Prepare for the Nevada Chilled-Water Piping Contractor (C-1I) trade examination with a focused Books Allowed into Exam Package containing the references approved for use during the exam. This package is designed for candidates who already have their broader technical study materials and specifically need the code books permitted in the Nevada C-1I examination room.
The package includes the Uniform Plumbing Code, 2018 and the Uniform Mechanical Code, 2018. These two references support preparation for piping materials, piping installation, valves, controls, pumps, equipment, and other code-related subjects associated with chilled-water piping systems.
The Nevada C-1I Chilled-Water Piping subclassification focuses on the fabrication, installation, repair, and removal of pipes, pumps, valves, and other equipment used to transfer chilled water for temperature control. The scope does not authorize a C-1I contractor to fabricate, install, repair, remove, or connect to a chiller.
Because the C-1I examination is open book, candidates should become comfortable navigating both the Uniform Plumbing Code and Uniform Mechanical Code before test day. Efficient reference use can help candidates locate specific requirements without consuming unnecessary testing time.
This package is intentionally limited to the books approved for use inside the C-1I examination. It does not include additional refrigeration, pipefitting mathematics, or OSHA study books that are not allowed into the exam room. Candidates who already own or have access to their broader technical study resources can use this package to complete their approved-reference set.
A productive preparation strategy combines practical piping knowledge with repeated code-navigation practice. Candidates should understand piping materials, joining and installation methods, pumps, valves, controls, system components, and safety while also knowing when to consult the UPC or UMC for a precise code requirement.
The Nevada C-1I Chilled-Water Piping trade examination is administered through PSI for candidates authorized to test through the Nevada State Contractors Board.
The examination content is divided into the following areas:
Piping Materials accounts for one-third of the exam. Candidates should review common piping materials, fittings, joining methods, compatibility, applications, and applicable requirements for chilled-water piping systems.
Piping Installation also represents 10 questions. Preparation should include routing, joining, supports, connections, layout, installation practices, valves, system components, and code requirements that affect chilled-water piping work.
Valves, Controls, Pumps, and Equipment accounts for seven questions. Candidates should understand the functions of pumps, flow-control devices, isolation valves, control components, and other equipment used to move and regulate chilled water through a system.
Safety accounts for three questions. Candidates should understand jobsite hazards, safe use of tools, personal protective equipment, lifting and material handling, fall hazards, and other safety principles associated with piping installation.
With 30 questions and 75 minutes available, candidates have an average of approximately two and a half minutes per question. Effective preparation should include timed reference-navigation exercises so candidates can locate code provisions without losing too much time.
The Nevada C-1I Chilled-Water Piping examination is an open-book test. The approved exam-room references included in this package are:
Candidates should use both books throughout preparation. The goal is to become familiar with the organization of each reference and learn which code is most likely to contain the information needed for a particular question.
The Uniform Plumbing Code, 2018 supports preparation involving piping materials, joints, fittings, installation requirements, water-system provisions, and related piping topics.
The Uniform Mechanical Code, 2018 supports preparation involving mechanical equipment, hydronic-system relationships, mechanical piping, system components, and other requirements relevant to chilled-water piping.
Approved references may be highlighted, underlined, and indexed before the examination. Permanent tabs may be used. Temporary tabs such as Post-it notes are not permitted. Candidates should prepare their references before arriving for the exam and become familiar with the organization of the books through repeated study.
An open-book examination still requires strong trade knowledge. Candidates should not expect to search for every answer. Questions involving familiar piping methods, pumps, valves, controls, materials, or practical installation concepts may be answered more efficiently from technical knowledge.
A strong approach is to determine whether a question requires a specific code rule. When it does, identify whether the UPC or UMC is the more appropriate reference and then locate the relevant section. This method can reduce random searching and improve overall testing pace.
The Nevada State Contractors Board regulates the C-1I Chilled-Water Piping subclassification. Passing the trade examination is one part of the complete Nevada contractor licensing process.
The Nevada C-1I Chilled-Water Piping subclassification covers the fabrication, installation, repair, and removal of pipes, pumps, valves, and other equipment used in the transfer of chilled water for temperature control.
The classification has an important limitation: a C-1I license does not authorize the holder to fabricate, install, repair, remove, or connect to a chiller. Candidates should understand this distinction when preparing for the examination and when evaluating the type of work authorized under the classification.
The scope is therefore centered on the chilled-water distribution side of a system. This includes piping, pumps, valves, and related components that transfer chilled water, rather than the chiller itself.
For the standard Nevada contractor licensing pathway, the qualifying individual generally must document at least four years of qualifying experience within the applicable experience period required by the Nevada State Contractors Board.
Experience should relate directly to the requested classification. Applicants should maintain organized records describing the systems worked on, responsibilities held, equipment involved, and the period during which the qualifying work was performed.
