--- title: Industrial Piping Contractor: Books Allowed in the Exam url: https://passyournevadacontractorexam.com/a-20-industrial-piping/nevada-industrial-piping-contractor-a-20-books-allowed-into-exam-package/ updated: 2026-11-10 site: Pass Your Nevada Contractor Exam description: Books Allowed in the Exam for the Nevada Industrial Piping Contractor (A-20) exam: the references PSI allows in the exam room. $199. One-click checkout. --- [All licenses](https://passyournevadacontractorexam.com/) /[Class A general engineering contractors](https://passyournevadacontractorexam.com/#engineering) /[Industrial Piping Contractor (A-20)](https://passyournevadacontractorexam.com/a-20-industrial-piping/) /Books Allowed in the Exam Industrial Piping Contractor (A-20) · Books Allowed in the Exam # Nevada Industrial Piping Contractor (A-20) Books Allowed into Exam Package The Nevada Industrial Piping Contractor (A-20) Books Allowed into Exam Package is the references PSI allows in the exam room for the Industrial Piping Contractor (A-20) exam (Nevada), at $199, 33% off the $299 list price. Books ship from our fulfillment center, 1 Exam Prep. Buy now goes straight to secure checkout at 1 Exam Prep. $199 (was $299) Save 33% [Buy now, go to checkout](https://1examprep.com/cart/45815180197945:1?attributes%5BSite%5D=passyournevadacontractorexam.com&ref=passyournevadacontractorexam.com) - Secure checkout, fulfilled by 1 Exam Prep - Books ship from our fulfillment center, 1 Exam Prep - Questions before you buy? Call [(877) 775-9400](tel:+18777759400) ## Key takeaways - Books Allowed in the Exam: $199, down from $299. - For the Industrial Piping Contractor (A-20) exam; the references PSI allows in the exam room. - Every Nevada contractor license needs the Business and Law (CMS) exam plus a trade exam for the classification, both given by PSI. - Books ship from our fulfillment center, 1 Exam Prep. Buying does not grant exam eligibility. Updated November 10, 2026 · prices checked against the 1 Exam Prep store ## What does the Books Allowed in the Exam include? - Books Allowed in the Exam: the references PSI allows in the exam room - Written for the Industrial Piping Contractor (A-20) exam - Books ship from our fulfillment center, 1 Exam Prep The Books Allowed in the Exam costs $199 and is written for the Industrial Piping Contractor (A-20) exam. Books ship from our fulfillment center, 1 Exam Prep, and Buy now takes you straight to checkout. ## About this Industrial Piping Contractor (A-20) package Prepare for the Nevada Industrial Piping Contractor (A-20) examination with a focused Books Allowed into Exam Package containing the technical reference approved for use inside the examination room. This package includes the **Uniform Mechanical Code, 2018**, giving candidates the primary code reference they need for exam-room navigation and mechanical-code preparation. The Nevada A-20 Industrial Piping classification involves the fabrication and installation of piping used to transmit steam, gases, chemicals, and other substances required for industrial manufacturing or commercial operations. The classification also includes related excavation, trenching, and backfilling. Candidates preparing for this trade should understand both piping systems and the construction methods associated with installing those systems. The package is specifically designed for candidates who need the **book allowed into the Nevada A-20 examination**. It does not include supplemental study-only references covering excavation, hydronic heating, pipefitting mathematics, or OSHA construction safety. Those materials may be useful for broader study, but they are not part of this exam-room-focused package. The **Uniform Mechanical Code, 2018** should become an active part of the study process long before test day. Candidates benefit from learning how the book is organized, how major piping and mechanical topics are arranged, how to use the index, and how to move from a question to the applicable section without wasting valuable exam time. Industrial piping questions can require a combination of practical trade knowledge and code navigation. Understanding the type of system, the materials involved, installation conditions, and the purpose of the piping can help candidates determine whether a code lookup is needed and where to begin searching. ## What You Get - **Uniform Mechanical Code, 2018** — the exam-room reference included in this Nevada Industrial Piping Contractor (A-20) Books Allowed into Exam Package. - **Exam-Room-Focused Preparation:** The package is intended for candidates who specifically need the approved reference used during the Nevada A-20 trade exam. - **Mechanical Code Coverage:** The reference supports study involving piping systems, mechanical equipment, installation requirements, clearances, ventilation, system components, and related mechanical provisions. The