Iowa Master Electrician License Requirements (2026)

The Iowa Electrical Examining Board (housed within the Iowa Department of Inspections, Appeals, and Licensing) licenses all electrical trades statewide under Iowa Code Chapter 103. Iowa issues individual credentials at every level — Apprentice, Unclassified Person, Residential Electrician, Class B Journeyman, Class A Journeyman, Residential Master, Class B Master, and Class A Master — plus an Electrical Contractor business license. A Class A Master Electrician has unrestricted statewide authority; a Class B Master is restricted to one-family and two-family dwellings and agricultural buildings. To operate as an electrical contracting business in Iowa, the business must hold an Electrical Contractor license and designate a Class A or Class B Master as the qualifying individual.

The Licensing Authority

Authority over this credential rests with Iowa Electrical Examining Board (IEEB), which issues and polices it under Iowa Code Chapter 103; Iowa Administrative Code 661—500 through 661—550 (Electrical Examining Board rules). The Iowa Electrical Examining Board, housed within the Iowa Department of Inspections, Appeals, and Licensing (DIAL), licenses all electrical trades statewide — Class A and Class B Master Electrician, Class A and Class B Journeyman Electrician, Residential Master, Residential Electrician, Apprentice, Unclassified Person, and Electrical Contractor — adopts the National Electrical Code by reference, and conducts disciplinary proceedings. Licensing exams are delivered by PSI Services LLC under contract.

Official portal: https://dial.iowa.gov/licenses/construction/electrical-examining-board
Address: 6200 Park Avenue, Suite 100, Des Moines, IA 50321
Phone: (515) 725-6147

Baseline Eligibility

The applicant must be at least 18 years of age and possess a valid Social Security Number. No Iowa residency requirement.

Good moral character

The Electrical Examining Board conducts a fitness review on every applicant. Felony convictions are reviewed individually under Iowa Code §272C.

Background investigation

Mandatory criminal history disclosure on the application. The Board may request court records.

Experience and Education Requirements

A minimum of 1 year of For Class A Master: one year of qualifying work experience as a Class A Journeyman Electrician (the Class A Journeyman itself requires four years and 8,000 hours of qualifying electrical experience or a registered apprenticeship completion). For Class B Master: one year as a Class B Journeyman. must be documented and verified. Unless the board publishes a different lookback period, applicants should keep payroll, tax, project, or supervisor records that support the claimed experience.

Accepted proof of experience or eligibility

Electrical Examining Board Experience Verification Form signed by each supervising Master Electrician
Iowa Workforce Development wage records or W-2 statements covering the qualifying period
U.S. Department of Labor registered apprenticeship completion certificate (where applicable)
College transcripts for any claimed education substitution

Education substitution

A U.S. Department of Labor registered electrical apprenticeship and accredited electrical engineering technology coursework substitute for portions of the experience requirement per Iowa Administrative Code 661—500.

The Licensing Examination

Testing is handled by PSI Services LLC under contract to the Iowa Electrical Examining Board. The applicant has to pass each part listed here before the credential is granted:

Iowa Class A Master Electrician Examination — National Electrical Code, Iowa electrical rules, theory, and calculations — 100 questions, 300 minutes, passing score 75%

Examination fee: $85 examination fee paid to PSI at scheduling.

Retake policy: Failed examinations may be re-taken by paying a new $85 fee. Each application remains valid for one year from the date of Board approval.

Financial Security and Insurance

There is no statewide surety bond tied to this credential in the cited record. Bonding can still surface at the project level — permit, license, or public-works bonds — so check before you bid.

General liability

Iowa requires Electrical Contractors to carry a minimum of $500,000 per occurrence and $500,000 aggregate in general liability insurance under Iowa Administrative Code 661—504.

Workers' compensation

Mandatory under Iowa Code Chapter 85 for any employer with one or more employees.

Additional financial requirements

No financial statement required for individual electrician credentials. Electrical Contractor businesses must file the general liability certificate at application.

Fee Schedule

Fee	Amount
Application (non-refundable)	$150
Examination	$85
Initial license	$150
Renewal (every 3 years)	$150

License Renewal

The Iowa Class A Master Electrician (and Electrical Contractor) must be renewed every 3 years. The fee to renew is presently $150. Iowa Class A Master Electrician credentials renew every three years on a staggered schedule by license number.

Continuing education: 24 hours of Iowa Electrical Examining Board-approved continuing education on the current National Electrical Code per three-year renewal cycle.

Downloadable Asset

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

Download the PDF roadmap →

Reciprocity Map

Iowa grants no NASCLA reciprocity for this classification.