Nevada contractor licensing also includes management qualification, financial responsibility review, bonding, background procedures, and other licensing requirements. Passing the C-1I trade examination alone does not automatically result in contractor license issuance.
This package contains only the books allowed into the C-1I examination room. Candidates who already have technical study materials for refrigeration, pipefitting mathematics, safety, and general piping concepts can use this package to complete their exam-room reference set.
A strong C-1I preparation plan should reflect the weighting of the examination. Piping Materials and Piping Installation together account for 20 of the 30 questions, so those subjects should receive the greatest amount of study time.
Prioritize piping materials. Review commonly used piping materials, fittings, joints, joining methods, compatibility, supports, and the code requirements that affect their selection and installation.
Study piping installation. Review layout, routing, supports, connections, valves, installation methods, and relationships between piping and mechanical equipment.
Review pumps. Understand how pumps circulate chilled water and how pumping equipment relates to piping systems, valves, and controls.
Study valves and controls. Candidates should understand the purpose of isolation, regulation, and control components used within chilled-water distribution systems.
Review equipment relationships. Understand how piping connects with system components while remembering that the C-1I scope does not authorize connection to a chiller.
Prepare for safety. Review common piping and construction hazards, safe tool use, personal protective equipment, lifting, material handling, and general jobsite practices.
Practice UPC navigation. Use the Uniform Plumbing Code to locate requirements related to piping materials, fittings, joints, water systems, and installation practices.
Practice UMC navigation. Use the Uniform Mechanical Code to locate requirements involving mechanical systems, hydronic relationships, equipment, and mechanical piping.
Learn which code to use. One of the most useful skills on a multi-reference open-book exam is choosing the correct book before beginning a search. Candidates should practice identifying whether a question is primarily plumbing-code or mechanical-code based.
Use timed searches. With 75 minutes for 30 questions, reference lookups should be efficient. Practice locating code provisions within a short period so that one difficult question does not consume too much of the examination.
Balance code study with trade knowledge. The exam can include questions based on trade knowledge and general industry practices. Candidates should understand the technical concepts rather than relying entirely on the approved books.
1 Exam Prep supports Nevada C-1I Chilled-Water Piping Contractor candidates through organized study guidance, trade-focused review, practice-oriented preparation, reference navigation, and confidence-building study structure.
This Books Allowed into Exam Package focuses on the two references candidates can use during the C-1I trade examination: the Uniform Plumbing Code, 2018 and Uniform Mechanical Code, 2018.
Reference-navigation practice helps candidates learn which book applies to different types of questions. Instead of randomly searching both references, candidates can develop a process for identifying the subject, selecting the correct code, and locating the relevant provision efficiently.
Trade-focused preparation keeps attention on the largest areas of the exam. Piping Materials and Piping Installation make up two-thirds of the examination, while pumps, valves, controls, equipment, and safety complete the technical scope.
Practice-oriented review helps candidates identify areas that need more work. A candidate with extensive piping-installation experience may need additional code-navigation practice, while another may need more study involving materials, pumps, valves, or controls.
The Uniform Plumbing Code and Uniform Mechanical Code should be used regularly before test day so candidates become familiar with their organization. Repeated reference use can help improve confidence and efficiency during the timed examination.
By combining the approved exam-room references with structured study, trade-focused preparation, and repeated code-navigation practice, 1 Exam Prep helps candidates build a focused approach to preparing for the Nevada C-1I Chilled-Water Piping Contractor examination.
The package includes the Uniform Plumbing Code, 2018 and Uniform Mechanical Code, 2018.
Yes. The Uniform Plumbing Code, 2018 and Uniform Mechanical Code, 2018 are approved references for the Nevada C-1I trade examination.
Yes. The Nevada C-1I Chilled-Water Piping examination is an open-book test using the approved references.
The examination contains 30 questions.
Candidates have 75 minutes to complete the C-1I trade examination.
The minimum passing score is 21 correct answers out of 30 questions.
Piping Materials and Piping Installation are the largest categories, with 10 questions each.
The classification covers fabrication, installation, repair, and removal of pipes, pumps, valves, and other equipment used to transfer chilled water for temperature control.
No. The C-1I scope does not authorize the holder to fabricate, install, repair, remove, or connect to a chiller.
Yes. Candidates should become comfortable navigating both the Uniform Plumbing Code and Uniform Mechanical Code and learn which reference applies to different types of questions.
Approved references may be highlighted, underlined, and indexed before the exam, and permanent tabs may be used. Temporary tabs such as Post-it notes are not permitted.
No. This package is specifically focused on the books allowed into the C-1I examination room.
This package is best for candidates who already have their broader technical study resources and specifically need the Uniform Plumbing Code, 2018 and Uniform Mechanical Code, 2018 for the Nevada C-1I examination.