Delaware Master Plumber License

Tests a candidate’s knowledge of the design, plan, installation, repair, alteration, and maintenance of electric conductors, raceways, and equipment for light, heat, and power.

Delaware Master Plumber Course

Delaware Master Plumber Exams

Master Plumber Trade Exam

  • Testing Method: Computer-based; Open Book
  • Testing Company: Prometric
  • Correct required to pass: 70%
  • Types of Questions: Multiple Choice
  • Time-Limited: 4h
  • Number of questions: 100
  • Subjects Involved:
    • General Electrical Knowledge
    • Wiring and Protecti on
    • Wiring Methods and Materials
    • Equipment for General Use
    • Special Occupancies
    • Special Equipment
    • Special Conditions
    • Communication Systems
    • Safety

Delaware Master Plumber Contractor Book Set

The book set includes all required references for the Master Plumber Contractor business and trade exams. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.

  • DELAWARE MASTER PLUMBER - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $342.71
  • DELAWARE MASTER PLUMBER - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $372.71

Master Plumber Contractor Trade Books

Books Allowed in Testing

Books Not Allowed in Testing