Colorado · Electrical licensing · official-source guide
Colorado licenses electricians at state level through the State Electrical Board at DORA's Division of Professions and Occupations. Individuals hold residential wireman, journeyman or master licenses. The business registers separately as an electrical contractor and must have a master electrician in charge of supervision. Denver and the Pikes Peak region add their own local layer.
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Verify a licenseVerified against agency sources on 2026-09-12. Rules and fees change; confirm with the named authority before relying on this guide.
Colorado licenses electricians at state level through the State Electrical Board, which sits inside the Division of Professions and Occupations at the Department of Regulatory Agencies. The governing statute is the Electricians Practice Act at Colorado Revised Statutes Title 12, Article 115, which the board posts from its own laws page. The board rules are 3 CCR 710-1, published by the Colorado Secretary of State, with the current version effective July 15, 2026 following a permanent rulemaking adopted May 27, 2026. The structure has two halves and both are required. Section 12-115-109 says no person shall engage in or work at the business, trade or calling of a journeyman electrician, master electrician or residential wireman until that person has received a license from the division or a temporary permit. Section 12-115-110(5)(a) says no person, firm, copartnership, association or combination shall engage in the business of an electrical contractor without having first registered with the board. So Colorado licenses the individual by grade and separately registers the business. A master electrician working alone still has to register the company before contracting, and a registered company with no master attached to it is not valid either. Since 2025 the act also names a photovoltaic installer registration, added to the fee section by Senate Bill 25-165 effective August 6, 2025. Apprentices are registered too, which means every person working in the trade appears somewhere in the board's records.
Sourcesdpo.colorado.gov 1drive.google.com 2dpo.colorado.gov 3sos.state.co.us 4
The board issues three individual licenses: residential wireman, journeyman electrician and master electrician. A residential wireman is limited by the terms of the license itself. Section 12-115-110(3)(c) requires that any residential wireman's license issued be clearly marked as such across its face, and section 12-115-109(2) says a residential wireman shall not perform electrical work of a type beyond the authorization of the license held. The qualifying experience for that license is wiring one, two, three and four family dwellings, which sets the practical ceiling. A journeyman electrician is the general installation license, earned on commercial and industrial exposure as well as residential. A master electrician is the supervisory license, and the act builds the contracting business on top of it. Under section 12-115-110(5), an electrical contractor registration is issued either where an owner or part owner holds a master electrician license and is in charge of supervising all electrical work performed by the contractor, or where the business employs at least one licensed master electrician in that role. Subsection (5)(d) then locks that master down. No master may be named for more than one contractor, the named master must be actively engaged in a full time capacity with that company, the master must notify the board within fifteen days of termination as the qualifying license holder, and the master is responsible for all electrical work performed by the electrical contracting company.
Registration is not a formality and it is not automatic on holding a master license. Section 12-115-110(5)(a) conditions registration on three things: payment of the fee provided in section 12-115-117, presentation of evidence that the applicant has complied with the applicable workers compensation and unemployment compensation laws of this state, and satisfaction of the master electrician requirement in subsection (5)(b) or (5)(c). That workers compensation and unemployment compliance requirement is the insurance test in Colorado electrical licensing, and the act states no separate bond amount and no liability insurance minimum. The board treats failure to register as one of its more expensive violations. Its own fine schedule at Rule 1.10 D lists engaging in the business of an electrical contractor or photovoltaic installer without obtaining registration from the board at $750 for a first offense, $1,500 for a second, and up to $2,000 per day for a subsequent offense. Registration also controls who may pull a permit. Section 12-115-120(1)(a)(III) says only a qualified applicant may apply for a permit, and states directly that a licensed master electrician who is not a registered electrical contractor and who is operating as an independent contractor for another business shall not apply for a permit. The permits page puts the same point in consumer language, warning that it is a violation of state law for an individual other than the homeowner who is not a registered electrical or plumbing contractor to install a project on your property.
