Licensing systems uphold public safety and guarantee professional competency in the electrical trade. These designations are typically governed by state regulatory bodies, which establish minimum requirements for knowledge, experience, and adherence to safety codes. The “01” designation represents the highest level of non-supervisory electrical certification, known as the General Journeyman Electrician. This unrestricted license signifies the broadest possible scope of authorized work and is the benchmark for comprehensive electrical expertise.
Defining the 01 General Journeyman Electrician
The 01 classification identifies the General Journeyman Electrician, a professional demonstrating a comprehensive understanding of electrical theory and installation practices across all construction sectors. This license is the standard for non-supervisory licensure in jurisdictions using this numbering system, such as Washington State. Holding this certificate signifies proficiency in the National Electrical Code (NEC) and the ability to apply its requirements to diverse projects. The General Journeyman possesses the knowledge base necessary to manage the full range of electrical installation, maintenance, and repair tasks.
Scope of Authorized Electrical Work
An 01 General Journeyman Electrician is authorized to perform all phases and types of electrical and telecommunications installations without restriction. This allows them to transition seamlessly between residential, commercial, and heavy industrial environments. Their scope includes installing power distribution systems, lighting, equipment connections, and all associated wiring in any building or structure, regardless of size or complexity. The unrestricted nature of the 01 license means the holder is qualified to work on high-voltage systems and complex installations involving large-scale power requirements.
This professional can install, maintain, and repair electrical equipment operating at any voltage level permitted by the NEC. This ranges from standard 120-volt circuits to high-amperage, three-phase power systems used in manufacturing plants. The license also includes authority over low-voltage and limited-energy systems, encompassing the scope of all other specialized electrical licenses. The 01 General Journeyman is legally permitted to supervise and direct the on-the-job training of electrical apprentices. Their training ensures they can interpret blueprints, diagnose faults in complex industrial control systems, and ensure code compliance for all electrical work.
The Path to Becoming an 01 Electrician
Achieving the 01 General Journeyman designation requires a combination of classroom instruction and supervised on-the-job experience over several years. The foundational requirement is a minimum of 8,000 hours of supervised work experience, typically translating to a four-year, full-time apprenticeship. This requirement ensures the candidate receives practical exposure to a wide variety of electrical systems and construction environments. A significant portion of this experience, generally 4,000 hours, must be dedicated to commercial or industrial installations to guarantee proficiency in complex wiring methods.
In addition to field hours, candidates must complete classroom instruction focused on electrical theory, mathematics, and the National Electrical Code. While the exact number of classroom hours varies by state, a common requirement is 96 hours of basic instruction. The culmination of this training is the comprehensive licensing examination administered by the state regulatory body. This final exam tests the candidate’s mastery of electrical principles, code application, and safety procedures, solidifying their status as a General Journeyman Electrician upon passing.
How the 01 License Compares to Other Designations
02 Residential Electrician
The 02 Residential Electrician license is a specialty certification with a limited scope compared to the unrestricted 01. This designation confines the electrician’s work solely to residential structures, typically one- and two-family dwellings or specific multi-family buildings. An 02 license holder cannot perform electrical work on commercial buildings, industrial facilities, or large-scale projects outside the residential classification. Training requirements for the 02 license are less stringent, often requiring only 4,000 hours of work experience, which is half the time demanded for the General Journeyman certification.
06 Limited Energy/Low Voltage Electrician
The 06 Limited Energy/Low Voltage Electrician is a specialty focusing exclusively on systems operating at low voltage, generally 90 volts or less. This work includes the installation, maintenance, and repair of data cabling, telecommunications, security systems, fire alarms, and energy management controls. The 06 electrician is forbidden from working on general power wiring, main service panels, or any line-voltage circuits. The 06 license holder cannot modify or install the high-voltage circuits that power the building, which is a core function of the 01 General Journeyman.
Apprentice Electrician
An Apprentice Electrician, or trainee, is an individual enrolled in an approved training program and actively working toward obtaining a journeyman certification. The apprentice does not hold an independent license and is legally required to work under the direct supervision of a certified journeyman (01 or 02). The apprentice’s role is strictly for on-the-job training. This period of supervised work is the prerequisite for qualifying to sit for the state-administered licensing examination.
Why Hiring an 01 Electrician Matters
Hiring an 01 General Journeyman Electrician provides consumers with the highest assurance of competency for any electrical project. Their unrestricted license and comprehensive 8,000 hours of training mean they possess the expertise to handle all electrical installations, from simple repairs to full system upgrades. This extensive knowledge ensures that all work adheres to the National Electrical Code and local building regulations. Utilizing an 01 professional provides liability protection for the property owner, as the work is completed by an individual certified for all types of installations. The General Journeyman’s qualifications reduce the risk of code violations and ensure the project passes municipal inspections and operates safely long term.

