Oklahoma Residential Plumbing and Natural Gas Contractor Exam Book Package

The Oklahoma Residential Plumbing and Natural Gas Contractor Exam – Book Package from 1 Exam Prep is designed to provide you with the core reference materials required to prepare for the Oklahoma Residential Plumbing and Natural Gas Contractor exam. This package includes the essential books used on the exam, helping you build a strong foundation in residential plumbing systems, natural gas installation, and jobsite safety.

Whether you’re studying on your own or pairing these books with an exam prep program, this package ensures you’re working directly with the same materials used during the open-book exam—so you can become familiar with the layout, structure, and key sections ahead of test day.

📦 Book Package Includes

• International Residential Code (IRC), 2018 Edition
• Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
• Mathematics for Plumbers and Pipefitters, 8th Edition

🔧 Plumbing & Natural Gas Trade References

✅ International Residential Code (IRC), 2018 Edition
The primary code for residential construction, including plumbing and fuel gas systems. Covers water supply, drainage, venting, fixtures, and residential gas installation requirements commonly tested on the exam.

✅ Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
Provides essential jobsite safety standards including PPE, excavation safety, trenching, hazard communication, and construction site compliance.

✅ Mathematics for Plumbers and Pipefitters, 8th Edition
Covers practical math skills required for plumbing and gas work, including measurements, conversions, pipe sizing, offsets, and layout calculations.

🚀 Why This Package Works

This package is built to give you a solid foundation for exam success by providing:

• The exact books used on the Oklahoma Residential Plumbing and Natural Gas Contractor exam
• Core residential plumbing and gas system knowledge
• OSHA safety standards required on every jobsite
• Practical math skills needed for both the exam and field work

By studying directly from these references, you’ll gain the familiarity and confidence needed to navigate the open-book exam efficiently and perform at a high level on test day.