Sourcesdrive.google.com 1sos.state.co.us 2dpo.colorado.gov 3
Section 12-115-110(2)(a) sets the journeyman requirement at eight thousand hours over a period of at least four years of apprenticeship or practical experience in wiring for, installing and repairing electrical apparatus and equipment, of which two thousand hours over at least two years must be in commercial, industrial or substantially similar work. It adds a classroom requirement: during the last eight years of training, apprenticeship or practical experience, at least two hundred eighty eight hours of training in safety, the national electrical code and its applications and any other training the board requires. The division's applications page states the same figures and says plainly that 288 hours of classroom education is required for all applicants. Residential wireman is four thousand hours over at least two years wiring one to four family dwellings, or two years of accredited training. Master is where two board sources read differently. The statute at 12-115-110(1)(a) gives three paths: an electrical engineering graduate with one year of practical construction experience, a trade school or community college graduate with at least four years of practical electrical experience, or at least one year of planning, laying out, supervising and installing beyond the journeyman experience requirement. The division's applications page describes the primary master path as 10,000 hours of experience earned in no less than five years. Both are published by the division, so read them together and confirm your own file before applying.
Colorado allows substitutions and they are unusually specific for a state electrical board. Section 12-115-110(2)(b) says an applicant may substitute academic training or practical experience for required practical experience. A graduate electrical engineer of an accredited college or university, or a graduate of a community college or trade school program approved by the board, receives one year of work experience credit. Academic training that does not qualify under that paragraph, including military training or photovoltaic installation training, may be credited by the board, or by a uniform ratio established by rule in the case of residential wireman applicants. Subsection (6)(a) adds a solar path to practical experience. An applicant earns practical experience by working two thousand hours as a NABCEP PV installation professional working for or working as a photovoltaic installer, and by up to two thousand hours of practical experience worked under the supervision of a NABCEP PV installation professional, so long as the supervising professional provides proof. The board also recognises military credentials through section 12-20-202(4), applied through Board Rule 1.7 G, which requires the education, training or service to be substantially equivalent to the qualifications otherwise applicable at the time the application is received, and puts the burden on the applicant to provide timely and complete evidence. The board may waive elements of its training rule case by case where another jurisdiction's qualifications are substantially equivalent.
Section 12-115-110(4)(a) puts the examination under board control rather than under a vendor's. It says the board shall provide for licensing examinations, that any examination given for master electricians, journeymen electricians and residential wiremen is subject to board approval, and that the board or its designee shall conduct and grade the examination and shall set the passing score to reflect a minimum level of competency. On a passing result, and on payment of the fee in section 12-115-117, the division issues the license that authorizes the applicant to engage in the business, trade or calling of the grade applied for. The code edition the exam is written to matters for anyone arriving from out of state. Board Rule 1.7 E, which governs licensure by endorsement, requires an applicant to have successfully completed a comparable written state electrical examination based on the current edition of the national electrical code in effect at the time the application is submitted to the board. That is a moving target by design, and it is the reason an older out of state exam result can fail to carry. Rule 1.7 F adds a second bar for reciprocity applicants: an applicant will not be granted a reciprocal license where the license in the licensing state was granted by grandfathering without having passed a state administered examination. Applications and examination scheduling run through the division's applications and online licensing systems.
Sourcesdrive.google.com 1sos.state.co.us 2dpo.colorado.gov 3
Colorado registers apprentices and enforces both the registration and the supervision. Board Rule 1.6 A requires employers to register apprentices within thirty days of employment and to remove them within thirty days of termination, and makes failure at either end a matter for disciplinary action. Section 12-115-115 sets the supervision ratio, and the board's fine schedule states it as one licensed electrician to three apprentices. The fine schedule prices the failures separately. Failure of an electrical contractor to register an apprentice is $225 for a first offense, $600 for a second, and up to $2,000 per day for a subsequent offense. Failure of a licensed electrician to supervise an apprentice is $375, then $600, then up to $2,000 per day. Failure of an electrical contractor to maintain the supervisory ratio of one licensed electrician to three apprentices is $375, then $600, then up to $2,000 per day. Employment by an electrical contractor of unlicensed persons doing electrical work is $300, then $600, then up to $2,000 per day. There is also an annual paperwork date. Section 12-115-115(3) requires an electrical contractor or a registered apprenticeship program to report by January 1 each year, and the division runs a dedicated apprentice annual reporting page for it. Apprentice hours are what later become the journeyman application, so the reporting is not administrative trivia.
