Register to Take a National Board Exam



The National Board has partnered with Prometric to administer on-demand computer-based commission and endorsement examinations. This platform is available to students completing remote training and individuals seeking to re-examine.

Currently, the following examinations are available at Prometric:
  • Authorized Inspector Commission (AI) exam
  • Authorized Inspector Supervisor (B) exam
  • Authorized Nuclear Inservice Inspector (I) exam
  • Authorized Nuclear Inspector (N) exam
  • Authorized Nuclear Inspector Concrete (C) exam
  • Authorized Nuclear Inspector Supervisor (NS) exam
  • Inservice Inspector Commission (IS) exam
  • Owner-User Inspector Supervisor (O) exam
  • Repair Inspector (R) exam

The Process
  1. The exam candidate must first complete the prerequisite National Board training course, when applicable. See exam description below for training requirements.
  2. The exam candidate submits their legal name, exam requested, and exam fee to the National Board Training Department by clicking the exam name from the catalog below then completing and submitting the registration form.
  3. The National Board notifies Prometric of an exam candidate's eligibility.
  4. Prometric emails the candidate to schedule the exam on the candidate's requested date and available Prometric location. NOTE: The emails from Prometric will come with "SMT Notice" as the sender.
  5. Exam Results: For endorsement exams, results are provided to the exam candidate at the end of the exam; For commission exams, results are provided to the exam candidate by the National Board within one week of the exam
  6. Upon receipt of exam results, the Training Department will update the candidate's records.

Exam Fees
Endorsement Exam: $100 USD
Commission Exam: $170 USD

Cancellation Fees
  • 30 days or more before scheduled test date: No Fee
  • 5 to 29 days before scheduled test date: $35 USD
  • Fewer than 5 days before scheduled test date, no show for scheduled test date: Full Exam Fee

Click the Exam Title Below to Register.


ENDORSEMENT EXAMS

Authorized Inspector (AI) Exam

The AI Commission Exam is a 85 question, multiple-choice examination given in two 3-1/2 hour periods: Part 1 in the morning, a lunch break, followed by Part 2 in the afternoon. Students must have attended the National Board Authorized Inspector Commission (AI) Course to be eligible to sit for this examination.

Authorized Inspector Supervisor (B) Exam

The B Endorsement Exam is a 50 question, multiple-choice examination given in a four-hour period. Students must have attended the National Board Inspector Supervisor (B/O) Course to be eligible to sit for this examination.

Authorized Nuclear Inservice Inspector (I) Exam

The I Endorsement Exam is a 50 question, multiple-choice examination given in a four-hour period. Students must have attended the National Board Authorized Nuclear Inservice Inspector (I) Course to be eligible to sit for this examination.

Authorized Nuclear Inspector (N) Exam

The N Endorsement Exam is a 50 question, multiple-choice examination given in a four-hour period. Students must have attended the National Board Authorized Nuclear Inspector (N) Course to be eligible to sit for this examination.

Authorized Nuclear Inspector Concrete (C) Exam

The C Endorsement Exam is a 50 question, multiple-choice examination given in a four-hour period. Students must have attended the National Board Authorized Nuclear Inspector Concrete (C) Course to be eligible to sit for this examination.

Authorized Nuclear Inspector Supervisor (NS) Exam

The NS Endorsement Exam is a 50 question, multiple-choice examination given in a four-hour period. Students must have attended the National Board Authorized Nuclear Inspector Supervisor (NS) Course to be eligible to sit for this examination.

Inservice Inspector (IS) Exam

The IS Commission Exam is a 85 question, multiple-choice examination given in two 3-1/2 hour periods: Part 1 in the morning, a lunch break, followed by Part 2 in the afternoon. There is no training prerequisite for sitting for this examination.

Owner-User Inspector Supervisor (O) Exam

The O Endorsement Exam is a 50 question, multiple-choice examination given in a four-hour period. Students must have attended the National Board Inspector Supervisor (B/O) Course to be eligible to sit for this examination.

Repair Inspector (R) Exam

The R Endorsement Exam is a 50 question, multiple-choice examination given in a four-hour period. Students must have attended the National Board Repair Inspector (R) Course to be eligible to sit for this examination.