Minnesota Class B Installer Practice Test

This practice test contains over 1,000 pages (over 2,200 questions) and includes answer keys. The questions are based on the 2020 National Electrical Code.

This practice test will supplement your experience and other prep materials you may be using, such as the reference & code books. This comprehensive practice test is based on the actual state requirements and bulletin information to ensure it is highly relevant and helps you pass your Minnesota Class B Installer license.

Exam Administrator

Minnesota Department of Labor and Industry (DLI)

Candidate Information Web Page

MN Dept of Labor and Industry Electrical Contractors

Successfully completing a license examination provides evidence that the applicant possesses the necessary knowledge and expertise to be licensed in a specific profession or for a specific scope of work within a profession.
Licensing examinations are designed to assess the applicant’s competence after they have completed their qualifying education, training and experience. Licensing examinations are designed to assess higher level skills than academic examinations by assessing the applicant’s ability to apply the competencies they gained from their education, training and experience in actual practice.
Licensing examinations are intended to assure the public that the person passing an examination is qualified to practice within the scope of the license without causing harm to the public.
The purpose of this license examination guide is to provide applicants with awareness of knowledge areas covered by specific license examinations, question and examination format, degree of difficulty for specific license examinations, length of examination and length of time allowed to complete their examination.
Applicants are encouraged to review this entire guide to ensure their understanding of the examination process and governing rules.