Washington Door, Gate & Similar Systems Master Electrician Book Package

Prepare for the Washington Door, Gate & Similar Systems Master Electrician examination with a focused reference package built around the electrical code, Washington electrical law, and state administrative rules used for the 10 Door, Gate & Similar Systems 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 identifies this specialty as 10 Door, Gate & Similar Systems. The classification covers defined electrical operator wiring and equipment associated with electric gates, doors, windows, awnings, movable partitions, curtains, and similar electrically operated systems. The specialty includes specific low-voltage systems, certain branch circuits originating at listed operator control panels, limited reconnection of line-voltage power, and a wide range of operator controls and sensing devices.

The Washington Master Electrician examination for this specialty combines National Electrical Code knowledge, electrical theory, and Washington 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 related equipment, hazardous locations, special occupancies, special conditions, general trade knowledge, and the Washington rules that define the 10 specialty.

The examination is open book. Approved references may be used during testing, making efficient navigation of the NEC, RCW Chapter 19.28, and WAC Chapter 296-46B an important part of preparation. Candidates should practice identifying the subject of a question, determining which reference applies, and locating the controlling provision without spending unnecessary time searching.

The Door, Gate & Similar Systems specialty has precise limitations. Certain branch circuits originating in a listed door, gate, or similar-system electric operator control panel may not exceed 600 volts and 20 amperes and must supply only qualifying system components. Line-voltage power may also be reconnected to a listed operator control panel when Washington's conditions involving voltage, amperage, branch-circuit characteristics, and conductor or conduit length are met.

This package brings together the three core references needed for organized study. The NEC provides national technical requirements, RCW Chapter 19.28 establishes Washington electrical law, and WAC Chapter 296-46B contains the detailed specialty scope, certification, examination, supervision, contractor, permit, inspection, and installation rules that apply to Washington electrical work.

What You Get

• Revised Code of Washington (RCW) Chapter 19.28
  Washington electrical law covering electricians, Master 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, licensing, certification, specialty-scope, examination, contractor, supervision, permit, inspection, and installation rules. This reference defines the 10 Door, Gate & Similar Systems specialty and its limitations.
• National Electrical Code, NEC, 2020 Edition
  The NEC edition used for the Washington examination program covered by this package. It provides technical requirements for wiring and protection, overcurrent protection, grounding and bonding, wiring methods, electrical equipment, motors, special occupancies, hazardous locations, and special conditions.

Exam Details

The Washington 10 Door, Gate & Similar Systems Master Electrician examination contains two required sections: NEC & Theory and Washington Codes.

• NEC & Theory: Approximately 34 questions
• Time Allowed for NEC & Theory: 2 hours
• Washington Codes: Approximately 20 questions
• Time Allowed for Washington Codes: 1 hour
• Total Questions: Approximately 54 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 NEC & Theory examination outline includes approximately one question from NEC Article 90, two from NEC Articles 100 through 110, one involving wiring and protection, four involving overcurrent protection, four involving grounding and bonding, six involving wiring methods, two involving electrical equipment, four involving motors, HVAC equipment, generators and transformers, one involving hazardous locations, one involving special occupancies, two involving special conditions, and approximately six questions involving general trade knowledge and electrical theory.

The Washington Codes section contains approximately 20 questions involving Washington laws and administrative rules. Candidates should prepare for specialty scope, Master Electrician qualification requirements, certification, contractor responsibilities, examinations, permits, inspections, supervision, and the legal boundaries of Door, Gate & Similar Systems work.

Open Book Test

The Washington Door, Gate & Similar Systems Master Electrician examination is an open book test. Approved reference materials may be used at the testing center under Washington electrical examination rules.

The 2020 National Electrical Code is permitted during the examination. Permanent index tabs are acceptable. Removable tabs, sticky notes, repositionable 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 used during testing. Printed copies of Washington electrical laws and rules should be hole-punched and placed in a three-ring binder.

