Washington Medical Gas Piping Installer (MG01) License

The Medical Gas Piping Installer (MG01) License allows you to do the following work:

• Work on medical gas piping systems that deliver:
  • Oxygen
  • Nitrous oxide
  • High-pressure nitrogen
  • Medical compressed air
  • Medical vacuum systems

“Medical gas piping installer" means a journey level plumber who has been issued a medical gas piping installer endorsement.

How to Get the Medical Gas Piping Installer (MG01) License in Washington?

1. Have experience as a Plumber Trainee. If you don’t have experience as a Plumber Trainee, meet the following requirements and apply for a Plumbing Trainee certificate:
   • Be at least 16 years of age
   • Work under the supervision of a journey level or certified plumber
   • Take 8 hours of plumbing code and 4 hours of electrical classes in two years
2. Fill out anAffidavit of Experience to report the supervised work hours as a plumber trainee
3. Meet the required experience or education depending on the license applying for:
   • Medical Gas Piping Installer (MG01): Complete a minimum of 32 hours of training in a medical gas training course
4. Fill out and notarize an Application for Contractor License
5. Complete and obtain a Surety Bond or Assigned Savings Account
6. Get a Certificate of Liability Insurance
7. Choose a designated plumber to hold the valid plumber certificate. The designated plumber can be another person or the applicant, depending on whether they are applying as a business or as a sole proprietor
8. Satisfy the following educational requirements and apply for the plumber examination with PSI©:
   • Medical Gas Piping Installers (MG01) - A notarized Affidavit of Continuity to report applicable brazing experience. Brazing experience must be certified every 6 months
9. Refer to PSI© Plumbing Examinations Candidate Information Bulletin. For more information on the test (locations, subjects, books to prepare for the exam)
10. Submit a complete packet with all the required documents to:
    Washington State Department of Labor & Industries
    Plumber Certification
    PO Box 44470
    Olympia WA 98504-4470

Washington Medical Gas Piping Installer (MG01) License Exam Prep Course

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Washington Medical Gas Piping Installer (MG01) License Exam

Below is all the information related to the trade exam, including the official reference list.

Washington Medical Gas Piping Installer (MG01) Trade Exam

• Testing Method: Computer-based testing
• Testing Company: PSI©
• Number of Questions: 100
• Types of Questions: Multiple choice
• Time Allowed: 90 Minutes
• Minimum Passing Score: 70%
• Subjects Involved:
  • Medical Vacuum Systems
  • Nitrous Oxide
  • Oxygen
  • Medical Compressed Air
  • Gas and Vacuum Systems
  • Pump Specialty
  • High-pressure Nitrogen
  • Medical Gas
• PSI© Medical Gas Piping Installer (MG01) Official Content Outline

Candidates must apply for eligibility with the Department before being allowed to take the examination. Please note that this examination is open-book.

Washington Medical Gas Piping Installer (MG01) Book Set

This set of books includes all required references for the Medical Gas Piping Installer (MG01) exam. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.

Washington Medical Gas Piping Installer (MG01) Exam Books

Books Allowed in Testing

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