package is a practical option for candidates who already have their supplemental study materials and need the specific reference permitted inside the Nevada A-20 Industrial Piping examination. ## Exam Details The Nevada Industrial Piping Contractor (A-20) trade examination evaluates technical knowledge associated with industrial piping systems and the construction work necessary to install those systems. Candidates should be prepared to apply both code-based knowledge and practical piping experience. Preparation should include piping materials, fittings, valves, supports, system components, installation methods, mechanical requirements, excavation, trenching, backfilling, construction safety, and common trade calculations. The **Uniform Mechanical Code, 2018** is especially important because it is the reference included for exam-room use. Candidates should practice locating provisions involving mechanical systems, piping installations, equipment connections, clearances, ventilation, and related technical requirements. Industrial piping work frequently involves large systems serving manufacturing, processing, commercial, or industrial operations. These systems may carry steam, gases, chemicals, or other substances, so candidates should understand how system design, installation, supports, routing, protection, and safe working practices relate to one another. Because excavation, trenching, and backfilling are part of the A-20 scope, candidates should also prepare for underground piping conditions. Although those topics are not covered by this package's single exam-room book alone, they remain important areas of trade knowledge for the broader examination. ## Open Book Test The Nevada Industrial Piping Contractor (A-20) examination is an **open-book test** with a specific approved reference. The book included in this package and permitted inside the examination room is: - **Uniform Mechanical Code, 2018** Candidates should use the Uniform Mechanical Code throughout preparation so they are already familiar with its organization by the time they enter the testing center. Opening a large technical code for the first time on exam day can make even simple searches take longer than necessary. A strong exam strategy is to identify the subject of the question before searching the book. If the question involves piping, equipment, installation requirements, ventilation, clearances, or a related mechanical issue, begin with the relevant index term or chapter rather than scanning pages randomly. The index and table of contents should both be used during study. The index can help locate specific technical terms, while the table of contents can help candidates understand how the code is divided into major subjects. Definitions also matter. Mechanical codes frequently use specific technical language, and understanding the defined meaning of a term can affect how a requirement is interpreted. Tables, exceptions, and cross-references should be reviewed carefully. A provision may refer to another section or include conditions that change how the general rule applies. Candidates should avoid stopping at the first sentence that appears to match the question. Open-book testing works best when the candidate already understands the trade. The Uniform Mechanical Code should be used to confirm specific technical requirements, not to replace basic knowledge of piping systems and industrial construction. ## Licensing Steps The Nevada A-20 Industrial Piping trade examination is one component of the contractor licensing process. Applicants must complete the applicable licensing requirements in addition to preparing for the examination. 1. **Confirm the A-20 Industrial Piping classification.** Make sure the work the business intends to perform falls within the Industrial Piping contractor scope. 2. **Identify the qualifying individual.** The contractor license application must designate the person responsible for providing the applicable trade qualification. 3. **Prepare qualifying experience documentation.** Organize applicable work history demonstrating experience related to industrial piping systems and associated construction activities. 4. **Complete the Nevada contractor license application.** Provide the required business, qualifying individual, experience, financial, and supporting information. 5. **Submit the application for review.** The application proceeds through the Nevada contractor licensing process before examination eligibility is established. 6. **Prepare for the A-20 examination.** Study industrial piping, excavation, trade mathematics, hydronic concepts, construction safety, and mechanical-code requirements. 7. **Practice with the approved reference.** Use the Uniform Mechanical Code, 2018 throughout preparation so exam-room navigation becomes more familiar. 8. **Complete the applicable examinations.