The NEC & Theory section contains approximately 34 questions in two hours, so candidates should practice locating wiring-method, grounding, overcurrent-protection, motor, and equipment requirements efficiently. Wiring methods represent one of the larger technical categories in the published examination outline.

Washington Codes preparation should include repeated review of the 10 specialty definition and its limits. Candidates should be able to quickly locate the rules for low-voltage Class 2 systems, control panels, branch circuits, line-voltage reconnection, conductor and conduit length, classified locations, and prohibited branch-circuit work.

Licensing Steps

Washington Door, Gate & Similar Systems Master Electrician certification is administered through the Washington State Department of Labor & Industries. A specialty Master Electrician candidate must first hold the corresponding Washington specialty electrician certificate.

1. Obtain the Door, Gate & Similar Systems specialty electrician certificate. The Master Electrician pathway begins with certification in the corresponding specialty.
2. Hold the specialty electrician certificate for at least two years. Washington requires a specialty Master Electrician applicant to have been certified by L&I in the applicable specialty for at least two years.
3. Apply for the Master Electrician examination. Submit the applicable examination application to Washington Labor & Industries.
4. Receive L&I examination approval. Labor & Industries reviews the application and verifies eligibility before the candidate schedules testing.
5. Prepare for NEC & Theory. Study the 2020 NEC with particular attention to wiring methods, grounding and bonding, overcurrent protection, motors, equipment, special occupancies, and electrical theory.
6. Prepare for Washington Codes. Review RCW Chapter 19.28 and WAC Chapter 296-46B, especially the Door, Gate & Similar Systems scope and Master Electrician requirements.
7. Schedule the examination through PSI. Follow the scheduling instructions provided after examination approval.
8. Take both required examination sections. Complete NEC & Theory and Washington Codes.
9. Pass each required section. A score of at least 70% is required on each section.
10. Complete the certification process. Follow Washington Labor & Industries procedures for issuance of the specialty Master Electrician certificate.

State Requirements

Washington identifies Door, Gate & Similar Systems as electrical specialty classification 10. To qualify for the specialty Master Electrician examination, an applicant must have held the corresponding Washington specialty electrician certificate for at least two years.

The underlying Door, Gate & Similar Systems Electrician pathway is a 2,000-hour specialty. A trainee may become eligible for the specialty electrician examination after completing at least 720 hours of qualifying work experience.

Until the applicable specialty examination is successfully completed, the trainee must work under 100 percent supervision. Full specialty electrician certification requires 2,000 hours of qualifying experience.

The specialty may install, service, maintain, repair, or replace door, gate, and similar systems electrical operator wiring and equipment.

Qualifying systems include electric gates, doors, windows, awnings, movable partitions, curtains, and similar systems. Equipment may include operators, control push buttons, key switches, keypads, pull cords, air or electric treadles, sensing edges, coil cords, take-up reels, clocks, photoelectric cells, loop detectors, motion detectors, remote radios and receivers, antennas, timers, lock-out switches, stand-alone release devices with smoke detection, strobe lights, annunciators, control panels, wiring, and conductor terminations.

The specialty includes low-voltage NEC Class 2 door, gate, and similar-system operator systems when the operator system is not connected to other systems.

It also includes branch circuits originating in a listed door, gate, or similar-system electric operator control panel when those branch circuits supply only qualifying door, gate, or similar-system components. The circuit must not exceed 600 volts and 20 amperes, and the supplied component must be within sight of the listed control panel.

Line-voltage power may be reconnected to a listed door, gate, or similar-system electric operator control panel when the characteristics of the branch circuit or feeder are not modified, the circuit or feeder does not exceed 600 volts and 20 amperes, and the conductor or conduit extending from the branch-circuit or feeder disconnecting means or junction box does not exceed six feet.

The specialty does not include electrical work governed by the NEC articles addressing classified hazardous locations, including the applicable requirements of Articles 500 through 516 identified by Washington rules.