Reciprocal State	Accepted Exam	Conditions
Nebraska	Trade exam waived	Bilateral Iowa–Nebraska reciprocity for active Class A Masters and Class A Journeymen in good standing.
South Dakota	Trade exam waived	Bilateral Iowa–South Dakota reciprocity for active Class A Masters and Class A Journeymen.
North Dakota	Trade exam waived	Bilateral Iowa–North Dakota reciprocity for active Class A Masters and Class A Journeymen.
Minnesota	Trade exam waived	Bilateral Iowa–Minnesota reciprocity for active Class A Masters and Class A Journeymen.
Wyoming	Trade exam waived	Bilateral Iowa–Wyoming reciprocity.
Montana	Trade exam waived	Bilateral Iowa–Montana reciprocity.

Iowa maintains written reciprocity agreements with neighboring states for Class A Master and Class A Journeyman credentials. Reciprocal applicants must hold a comparable classification that was obtained by passing the other state's examination (not itself by reciprocity) and must be in good standing.

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

The Licensing Roadmap

Register as an Apprentice or Unclassified Person. All electrical workers in Iowa must hold at least an apprentice or unclassified-person license before performing electrical work.
Earn the Class A Journeyman credential. Four years and 8,000 hours of qualifying electrical experience or completion of a U.S. DOL registered apprenticeship, plus passing the Iowa Class A Journeyman examination.
Document one year of Class A Journeyman experience. One year of qualifying work experience as an Iowa Class A Journeyman Electrician under a licensed Master.
Submit the Electrical Examining Board Master application. File the application with experience documentation and the Board application fee.
Pass the PSI Class A Master examination at 75%. Score 75% or better on the 100-question NEC-based exam.
Receive the Class A Master credential. The Board issues the credential after the exam is passed.
File the Electrical Contractor license application (if self-employed). Designate the Class A Master as the qualifying individual and submit the $500,000 general liability certificate.

Preparation Resources

The following references are cited by the regulator, used in the application process, or commonly used to prepare for the trade scope. Listed for reader convenience; CLR receives no compensation for these recommendations.

National Electrical Code (NFPA 70), Iowa-adopted edition — National Fire Protection Association. Primary technical reference. Open-book at the PSI test center.
Iowa Administrative Code 661—500 through 661—550 — State of Iowa. Electrical Examining Board licensing rules.
Mike Holt NEC Exam Preparation — Mike Holt Enterprises. Widely used by Iowa applicants for NEC calculations and theory.
Tom Henry Master Electrician Exam Prep — Tom Henry Books. Standard reference for Master-level calculation problems.

Before Filing: A Checklist

Ahead of submission to IEEB, confirm every item on this short list:

☐ Iowa Class A Journeyman Electrician credential (prerequisite)
☐ Documentation of one year of Class A Journeyman experience
☐ Electrical Examining Board application with $150 fee
☐ PSI Class A Master exam pass certificate at 75%+
☐ Electrical Contractor license application with $500,000 general liability certificate (if self-employed)
☐ Workers compensation coverage certificate for any business with employees

Common Application Pitfalls

The errors below are the ones that most frequently cost Iowa Electrician applicants time, drawn from the cited board guidance.

Skipping the journeyman step

The Class A Master path requires the Class A Journeyman credential as a prerequisite. Direct-entry to Master is not allowed in Iowa.

Confusing individual credential with contractor license

The Master credential authorizes the individual; the Electrical Contractor license authorizes the business. Both are required to operate a self-employed electrical contracting business.

Missing the 75% cut score

Iowa requires a 75% passing score on the Master examination — stricter than many neighboring states that accept 70%.

Letting continuing education slide

24 hours of NEC continuing education per three-year cycle is mandatory. Missing CE blocks renewal and forces re-application.

Operating without a local permit

State licensure does not exempt contractors from local municipal electrical permits and inspections.

Other Iowa Trade Licenses

CLR maintains guides for additional Iowa trades; the published ones are listed here:

Answers to Common Questions

What is the difference between a Class A and Class B Master Electrician in Iowa?

A Class A Master has unrestricted statewide authority to perform all electrical work. A Class B Master is restricted to one-family and two-family dwellings and agricultural buildings.

How many hours does Iowa require for a Class A Master Electrician?

Four years and 8,000 hours to reach the Class A Journeyman credential, plus one additional year of Class A Journeyman experience to qualify for the Class A Master examination.

Do I need both a Master credential and an Electrical Contractor license?

Yes, if you operate a self-employed electrical contracting business. The Master credential authorizes you as an individual; the Electrical Contractor license authorizes the business to bid and contract.

Does Iowa reciprocate electrician credentials?

Yes. Iowa maintains bilateral Class A Master and Class A Journeyman reciprocity with Nebraska, South Dakota, North Dakota, Minnesota, Wyoming, and Montana. Applicants must hold the credential by examination (not reciprocity) and be in good standing.

How often does the Iowa Master Electrician credential renew?

Every three years. Renewal requires 24 hours of approved continuing education in the National Electrical Code for each three-year cycle.

Primary Sources

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

Verified 2026-06-07 · Next scheduled review 2026-09-05