Colorado Master Electrician License Requirements (2026)

The Colorado Department of Regulatory Agencies (DORA) State Electrical Board licenses every electrician in the state under Colorado Revised Statutes Title 12 Article 115. DORA issues four credentials in a strict ladder: Residential Wireman (limited to one and two-family dwellings), Journeyman Electrician (full commercial scope under supervision), Master Electrician (supervises journeymen and pulls permits), and Electrical Contractor (the business registration that allows a company to bid and contract electrical work). The Master Electrician path requires the Journeyman credential, two additional years of journey-level experience, and a separate ICC examination. Colorado adopts the National Electrical Code statewide and updates the adopted edition on a published cycle.

Governing Authority

Under Colorado Revised Statutes Title 12 Article 115 (Electricians); 3 CCR 710-1, Colorado Department of Regulatory Agencies — State Electrical Board (DORA) is the body that issues this license and enforces compliance with it. The DORA State Electrical Board licenses Residential Wiremen, Journeyman Electricians, Master Electricians, and Electrical Contractors statewide, adopts the National Electrical Code by reference, and conducts disciplinary proceedings.

Official portal: https://dpo.colorado.gov/Electrical
Address: 1560 Broadway, Suite 1350, Denver, CO 80202
Phone: (303) 894-7800

Eligibility Requirements

At a minimum the applicant has to be 18 years old and supply a valid Social Security Number. No Colorado residency requirement.

Good moral character

DORA conducts a fitness review on every applicant. Felony convictions and prior license discipline are reviewed individually.

Background investigation

Mandatory criminal history disclosure on the application; DORA may request additional documentation for unresolved items.

Experience & Education Matrix

The applicant must document and verify at least four years and 8,000 hours of qualifying electrical experience plus 288 classroom hours of related instruction to reach the Journeyman credential, then two additional years (4,000 hours) of journey-level experience under a Master Electrician to qualify for the Master Electrician examination.. Keep payroll, tax, project, or supervisor records to support the claim, as the board can request proof for any period within its lookback window.

Accepted proof of experience or eligibility

DORA experience affidavit signed by each licensed Master Electrician supervisor
W-2 statements, pay stubs, or 1099 records covering the qualifying period
Approved electrical apprenticeship completion certificate (where applicable)
Transcripts proving the 288 classroom hours of related instruction

Education substitution

A US Department of Labor registered electrical apprenticeship satisfies both the hour requirement and the 288 classroom hours. Accredited electrical engineering technology coursework substitutes on a sliding scale set by DORA rule.

Examination Structure

PSI Services LLC under contract to DORA; ICC content for Journeyman and Master examinations runs the examination for this credential. Issuance is contingent on passing every part below:

Colorado Master Electrician Examination — National Electrical Code, calculations, theory, and Colorado rules — 100 questions, 300 minutes, passing score 70%

Examination fee: $92 examination fee paid to PSI on the day of testing.

Retake policy: Failed examinations may be re-taken by paying a new $92 fee. Each application remains valid for one year.

Insurance & Financial Security

The cited materials impose no contractor license bond for this credential. Bear in mind that specific contracts, permits, or public works can still require their own bonds.

General liability

DORA does not impose a state-level general liability minimum on individual electricians. Most commercial owners contractually require the contractor to carry $1,000,000/$2,000,000.

Workers' compensation

Workers' compensation insurance is mandatory in Colorado under CRS 8-44-101 et seq. for any business with one or more employees including part-time.

Additional financial requirements

No DORA financial statement is required for individual credentials. Electrical Contractor business registrations require proof of insurance and an active Colorado business registration.

Application and License Fees

Fee	Amount
Application (non-refundable)	$92
Examination	$92
Initial license	$92
Renewal (every 3 years)	$92

Maintenance & Renewal

Expect to renew the Colorado Master Electrician (and Electrical Contractor Registration) every 3 years. Renewal currently costs $92. Colorado electrician credentials renew every three years. Lapsed credentials beyond two years require re-application and may require re-examination.

Continuing education: 24 hours of DORA-approved continuing education each three-year renewal cycle, including 16 hours of National Electrical Code update.

Downloadable Asset

2026 Colorado Electrician License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Reciprocity and Endorsement

Colorado does not accept the NASCLA Accredited Examination for this classification.

Reciprocal State	Accepted Exam	Conditions
Wyoming	Master Electrician exam waived	Bilateral DORA–Wyoming reciprocity for active master electricians in good standing for at least one year.
New Mexico	Trade exam waived	Bilateral DORA–New Mexico reciprocity for active journeyman and master electricians.
Nebraska	Trade exam waived	Bilateral DORA–Nebraska reciprocity for active journeyman electricians.

