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The Arizona Solar Plumbing, Liquid System Only Commercial Contractor (C-78) Books Allowed into Exam Package from 1 Exam Prep is specifically designed for contractors preparing for the Arizona Solar Plumbing, Liquid System Only Commercial Contractor (C-78) licensing exam. This package includes the official references allowed inside the testing center and provides the essential knowledge needed for solar liquid heating systems, plumbing system integration, mechanical equipment installation, hydronic piping systems, and OSHA safety compliance.
Whether you work in solar water heating installations, liquid-based solar thermal systems, commercial hydronic systems, plumbing and mechanical piping applications, energy-efficient heating projects, or large-scale commercial solar thermal construction, this package helps you prepare for Arizona’s open-book exam format while strengthening your understanding of industry-standard plumbing, mechanical, and safety requirements.
Because the Arizona C-78 exam is an open-book exam, success depends heavily on your ability to efficiently navigate technical references and quickly locate important information during the exam. This package helps you become familiar with the approved reference materials so you can improve speed, efficiency, and confidence on test day.
📚 Books Included – Allowed in the Exam
Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
International Plumbing Code (IPC), 2018 Edition
International Mechanical Code (IMC), 2018 Edition
These are the official references permitted inside the Arizona testing center for the Solar Plumbing, Liquid System Only Commercial Contractor (C-78) exam.
The OSHA 29 CFR Part 1926 regulations provide comprehensive safety standards related to construction site operations, mechanical equipment installation, fall protection, employee protection requirements, confined space procedures, and OSHA compliance practices.
The International Plumbing Code (IPC), 2018 Edition establishes standards related to plumbing systems, water supply systems, piping materials, drainage requirements, hydronic piping applications, and code-compliant plumbing installations.
The International Mechanical Code (IMC), 2018 Edition provides standards related to mechanical equipment, solar thermal systems, hydronic heating systems, piping installations, ventilation requirements, and commercial mechanical code compliance.
Key topics include:
Solar liquid heating systems
Commercial solar thermal applications
Hydronic piping systems
Mechanical equipment installation
Water supply and plumbing systems
Solar plumbing integration standards
Commercial mechanical and plumbing code compliance
Inspection and compliance procedures
Construction materials and methods
OSHA construction safety regulations
Energy-efficient heating system standards
🔧 What This Package Does for You
Built for Arizona’s Open-Book Exam Format
The Arizona Solar Plumbing, Liquid System Only Commercial Contractor (C-78) exam is designed to test your ability to efficiently navigate technical references and quickly locate important information—not simply memorize code requirements and safety regulations.
This package helps you:
Become familiar with the structure of the approved references
Learn how to quickly locate answers
Improve speed and efficiency during testing
Build confidence using the actual exam-approved materials
Strengthens Solar Plumbing & Mechanical Knowledge
Develop a strong understanding of:
Solar thermal liquid system installation
Commercial hydronic piping systems
Mechanical equipment and plumbing integration
Water heating and circulation systems
Commercial plumbing and mechanical code compliance
OSHA safety standards for solar plumbing construction
Industry-Relevant & Practical
The included OSHA, IPC, and IMC references are not only valuable for exam preparation, but also serve as practical field resources for contractors working on solar plumbing, hydronic heating, and commercial solar thermal projects throughout Arizona.
🎯 Why This Package Works
Includes the Exact Books Allowed in the Arizona Exam
Study directly from the official references permitted inside the testing center.
Designed for Faster Code Navigation
Helps improve your ability to quickly locate technical information under exam conditions.
Supports Both Exam Success & Field Application
Strengthens your understanding of solar liquid systems, plumbing and mechanical standards, safety requirements, and code compliance used in real-world projects.
Focused & Efficient
Provides the exact core references needed for Arizona C-78 exam preparation without unnecessary materials.
🚀 Who This Package Is For
Contractors preparing for the Arizona Solar Plumbing, Liquid System Only Commercial Contractor (C-78) License
Solar thermal system installers
Commercial plumbing contractors
Hydronic heating specialists
Mechanical piping professionals
Energy-efficient water heating contractors
Contractors seeking to improve open-book exam efficiency
🚀 Why Choose 1 Exam Prep
At 1 Exam Prep, we specialize in helping contractors pass licensing exams and build successful businesses in the construction industry. Our exam packages are designed around:
Actual Arizona licensing requirements
Real-world construction knowledge
Open-book exam navigation strategies
Industry-standard code references
Proven contractor-focused learning systems
We help contractors prepare not only to pass the exam, but also to perform successfully in the field after licensure.
💡 Important Exam Insight
The Arizona Solar Plumbing, Liquid System Only Commercial Contractor (C-78) Exam is an open-book exam, meaning approved reference materials may be brought into the testing center.
However, successful candidates understand that passing is not about memorizing every plumbing or mechanical code—it’s about knowing how to efficiently navigate the references under time pressure. Becoming familiar with the organization and layout of OSHA 29 CFR Part 1926, the International Plumbing Code, and the International Mechanical Code can significantly improve exam performance.