Residential Plumbing Inspector (P1) Practice Exam

Residential Plumbing Inspector (P1) Practice Exam

The Residential Plumbing Inspector checks to ensure that the plumbing system in a building meets the standards and codes set by their area. They have several duties, including:

• Checking that piping systems are installed and tested correctly.
• Making sure that both the pipes and building parts are protected as needed.
• Confirming that there are enough fixtures, made of approved materials, and meets standards for flow rates, pressure, volume, and temperature.
• Ensuring the safety of the drinking water supply and distribution system.
• Verifying that all materials, connections, and appliances meet the approved standards.
• Checking that fuel gas piping, combustion air, and venting are done properly.

Who should take the exam?

The Residential Plumbing Inspector (P1) exam is ideal for individuals who want to pursue a career in inspecting plumbing systems in residential buildings. This is also suitable for:

• Plumbers or plumbing contractors
• Building inspectors or code enforcement officers
• Plan reviewers or permit processors
• Individuals with construction or engineering backgrounds
• Home inspectors seeking to expand their services
• Individuals interested in starting their own business

Exam Details of Residential Plumbing Inspector (P1)

• Exam Code: P1
• Exam Name: Residential Plumbing Inspector
• Exam Languages: English
• Time Duration: 2-hour limit
• Exam Questions: 60 Questions
• Exam Type: Open Book

Residential Plumbing Inspector (P1) Exam Course Outline 

The Exam covers the given topics  - 

Topic 1: Understanding the General Requirements 14%

• Permits
• Piping System Protection
• Piping System Installation
• Building Component Damage 
• Testing

Topic 2: Learn about Fixtures 8%

• Locations and Required Fixtures 
• Materials and Fixture Approvals
• Installation of Fixtures
• Flow Rates and Temperatures
• Installation of Faucets, Fixture Fittings, and Accessories

Topic 3: Understand Water Heaters 12%

• Use and Installation of Materials and Appliances
• Service and Distribution and Piping
• Valving, Discharge Piping, and Thermal Expansion
• Fuel Gas Piping, Combustion Air, and Venting

Topic 4: Learn about Water Supply and Distribution 21%

• Materials Joints and Connections
• Service and Distribution Piping
• Water Supply and Protection
• Pressure and Volume
• Potable Water and Water Treatment

Topic 5: Understand Sanitary Drainage 23%

• Materials, Fittings, Joints, and Connections
• Building Drains, Sewers, Branches, and Stacks
• Backwater Valves, Sumps, Ejectors, and Cleanouts
• Traps
• Indirect Waste Systems

Topic 6: Learn about Vents 22%

• Materials, Joints, Connections, and Grades
• Sizing 
• Requirements, Methods, and Installation