** Satisfy the examination requirements associated with the contractor license application unless an authorized waiver applies. 9. **Complete remaining licensing requirements.** Finish all other applicable requirements before the contractor license is issued. Candidates can begin code-navigation practice while completing other parts of the licensing process. Regular use of the Uniform Mechanical Code helps make the book more familiar and can reduce unnecessary searching during the trade exam. ## State Requirements The Nevada A-20 Industrial Piping classification covers the fabrication and installation of piping used for the transmission of **steam, gases, chemicals, and other substances required for industrial manufacturing or commercial operations**. The classification also includes **related excavation, trenching, and backfilling**. This makes A-20 work broader than pipe assembly alone because industrial piping systems may require substantial site preparation, underground installation, and coordination with other construction activities. Candidates should therefore prepare for both technical piping concepts and the practical conditions that affect industrial piping projects. These can include layout, materials, supports, excavation, underground installation, access, equipment, and safety. The qualifying individual must establish the applicable trade qualification for the requested classification as part of the Nevada contractor licensing process. The trade examination is important, but it is only one part of the overall licensing requirements. Applicants must complete the other applicable application, qualification, business, financial, and licensing steps before a Nevada contractor license can be issued. ## Reference Books - **Uniform Mechanical Code, 2018** The mechanical-code reference supports preparation involving piping systems, mechanical equipment, installation requirements, clearances, ventilation, system components, and related mechanical provisions. It is the exam-room reference included in this Nevada A-20 Industrial Piping Books Allowed into Exam Package. The Uniform Mechanical Code should be used actively during preparation. Candidates should become familiar with major sections, chapter organization, technical terminology, indexes, tables, and cross-referenced provisions. Rather than reading the entire code from beginning to end, candidates can organize preparation by topic. One study session might focus on piping, another on equipment, and another on ventilation or installation requirements. This approach can make the code easier to understand and navigate. Practice questions are useful for developing this skill. Read the question first, identify the main keyword, locate the term in the index, and then trace the reference to the appropriate code section. Repeating this process can help build a more reliable search routine. ## Exam Room Approved Books - **Uniform Mechanical Code, 2018** Uniform Mechanical Code, 2018 is the approved exam-room reference included in the Nevada Industrial Piping Contractor (A-20) Books Allowed into Exam Package. Candidates should use it throughout preparation for mechanical-code navigation practice and test-day reference use. The package is specifically focused on the book allowed into the Nevada A-20 examination. Supplemental study references covering excavation, hydronic systems, pipefitting mathematics, and OSHA safety are not included in this package. ## Test Information and Study Materials A strong Nevada A-20 preparation plan should combine mechanical-code navigation with practical industrial piping knowledge. Because only the Uniform Mechanical Code is included in this exam-room package, candidates should make sure their broader study plan also addresses subjects that must be learned without relying on this reference. **Piping Systems** should include materials, fittings, valves, supports, joints, system components, installation methods, and how industrial piping is used to transmit steam, gases, chemicals, and other substances. **Mechanical Code** preparation should center on the Uniform Mechanical Code. Candidates should practice locating information instead of only reading it. Use the index, chapter headings, definitions, tables, and cross-references to develop a repeatable navigation process. **Excavation and Trenching** should be part of the broader study plan because the A-20 classification includes related excavation, trenching, and backfilling. Candidates should understand underground pipe installation, trench conditions, bedding, backfill, access, and safe excavation concepts. **Trade Mathematics** is also important for piping work. Measurements, fractions, decimals, elevations, offsets, dimensions, lengths, and other calculations may be necessary when solving practical trade questions. **System Knowledge** should include how fluids move through piping networks, the role of valves and controls, the