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Missouri Journeyman & Master Electrician License & Exam Guide

Journeyman and master electrician license and test requirements in Missouri — what the state requires, who gives the exam, which NEC edition it is written on, the fees, and how to sign up. Free — no account needed.

Missouri

State + local
Local/municipal (cities/counties) for individual journeyman/master; Office of Statewide Electrical Contractors (OSEC), MO Division of Professional Registration, for optional statewide electrical CONTRACTOR license
Testing provider: N/A - local for journeyman/master; OSEC accepts ICC, NASCLA, Prov, Prometric, PSI exams for the contractor license(573) 522-3280 (OSEC)
📕 Exam code book: Varies by city (no statewide electrician exam; edition set by each local jurisdiction — e.g., some ICC city exams use the 2017 NEC, others 2020 NEC). Confirm the edition with the local jurisdiction's candidate bulletin.
💵 License/app: OSEC optional statewide electrical CONTRACTOR license fee $200. Individual journeyman/master fees are set locally and vary by city/county.

Journeyman

Missouri does not issue a statewide journeyman electrician license. Journeyman credentials (where offered) are granted by the individual city or county where you work; some Missouri municipalities offer a journeyman license, others only master or contractor. Requirements commonly run to about 8,000 hours / 4 years. Check the local jurisdiction.

Master

No statewide master electrician license; master credentials are issued by cities/counties. Missouri does offer an OPTIONAL statewide electrical CONTRACTOR license through OSEC (about 12,000 verifiable hours, or fewer with a journeyman certificate/degree), which requires passing an approved electrical exam and pays a $200 fee.

🔄 Reciprocity: No formal reciprocity for electrician licenses (individual journeyman/master is set locally and varies by city/county). For the optional statewide CONTRACTOR license, OSEC accepts NASCLA Accredited Electrical Examination results and ICC/Prov/Prometric/PSI exams; OSEC will consider new agreements on request (OSEC@pr.mo.gov). Reciprocity URL: link
Note: Verified: Missouri licenses individual electricians mostly at the city/county level. The only state credential is the OPTIONAL statewide electrical CONTRACTOR license administered by OSEC (Division of Professional Registration), letting a contractor hold one license recognized statewide instead of many local ones. OSEC accepts multiple third-party exams (ICC, NASCLA, Prov, Prometric, PSI).

Studying for the Missouri exam?

Kevin's Electrical Prep Course is built by a licensed master electrician, instructor and electrical inspector: 630+ practice questions with every math problem worked out step by step, timed practice exams, video lessons and drive-along audio. Both code books included — NEC 2023 and NEC 2026. Note: Missouri currently tests on the NEC 2017. This course teaches the 2023 and 2026 editions, so use it for the code that does not change between editions — theory, math, and how to read the book — and check Missouri's own amendments for the rest. $200 for 6 months, and a pass guarantee.

See the course & take 15 free sample questions → Get 6-month access — $200

Missouri Electrician License & Exam — Common Questions

Who gives the Missouri electrician license exam?

Missouri uses N/A - local for journeyman/master; OSEC accepts ICC, NASCLA, Prov, Prometric, PSI exams for the contractor license as its testing provider. Licensing is handled by Local/municipal (cities/counties) for individual journeyman/master; Office of Statewide Electrical Contractors (OSEC), MO Division of Professional Registration, for optional statewide electrical CONTRACTOR license.

Which NEC code book is the Missouri electrician exam written on?

Varies by city (no statewide electrician exam; edition set by each local jurisdiction — e.g., some ICC city exams use the 2017 NEC, others 2020 NEC). Confirm the edition with the local jurisdiction's candidate bulletin.

How much does the Missouri electrician license and exam cost?

OSEC optional statewide electrical CONTRACTOR license fee $200. Individual journeyman/master fees are set locally and vary by city/county.

How many hours of experience do you need for a Missouri journeyman electrician license?

Missouri does not issue a statewide journeyman electrician license. Journeyman credentials (where offered) are granted by the individual city or county where you work; some Missouri municipalities offer a journeyman license, others only master or contractor. Requirements commonly run to about 8,000 hours / 4 years. Check the local jurisdiction.

What are the requirements for a Missouri master electrician license?

No statewide master electrician license; master credentials are issued by cities/counties. Missouri does offer an OPTIONAL statewide electrical CONTRACTOR license through OSEC (about 12,000 verifiable hours, or fewer with a journeyman certificate/degree), which requires passing an approved electrical exam and pays a $200 fee.

What is the difference between a journeyman and a master electrician license in Missouri?

Journeyman: Missouri does not issue a statewide journeyman electrician license. Journeyman credentials (where offered) are granted by the individual city or county where you work; some Missouri municipalities offer a journeyman license, others only master or contractor. Requirements commonly run to about 8,000 hours / 4 years. Check the local jurisdiction. Master: No statewide master electrician license; master credentials are issued by cities/counties. Missouri does offer an OPTIONAL statewide electrical CONTRACTOR license through OSEC (about 12,000 verifiable hours, or fewer with a journeyman certificate/degree), which requires passing an approved electrical exam and pays a $200 fee.

Does Missouri have electrician license reciprocity with other states?

No formal reciprocity for electrician licenses (individual journeyman/master is set locally and varies by city/county). For the optional statewide CONTRACTOR license, OSEC accepts NASCLA Accredited Electrical Examination results and ICC/Prov/Prometric/PSI exams; OSEC will consider new agreements on request (OSEC@pr.mo.gov).

Anything else worth knowing about the Missouri electrician license?

Verified: Missouri licenses individual electricians mostly at the city/county level. The only state credential is the OPTIONAL statewide electrical CONTRACTOR license administered by OSEC (Division of Professional Registration), letting a contractor hold one license recognized statewide instead of many local ones. OSEC accepts multiple third-party exams (ICC, NASCLA, Prov, Prometric, PSI).

Check it straight from Missouri

Everything above is kept current, but Missouri can change a fee, a form or an exam provider at any time — and the state's own site is always the live answer. Before you register, click through and confirm:

These open Missouri's official pages in a new tab. Nothing on this site replaces what your state board publishes.

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