The classification also does not authorize installation, repair, or replacement of line-voltage branch-circuit conductors, services, feeders, panelboards, or disconnect switches supplying the door, gate, or similar-system electric operator control panel.

As a specialty Master Electrician, the certificate holder may work with the tools of the trade within the scope of the specialty. A Master Electrician may also be assigned as the designated master for an electrical contractor when applicable contractor and assignment requirements are satisfied.

When assigned to an electrical contractor, the Master Electrician accepts responsibility for helping ensure that the contractor complies with Washington electrical laws and rules and performs work within the authority of its license.

Reference Books

• Revised Code of Washington (RCW) Chapter 19.28
  This reference contains Washington electrical statutes governing electricians, Master Electricians, electrical contractors, certification, installations, enforcement, and related legal responsibilities within the state's electrical licensing system.
• Washington Administrative Code (WAC) Chapter 296-46B
  This reference contains Washington rules governing specialty classifications, work experience, supervision, examinations, Master Electrician certification, contractors, permits, inspections, and the detailed scope of the 10 Door, Gate & Similar Systems specialty.
• National Electrical Code, NEC, 2020 Edition
  The NEC provides technical requirements covering wiring and protection, overcurrent protection, grounding and bonding, wiring methods, electrical equipment, motors, hazardous locations, special occupancies, special conditions, and related electrical work.

Candidates should study these references as an integrated set. Technical questions involving grounding, wiring, motors, or overcurrent protection generally point toward the NEC, while questions involving specialty authority, supervision, certification, or contractor requirements generally require the RCW or WAC.

Exam Room Approved Books

• National Electrical Code, NEC, 2020 Edition
  The 2020 NEC is permitted during the Washington examination covered by this package. 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 used during testing when prepared according to Labor & Industries examination 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 reference materials during preparation and on examination day can help candidates become familiar with code organization, article numbers, definitions, tables, specialty provisions, and Washington-specific requirements.

Test Information and Study Materials

Wiring Methods: Wiring methods represent a major technical area on the Master Electrician examination. Review conductors, cables, raceways, boxes, fittings, flexible wiring methods, conductor protection, support requirements, and operator-system wiring.

Overcurrent Protection: Study circuit breakers, fuses, conductor protection, equipment ratings, branch-circuit protection, and requirements affecting operator control panels and supplied components.

Grounding and Bonding: Review equipment grounding conductors, bonding, grounding continuity, enclosures, raceways, and grounding requirements applicable to motors, controls, and electrical operator equipment.

Motors and Related Equipment: Electric doors and gates commonly use motors and controllers. Review motor circuits, overload protection, controllers, disconnecting means, transformers, and related NEC requirements.

Electrical Equipment: Study switches, flexible cords, controllers, disconnecting means, equipment wiring, control components, and other electrical equipment associated with operator systems.

Special Conditions: Review applicable NEC special-condition requirements and understand how operator systems may interface with other electrical systems.

Hazardous Locations: The examination includes hazardous-location knowledge even though Washington excludes the classified-location work identified in the applicable NEC articles from the specialty scope.

Special Occupancies: Review NEC requirements that may affect operator systems installed in specialized buildings and occupancies.

General Trade Knowledge and Theory: Practice voltage, current, resistance, power, Ohm's law, series and parallel circuits, motors, controls, troubleshooting, and other electrical concepts relevant to electrically operated door and gate systems.

Specialty Scope: Know the 600-volt, 20-ampere limits, the six-foot reconnection provision, the within-sight requirement for components supplied from qualifying control-panel branch circuits, and the restrictions on services, feeders, panelboards, disconnects, and line-voltage branch-circuit conductors.

Control and Sensing Equipment: Review how operator systems use push buttons, key switches, keypads, loop detectors, motion detectors, sensing edges, photoelectric devices, radios, receivers, timers, control panels, and related wiring.

