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

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Delaware Master Plumber Exams

Master Plumber Trade Exam

• Testing Method: Computer-based; Open Book
• Testing Company: ProV©
• Number of Questions: 100
• Time Allowed: 3 Hours
• Minimum Passing Score: 70%
• Subjects Involved (No. of Questions):
  • General Knowledge (16)
  • Isometrics & Plan Reading (8)
  • Plumbing Math (8)
  • Drain, Waste & Vent Systems (14)
  • Water Supply and Distribution (14)
  • Fixtures & Fittings (8)
  • Water Heaters (10)
  • Fuel Gas Systems (10)
  • Storm & Roof Drainage (6)
  • Safety (6)

Delaware Master Plumber Book Set

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

Master Plumber Trade Books

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