Sourcessos.state.co.us 1drive.google.com 2dpo.colorado.gov 3
Colorado licenses renew on a three year cycle, and the continuing education requirement is written to that cycle rather than to a calendar year. The division states that all master electricians, journeyman electricians and residential wiremen with an active Colorado license must complete at least 24 hours of continuing education during each three year license period, and that at least four of those hours must be completed in the National Electrical Code changes competency. Board Rule 1.13 C(4)(a) is the source and it is more detailed. Hours are selected from five core competencies in any combination: grounding and bonding, National Electrical Code changes, wiring methods, theory and calculations, and safety related to the electrical industry. A minimum of four hours must relate to National Electrical Code changes. No more than four hours will be credited in safety courses, although there is no minimum safety requirement. Rule 1.13 C(4)(b) says continuing education credits apply to only one three year renewal period, so banking extra hours across cycles does not work. A licensee in inactive status is not required to complete continuing education, but an inactive licensee is prohibited by law from practicing. Statutory backing is section 12-115-110(4)(d), which bars the department from renewing or reinstating a license unless the applicant has completed twenty four hours of continuing education, with an exception for the first renewal after a license issued on a passed examination.
Sourcesdpo.colorado.gov 1sos.state.co.us 2drive.google.com 3
Board Rule 1.5 A incorporates by reference the National Fire Protection Association standard number 70, the National Electrical Code, 2026 Edition, as the minimum standard governing the planning, laying out and installing, and the making of additions, alterations and repairs in the installation of wiring apparatus and equipment for electric light, heat and power in this state. The rule states that it does not include later amendments or editions, and that the effective date shall be August 1, 2026. The rule change carrying that edition took effect July 15, 2026, following the board's permanent rulemaking on May 27, 2026. A copy is available for inspection at the board office at 1560 Broadway, Suite 110, Denver. Colorado layers one more code requirement on top that catches contractors bidding multifamily work. Rule 1.5 C says a permit applicant for electric vehicle power transfer infrastructure must comply with section 12-115-107(3) and with the Colorado Energy Office EV power transfer infrastructure requirements for multifamily buildings found in the Model Electric Ready and Solar Ready Code, incorporated as that code existed on June 1, 2023 and without later amendments. The board also retains authority under section 12-115-107(2)(g) to review and approve requests for exceptions to the national electrical code in unique construction situations where strict interpretation would create unreasonable operational conditions or economic burdens, so long as public safety is not compromised.
Colorado runs two separate paths for an out of state electrician and confuses them at the applicant's expense. Licensure by endorsement is governed by section 12-115-113 and Board Rule 1.7 E. An applicant needs an active residential wireman, journeyman or master license in another state matching the license applied for, completion of a state or federally approved apprenticeship program or the required years and type of experience plus the required electrical training for the comparable license, and successful completion of a comparable written state electrical examination based on the current edition of the national electrical code in effect when the application is submitted. Qualification may be accumulated across multiple states. Proof goes on verification forms the board prepares. Licensure by reciprocity is narrower and is governed by Board Rule 1.7 F. It applies to the Colorado journeyman electrician license. The applicant must hold a current, active journeyman or master license from the licensing state that allows work as a journeyman, and that license must come from a state that is a member in good standing of the National Electrical Reciprocal Alliance, or from an entity or jurisdiction holding a reciprocity agreement with the board. Two hard limits follow. A license granted by grandfathering without a state administered examination does not qualify. And Rule 1.7 F(3) states that a Colorado master electrician's license may not be granted by reciprocity at all.
Solar is regulated separately in Colorado and the split runs at three hundred kilowatts. Section 12-115-107(2) states that all photovoltaic electrical work for installations of at least three hundred kilowatts, including interconnection of the modules, grounding of the modules, balance of system wiring and the customer side point of connection to the utility grid, must be performed by a licensed master electrician, a licensed journeyman electrician, a licensed residential wireman or properly supervised electrical apprentices, and must comply with the practice act including sections 12-115-109 and 12-115-115 and all board rules. Below that threshold the rule flips to a registration test. The act says only an electrical contractor or a photovoltaic installer may perform or offer to perform photovoltaic electrical work for installations of less than three hundred kilowatts. Photovoltaic installer registration was added to the board's fee section by Senate Bill 25-165, effective August 6, 2025. Board Rule 1.13 I sets the staffing condition: a photovoltaic installer who loses the services of its responsible agent or NABCEP certified professional has twenty days to hire another, and the board places the registrant into inactive status until evidence of a replacement is submitted. The board's fine schedule treats an unregistered photovoltaic installer the same as an unregistered electrical contractor, at $750, then $1,500, then up to $2,000 per day.