Master Electrician Responsibilities: Review specialty eligibility, contractor assignment requirements, certification, permits, inspections, examinations, and the responsibilities associated with serving as the designated Master Electrician for a contractor.

A useful preparation method is to classify each practice question before opening a reference. Technical questions about conductors, motors, grounding, or overcurrent protection will usually point toward the NEC. Questions involving permitted specialty work, supervision, certification, or contractor responsibilities will generally require Washington law or administrative rules.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps Washington Door, Gate & Similar Systems Master Electrician 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 methods, overcurrent protection, grounding and bonding, electrical equipment, motors, control systems, electrical theory, specialty limitations, Master Electrician responsibilities, and Washington electrical laws and rules.

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

Professionals working with electrically operated doors and gates often bring practical experience with motors, controls, sensors, operator panels, safety devices, branch-circuit connections, and troubleshooting. Structured study helps connect that field experience with the precise NEC and Washington requirements tested on the examination.

Washington-specific preparation is especially important for the 10 specialty because the classification contains clear boundaries involving system type, Class 2 work, branch circuits, voltage and amperage, conductor length, panel location, and prohibited line-voltage work. Understanding these limits supports both examination preparation and future work within the specialty.

The goal is to combine practical field experience with organized code study, stronger regulatory knowledge, effective reference navigation, and confidence-building preparation. This Washington Door, Gate & Similar Systems Master Electrician Book Package provides the core references needed to support that process.

Frequently Asked Questions

What is the Washington classification for Door, Gate & Similar Systems?

Washington identifies Door, Gate & Similar Systems as electrical specialty classification 10.

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 Door, Gate & Similar Systems Master Electrician exam open book?

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

How many questions are on the Master Electrician examination?

The examination includes approximately 34 NEC & Theory questions and 20 Washington Codes questions, for approximately 54 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.

How long must I hold the specialty Electrician certificate before taking the Master examination?

A specialty Master Electrician applicant must have been certified by Washington Labor & Industries in the applicable specialty for at least two years.

How much experience is required for the underlying specialty Electrician certification?

Full Door, Gate & Similar Systems Electrician certification requires 2,000 hours of qualifying work experience.

When can a trainee become eligible for the specialty Electrician examination?

A trainee may become eligible for the Door, Gate & Similar Systems specialty examination after completing at least 720 hours of qualifying work experience.

What supervision applies before passing the specialty examination?

A trainee must remain under 100 percent supervision until successfully completing the applicable specialty examination.

What systems are included in the specialty?

The specialty includes qualifying electric gates, doors, windows, awnings, movable partitions, curtains, operator controls, sensors, control panels, and similar electrical operator systems.

What limits apply to branch circuits originating at the operator control panel?

Qualifying branch circuits originating in a listed operator control panel may not exceed 600 volts and 20 amperes, must supply only qualifying system components, and the supplied component must be within sight of the listed control panel.

Can line-voltage power be reconnected to an operator control panel?

Yes, when the applicable Washington requirements are met, including no modification to branch-circuit or feeder characteristics, a maximum of 600 volts and 20 amperes, and a conductor or conduit run from the disconnecting means or junction box of no more than six feet.

Can this specialty install new services, feeders, or panelboards?

No. The specialty does not authorize installation, repair, or replacement of services, feeders, panelboards, disconnect switches, or line-voltage branch-circuit conductors supplying the operator control panel.

Can I use the 2020 NEC during the examination?

Yes. The Washington electrical examination 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 examination requirements.

Who administers the Washington Door, Gate & Similar Systems Master Electrician examination?

Washington electrical examinations are administered through PSI after the applicable examination approval through Washington Labor & Industries.

What should I focus on while studying?

Focus on wiring methods, overcurrent protection, grounding and bonding, motors, electrical equipment, special conditions, general electrical theory, specialty-scope limitations, Master Electrician responsibilities, and Washington electrical laws and rules.