effect of pressure and flow, and how piping systems connect to equipment or other components. **Construction Safety** should not be overlooked. Industrial piping can involve excavation, heavy materials, tools, lifting, equipment, access hazards, and other demanding field conditions. For exam-room preparation, use the Uniform Mechanical Code in timed practice sessions. Begin with a question, determine the topic, select a search term, locate the code section, and confirm the requirement. If a search takes too long, make note of the subject and return to it later. Repeating difficult lookups can help candidates become more familiar with the route through the code. When you find a likely answer, read the surrounding section rather than relying on a single line. Exceptions, definitions, special conditions, or referenced sections may affect the final interpretation. Building familiarity with the book can also reduce stress on test day. Candidates who know where major subjects are generally located can move through the code more efficiently than candidates who rely entirely on the index for every question. ## More on test Information and Study Materials A productive study routine might rotate between code navigation and closed-reference trade review. One session could focus on Uniform Mechanical Code lookups, while another focuses on piping calculations or excavation knowledge without using a reference. The combination helps candidates develop both lookup skills and practical recall. Open-book testing is most effective when a candidate already understands the trade and uses the code only where detailed confirmation is needed. ## How Pass Your Nevada Contractor Exam Helps You Reach Your Goal Pass Your Nevada Contractor Exam supports Nevada Industrial Piping Contractor candidates through organized study guidance, trade-focused review, practice-oriented preparation, reference navigation, and structured preparation for the technical subjects associated with the A-20 classification. The Books Allowed into Exam Package gives candidates the **Uniform Mechanical Code, 2018** for focused preparation with the reference permitted inside the Nevada A-20 exam room. Using the code throughout preparation can help candidates become more familiar with its chapters, definitions, index, tables, and technical requirements. That familiarity can be especially useful when working under exam time limits. Pass Your Nevada Contractor Exam encourages candidates to combine code navigation with real trade knowledge. Understanding industrial piping systems makes it easier to identify which section of the code may apply and whether a lookup is actually necessary. Practice-oriented preparation can also help candidates identify weak areas. If mechanical-code questions are difficult, candidates can increase navigation drills. If piping concepts or calculations are challenging, additional trade-focused review can be added to the study schedule. The goal is to help candidates approach the Nevada Industrial Piping Contractor examination with stronger familiarity with the approved reference, a more organized study routine, and better confidence using the Uniform Mechanical Code as an exam tool. ### What book is included in the Nevada A-20 Books Allowed into Exam Package? The package includes the **Uniform Mechanical Code, 2018**. ### Is the Uniform Mechanical Code, 2018 allowed inside the Nevada A-20 exam? Yes. The Uniform Mechanical Code, 2018 is the exam-room reference included with this package. ### Is the Nevada Industrial Piping Contractor exam open book? Yes. The Nevada A-20 trade examination is open book with the approved Uniform Mechanical Code, 2018 reference. ### What does the Nevada A-20 Industrial Piping classification cover? The classification covers fabrication and installation of piping used to transmit steam, gases, chemicals, and other substances needed for industrial manufacturing or commercial operations, along with related excavation, trenching, and backfilling. ### Does this package include Pipe and Excavation Contracting? No. This package is specifically focused on the Uniform Mechanical Code, 2018 book allowed into the examination room. ### Does this package include Modern Hydronic Heating? No. Modern Hydronic Heating is a supplemental study reference and is not included in this Books Allowed into Exam Package. ### Does this package include Mathematics for Plumbers and Pipefitters? ## More on how Pass Your Nevada Contractor Exam Helps You Reach Your Goal No. This exam-room-focused package contains only the Uniform Mechanical Code, 2018. ### Does this package include OSHA 29 CFR Part 1926? No. OSHA is a supplemental study reference and is not included in this package. ### Why should I practice with the Uniform Mechanical Code before test day? Regular navigation practice helps candidates become familiar with the code's