Section 12-115-120 requires an individual needing electrical inspection to apply to the board for a permit, except where an incorporated town or city, county, city and county, or qualified state institution of higher education operates a building department meeting the minimum standards of the article and processing permits and inspections, in which case the application goes to that building department. Each inspection by a qualified institution must include a contemporaneous review to confirm that the article, and specifically the apprentice provisions at section 12-115-115, have been met. The division publishes the working map in plain terms. It does not inspect electrical work in jurisdictions running their own inspection programs, and it lists those as Adams except Federal Heights, Arapahoe except Bow Mar, Deer Trail and Sheridan, Boulder, Broomfield, Chaffee, Denver, Douglas, Eagle except Minturn and Avon, El Paso, Jefferson, Larimer, Mesa, Pitkin, Pueblo, Routt, San Miguel, Summit, Teller and Weld. The state inspects everywhere else, and the division tells applicants to verify the job site jurisdiction before applying. State permits are filed through the division's online permit system for electrical contractors. The board's fine schedule prices the failure at $375 for a first offense, $900 for a second and up to $2,000 per day after that, for failure to obtain a permit or failure to obtain an inspection.
Sourcesdpo.colorado.gov 1drive.google.com 2sos.state.co.us 3
Colorado publishes an actual dollar fine schedule, which is rarer than it should be. Board Rule 1.10 D, adopted under section 12-115-122(3)(a), sets first offense, second offense and subsequent offense amounts. Engaging in the business, trade or calling of a journeyman electrician without a license is $225, then $600, then up to $2,000 per day. Master electrician without a license is $300, then $600, then up to $2,000 per day. Residential wireman without a license is $150, then $375, then up to $2,000 per day. Performing electrical work beyond the authorization of a residential wireman license is $375, then $750, then up to $2,000 per day. Failure of a licensee or registered apprentice to produce a license or registration when required is $50, then $200. Advertising by a licensee or registrant that is false or misleading is $375, then $750. Deception, misrepresentation or fraud in obtaining or attempting to obtain a license, which the rule notes includes loaning a license, is $1,000, then $2,000. Failure to comply with other state or federal law covering safety, health, insurance or tax is $375, then $750. Paying a fine does not close the matter: the rule states that payment does not relieve the recipient from correcting the violation. The criminal exposure is separate. Section 12-115-123 sends unauthorized practice to section 12-20-407(1)(a), which makes practicing the profession of an electrician without an active license a class 2 misdemeanor punishable as provided in section 18-1.3-501.
Sourcessos.state.co.us 1drive.google.com 2drive.google.com 3
Denver is one of the jurisdictions that inspects its own electrical work, and it also licenses its own contractors. The city's contractor licensing page states that Denver does not accept or reciprocate contractor licenses or certificates from other counties or states, which means a company arriving from Aurora or from out of state starts over with the city regardless of what it holds elsewhere. There is one credit the city does give. The page states that a Colorado electrical or plumbing license will substitute for a supervisor certificate, so a master electrician licensed by the State Electrical Board does not sit a separate Denver supervisor examination for that role. The city also states that licenses and certificates must be renewed every one to three years depending on license type, so the Denver renewal date will not necessarily line up with the state three year cycle. Plan for two calendars. The state relationship still applies underneath. Because Denver operates a building department meeting the minimum standards of the practice act, permits and inspections in Denver are processed by the city rather than by the division under section 12-115-120, and the division's permits page lists Denver among the jurisdictions where it does not inspect. Contact Community Planning and Development for current Denver license types, fees and insurance requirements before you bid inside the city.
El Paso County runs its inspection program through the Pikes Peak Regional Building Department, and the division lists El Paso among the jurisdictions where the state does not inspect. PPRBD requires state licensees to come to it as well. Its licensing answers state that State of Colorado licensees must register with the department immediately, and it names electrical, plumbing, elevators and escalators, and manufactured building installers as the categories that must do so. The department also publishes an insurance floor that the state does not. Electrical, fire alarm, mechanical, plumbing and water conditioning contractors must maintain general liability coverage of 1,000,000 per occurrence and 2,000,000 general aggregate. That is a real number to carry into an insurance renewal conversation, and it is stricter than the state requirement, since the Electricians Practice Act ties contractor registration to workers compensation and unemployment compensation compliance rather than to a liability limit. PPRBD states that the licensing process takes approximately six to eight weeks depending on when the application is submitted, which is the lead time to build into a Colorado Springs start date. Applications are published on the department site under license applications, and the permit counter and licensing email are the current sources for fee amounts, which are not quoted here.