Colorado maintains limited bilateral reciprocity with neighboring states. Reciprocal applicants still must pass the Colorado-specific portion and pay full DORA fees.

Weighing more than one jurisdiction? The national hub compares Electrician license requirements in every state — exam, bond, fee, and experience thresholds side by side.

Step-by-Step Application Roadmap

Register as an Apprentice or Residential Wireman. DORA requires every electrical worker to be registered before performing work. Apprentices must be registered with an approved program.
Complete 8,000 hours and 288 classroom hours. Four years of supervised electrical experience plus 288 classroom hours of related instruction to qualify for the Journeyman exam.
Pass the Journeyman Electrician examination. Score 70% or better on the ICC Journeyman exam administered by PSI.
Work two years as a Colorado Journeyman. Complete two additional years (4,000 hours) of journey-level experience under a licensed Master Electrician.
Submit the DORA Master Electrician application. File the application with the experience affidavit, classroom hour transcripts, and exam fee.
Pass the Master Electrician examination at 70%. Sit the 100-question, five-hour ICC Master Electrician exam at a PSI test center.
Register as an Electrical Contractor (if self-employed). File a separate Electrical Contractor business registration with DORA naming the Master Electrician as the qualifying party.

Study and Reference Materials

What follows are the regulator-cited and commonly used preparation references for this trade. They appear here for convenience only; CLR takes no compensation for them.

National Electrical Code (NFPA 70), Colorado-adopted edition — National Fire Protection Association. Primary technical reference. Open-book at the PSI test center.
Tom Henry Master Electrician Exam Prep — Tom Henry Books. Widely used by Colorado applicants for NEC calculation problems.
Mike Holt Master Electrician Exam Preparation — Mike Holt Enterprises. Comprehensive review with practice exams matched to the ICC content outline.

Common Filing Mistakes

Working from the cited board instructions, here are the snags most likely to trip up a Colorado Electrician filing.

Skipping apprentice registration

DORA requires every electrical worker to be registered before performing work. Hours worked while unregistered do not count toward the 8,000-hour requirement.

Missing the 288 classroom hours

On-the-job hours alone are not enough. Without 288 documented classroom hours of related instruction, DORA rejects the Journeyman application.

Studying the wrong NEC edition

Colorado adopts the NEC on a delayed cycle. Confirm the current adopted edition with DORA before studying or buying a code book.

Confusing master credential with contractor registration

The Master Electrician credential authorizes you as an individual; you still need a separate Electrical Contractor business registration to bid work as a company.

Letting CE slip

24 hours of CE every three years is mandatory, including 16 hours of NEC update. Missing CE blocks renewal and can suspend a contractor registration that depends on the credential.

Pre-Submission Checklist

The most critical documents or confirmations the applicant should have in hand before filing with DORA:

☐ DORA apprentice or residential wireman registration on file before any work
☐ Documentation of 8,000 hours and 288 classroom hours for the Journeyman exam
☐ Journeyman Electrician credential (prerequisite for Master)
☐ Documentation of two additional years (4,000 hours) of journey-level experience
☐ PSI Master Electrician exam pass certificate at 70%+
☐ Electrical Contractor registration (if self-employed)
☐ Colorado workers compensation certificate (any business with one or more employees)

Other Colorado Trade Licenses

If the Electrician license is not the right fit, the following published Colorado trade guides are also covered by CLR:

Frequently Asked Questions

What are the four Colorado electrician credentials?

Residential Wireman (one and two-family dwellings only), Journeyman Electrician (full scope under supervision), Master Electrician (supervises journeymen and pulls permits), and Electrical Contractor (the business registration that lets a company bid and contract).

How many hours does Colorado require for a Journeyman Electrician?

Four years and 8,000 hours of qualifying electrical experience plus 288 classroom hours of related instruction. A US DOL registered apprenticeship satisfies both requirements.

How long does it take to become a Master Electrician in Colorado?

Six years total: four years (8,000 hours) to reach Journeyman, plus two additional years (4,000 hours) of journey-level work to qualify for the Master examination.

Does Colorado reciprocate electrician credentials?

Yes, with limits. DORA maintains bilateral reciprocity with Wyoming, New Mexico, and Nebraska. Reciprocal applicants must still pass the Colorado-specific portion.

How often does the Colorado Master Electrician credential renew?

Every three years. Renewal requires 24 hours of continuing education on the current National Electrical Code, including 16 hours of code update.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-06-05 · Next scheduled review 2026-09-03