Residential Plumbing Inspector (P1) Practice Exam
Residential Plumbing Inspector (P1) Practice Exam
About Residential Plumbing Inspector (P1) Practice Exam
The Residential Plumbing Inspector exam is designed for professionals who are responsible for ensuring that plumbing system installations adhere to the codes and standards established by their local authority. Key duties of a plumbing inspector include -
- Assessing the installation and performance of piping systems.
- Safeguarding piping systems and structural components.
- Identifying the minimum required fixtures and confirming the use of approved materials and flow rates.
- Protecting the potable water supply and its distribution network.
- Verifying that all materials, joints, connections, and appliances meet approved specifications.
- Inspecting fuel gas piping, combustion air, and necessary venting systems.
Exam Details
- Exam Title: Residential Plumbing Inspector
- Exam ID: P1
- Certification Type: National Certification
- Code Year: 2018
- Total Number of Questions: 60
- Duration of Exam: 2 hours
- Exam Format: Open Book
Exam Content Outline
The Residential Plumbing Inspector (P1) Exam encompasses the following key areas:
Domain 1- General Requirements (13%)
1.1 Permits (1%)
- Understand when permits are necessary and how to issue them.
1.2 Piping System Protection (3%)
- Conduct inspections to ensure piping systems are adequately protected against corrosion, stress, freezing, and physical damage.
1.3 Piping System Installation (3%)
- Verify the correct installation of piping systems, including support, sleeving, and waterproofing measures for exterior openings.
1.4 Building Component Assessment (3%)
- Inspect building components for any damage resulting from plumbing system installations.
1.5 Testing (3%)
- Ensure that all required tests of installed piping systems are carried out.
Domain 2 - Fixtures (8%)
2.1 Locations and Required Fixtures
- Confirm the correct placement and minimum requirements for fixtures. (2%)
2.2 Materials and Fixture Approvals (1%)
- Verify that materials and fixtures are approved for use.
2.3 Installation of Fixtures (2%)
- Inspect for proper installation of fixtures, waste receptors, appliances, and other components, ensuring adequate clearances and sealing.
2.4 Flow Rates and Temperature Control (2%)
- Ensure compliance with maximum and minimum flow rates and temperature settings.
2.5 Installation of Faucets and Accessories (1%)
- Check for proper installation of faucets and related accessories.
Domain 3 - Water Heaters (12%)
3.1 Material Use and Appliance Installation (2%)
- Assess the proper use and installation of materials and check for appliance approvals.
3.2 Service and Distribution Piping (3%)
- Verify the clearances and protections for service and distribution piping.
3.3 Valves and Thermal Expansion (4%)
- Inspect the installation of necessary valves, including T&P valves, and ensure compliance with thermal expansion requirements.
3.4 Fuel Gas Systems (3%)
Check the sizing of fuel gas piping and ensure proper combustion air and venting measures are in place.
Domain 4 - Water Supply and Distribution (22%)
4.1 Materials and Connections (3%)
- Ensure that all materials, joints, and connections are approved.
4.2 Service and Distribution Systems (5%)
- Verify the installation of cold and hot water delivery systems, including identification and sizing.
4.3 Potable Water Protection (7%)
- Inspect the potable water supply system for proper contamination prevention measures.
4.4 Nonpotable Water Systems (2%)
- Check the installation of nonpotable water reuse systems for compliance.
4.5 Pressure and Volume Compliance (3%)
- Verify that systems meet minimum and maximum pressure and volume standards.
4.6 Water Treatment Requirements (2%)
- Confirm adherence to requirements for potable water and proper installation of water treatment systems.
Domain 5 - Sanitary Drainage (23%)
5.1 Materials and Connections (4%)
- Inspect for approved materials and ensure the correct use of fittings and joints.
5.2 Building Drains and Sewers (8%)
- Verify the proper sizing and installation of building drains, sewers, and stacks.
5.3 Backwater Prevention (3%)
- Inspect the installation of backwater valves, sumps, ejectors, and necessary cleanouts.
5.4 Trap Installation (5%)
- Ensure the correct type and installation of traps based on size and location.
5.5 Indirect Waste Systems (3%)
- Check indirect waste systems for proper air breaks or gaps.
Domain 6 - Venting Systems (22%)
6.1 Materials and Sizing (5%)
- Inspect for approved materials and ensure proper sizing of the venting system.
6.2 Installation Requirements (6%)
- Verify compliance with minimum venting standards and installation practices.
6.3 Methods and Standards (11%)
- Assess adherence to venting methods and requirements to ensure proper functionality.
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