Colorado has two advertising rules and they bite from different directions. Section 12-115-112 says no person, firm, partnership, corporation or association shall advertise in any manner, or use the title or designation of master electrician, journeyman electrician or residential wireman, unless qualified and licensed under article 115. Board Rule 1.13 H(1) is the one most companies trip over: registered electrical contractors and photovoltaic installers shall not advertise in any manner, by any name, including DBAs, other than the registered company name on record with the Department of Regulatory Agencies. That means the name on your vehicle, your website, your Google Business Profile and your invoices should match the name on the registration, and adding a trading name for marketing purposes without updating the registration is a rule violation rather than a branding decision. False or misleading advertising by a licensee or registrant carries a fine of $375 for a first offense and $750 for a second under Rule 1.10 D. Verification runs through the division's license lookup, which the board links from its own electrical page, and the division also publishes a downloadable licensee and discipline roster. Complaints are filed through the division's online complaint system. Because the contractor registration and the master's individual license are separate records, a customer on a larger job should check both.
Sourcesdrive.google.com 1sos.state.co.us 2apps.colorado.gov 3apps.colorado.gov 4apps2.colorado.gov 5dpo.colorado.gov 6
These are common details other guides publish about Colorado, but we could not verify them from the agency source. Confirm them directly before relying on them.
Yes. The State Electrical Board, part of the Division of Professions and Occupations at the Department of Regulatory Agencies, licenses residential wiremen, journeyman electricians and master electricians and registers electrical contractors, apprentices and photovoltaic installers under Colorado Revised Statutes Title 12, Article 115.
Yes, to run the business. Section 12-115-110(5)(a) says no person or firm shall engage in the business of an electrical contractor without first registering with the board, and registration requires proof of compliance with state workers compensation and unemployment compensation laws plus a master electrician in charge of supervision.
Eight thousand hours over at least four years, of which two thousand hours over at least two years must be in commercial, industrial or substantially similar work, plus at least 288 hours of classroom training in safety and the national electrical code.
At least 24 hours during each three year license period, with a minimum of four hours in the National Electrical Code changes competency and no more than four hours credited in safety courses. Credits apply to only one three year renewal period.
The 2026 edition. Board Rule 1.5 A incorporates NFPA 70, National Electrical Code, 2026 Edition, without later amendments or editions, with an effective date of August 1, 2026. The rule version carrying it took effect July 15, 2026.
No. Board Rule 1.7 F(3) states that a Colorado master electrician's license may not be granted by reciprocity. Reciprocity covers the journeyman license, and an out of state master may qualify through licensure by endorsement under section 12-115-113 instead.
Section 12-115-123 makes unauthorized practice subject to section 12-20-407(1)(a), which makes practicing as an electrician without an active license a class 2 misdemeanor. The board's own fine schedule starts at $225 for an unlicensed journeyman and $300 for an unlicensed master.
Board Rule 1.10 D lists engaging in the business of an electrical contractor or photovoltaic installer without obtaining registration at $750 for a first offense, $1,500 for a second offense and up to $2,000 per day for a subsequent offense.
Only a qualified applicant. Section 12-115-120(1)(a)(III) states that a licensed master electrician who is not a registered electrical contractor, and who is operating as an independent contractor for another business, shall not apply for a permit.
No. The division does not inspect in jurisdictions running their own programs, including Adams, Arapahoe, Boulder, Broomfield, Chaffee, Denver, Douglas, Eagle, El Paso, Jefferson, Larimer, Mesa, Pitkin, Pueblo, Routt, San Miguel, Summit, Teller and Weld, each with listed exceptions.
Not unless it is the registered name. Board Rule 1.13 H(1) says registered electrical contractors and photovoltaic installers shall not advertise in any manner, by any name, including DBAs, other than the registered company name on record with the Department of Regulatory Agencies.
Denver states that it does not accept or reciprocate contractor licenses or certificates from other counties or states, but its contractor licensing page also states that a Colorado electrical or plumbing license will substitute for a supervisor certificate.
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