organization, terminology, index, tables, and major sections before using it under exam conditions. ### How should I use the Uniform Mechanical Code during study? Use practice questions to identify keywords, locate applicable sections, review surrounding provisions, and repeat difficult lookups until navigation becomes more familiar. ### Does this package guarantee a passing score? No. This package provides the approved exam-room reference to support organized preparation and code navigation. Examination results depend on each candidate's knowledge, experience, study, and performance. ## How does the Industrial Piping Contractor (A-20) exam work? The Industrial Piping Contractor (A-20) license comes from the Nevada State Contractors Board. You apply to the NSCB with your experience and financial statement, the Board sends an exam eligibility letter, and you book the CMS and the trade exam with PSI. Scores come right after the exam. - Every Nevada contractor license needs the Business and Law (CMS) exam plus a trade exam for the classification, both given by PSI. - The CMS is open book with the Construction Business and Law Manual for Nevada; trade exams are closed book except for the code references their outline allows. - PSI charges $95 for one exam portion, or $140 for a trade exam taken with the CMS, and you get three attempts before the application is void. - The Board sets a bond from $1,000 to $500,000 and a monetary limit on every license, based on your experience and financial statements. ## Other Industrial Piping Contractor (A-20) options [**Book Package** Nevada Industrial Piping Contractor (A-20) Exam Book Package $695](https://passyournevadacontractorexam.com/a-20-industrial-piping/nevada-industrial-piping-contractor-a-20-exam-book-package/) [Compare every Industrial Piping Contractor (A-20) package →](https://passyournevadacontractorexam.com/a-20-industrial-piping/) [Choose a different license →](https://passyournevadacontractorexam.com/) ### More class a general engineering contractors [General Engineering Contractor (A)](https://passyournevadacontractorexam.com/a-general-engineering/) · [Commercial and Residential Pools Contractor (A-10)](https://passyournevadacontractorexam.com/a-10-commercial-and-residential-pools/) · [Residential Pools Contractor (A-10A)](https://passyournevadacontractorexam.com/a-10a-residential-pools/) · [Residential Spas Contractor (A-10B)](https://passyournevadacontractorexam.com/a-10b-residential-spas/) · [Repair of Pools and Spas Contractor (A-10C)](https://passyournevadacontractorexam.com/a-10c-repair-of-pools-and-spas/) · [Nevada exam FAQ](https://passyournevadacontractorexam.com/faq/) · [Study tips](https://passyournevadacontractorexam.com/blog/) ## Questions before you buy ### How much is the Nevada Industrial Piping Contractor (A-20) Books Allowed into Exam Package? $199. The price at checkout is the one that applies, and it is shown before you pay. ### What is included? Books Allowed in the Exam: the references PSI allows in the exam room. Books ship from our fulfillment center, 1 Exam Prep. ### Is the Industrial Piping Contractor (A-20) exam open book? Partly. The Business and Law (CMS) exam is open book with the Construction Business and Law Manual for Nevada. Trade exams are closed book except for the code references named in the PSI content outline for your classification, which is why the exam-room book packages are sold as allowed in the exam. ### Who issues the license or certification? It comes from the Nevada State Contractors Board (NSCB), with exams by PSI. Buying study material does not register you or make you eligible to test. ### Are these the real exam questions? No. Licensing exam questions are confidential. Courses and practice exams are original material written to the same subjects and format. ### How fast can I start? Online courses and practice exams arrive by email after purchase. Books ship from our fulfillment center, 1 Exam Prep; shipping options are shown at checkout. ## Sources - [NSCB: license examinations](https://www.nvcontractorsboard.com/licensing/license-examinations/) - [PSI: Nevada contractor management (CMS) bulletin](https://test-takers.psiexams.com/api/content/bulletin/304) - [NSCB: license bonds](https://nvcontractorsboard.com/bonds) - [NSCB: new license application](https://www.nvcontractorsboard.com/wp-content/uploads/2026/08/New-License-Application.pdf) Licensing facts checked against these pages; last updated November 10, 2026. Rules change, so confirm with the board before you apply. --- Source: https://passyournevadacontractorexam.com/a-20-industrial-piping/nevada-industrial-piping-contractor-a-20-books-allowed-into-exam-package/ Publisher: Pass Your Nevada Contractor Exam. Orders are fulfilled by 1 Exam Prep (https://1examprep.com). Phone (877) 775-9400, email sales@1examprep.com. Prices change; the product page and checkout show the current price.