HVAC equipment, special equipment, emergency systems, electrical theory, 07B specialty limitations, administrator responsibilities, and Washington electrical laws and rules.