Fuel gas work is high-responsibility work. One decision about materials, sizing, venting, or installation practice can affect safety, performance, and inspection outcomes. If you’re preparing for the Minnesota (Minneapolis) Journeyman Fuel Gasfitter exam (ICC 496 MN-MI), the most effective way to study is with the exact references the exam is built from—and with a plan that matches the exam’s content areas.
This Exam Book Package is designed for candidates pursuing a Minneapolis Certificate of Competency who need the correct books for open-book testing. You’ll be studying from the 2020 Minnesota Mechanical and Fuel Gas Code (with included ANSI/ASHRAE standards) and AGA Fundamentals of Gas Combustion (3rd Edition). Together, these references support what the exam is really testing: your ability to apply fuel gas rules safely, understand combustion fundamentals, size and design systems correctly, choose proper components, and verify compliant installations and venting practices.
Because the 496 exam is open book, your goal isn’t to memorize every line. Your goal is to become confident with the concepts and fast with the books. When you can identify what a question is asking and immediately open the right reference section, you move through the exam with steady pace and fewer second guesses.
Use this package to build a strong foundation in:
The exam outline is organized into weighted content areas. A smart study plan follows those weights so you spend the most time where the exam spends the most points:
That weighting tells you exactly how to prioritize your prep. Start with General Knowledge (your biggest scoring bucket), then build strength in Sizing & Designing and General Regulations & Safety. From there, tighten your performance in Components, Installations, and Gas Venting—especially with fast code lookups and confident application.
The Minneapolis Journeyman Fuel Gasfitter exam is an open book test. Open book is a real advantage only when you’re trained to use your references efficiently. With 80 questions in 3 hours, you won’t have time to search for every answer from scratch. The best approach is to understand the topic first, then use the books to confirm details quickly and move on.
Use these open-book habits while you study:
Pacing tip: 80 questions in 180 minutes gives you an average of about 2.25 minutes per question. That’s very manageable when you can quickly identify the topic, pick the correct reference, and locate the controlling section without hesitation.
In Minneapolis, many construction and mechanical trades require a Certificate of Competency card before you can perform work within the city. The ICC exam is one step in that process. While individual backgrounds vary, the general pathway typically looks like this:
This credential is intended to demonstrate that you can work safely and competently with fuel gas systems—applying code requirements, understanding combustion fundamentals, and making correct installation decisions that support safety and compliance.
Minnesota’s adopted mechanical and fuel gas requirements establish the foundation for safe fuel gas work across the state, and the City of Minneapolis requires competency cards for certain trades working inside the city. For journeyman fuel gasfitters, the practical expectation is that you can install, alter, repair, and service fuel gas systems with consistent, code-aligned workmanship.
In real job conditions, meeting those expectations often comes down to:
This Exam Book Package includes the following references for Minneapolis Journeyman Fuel Gasfitter (ICC 496 MN-MI) preparation:
The most efficient way to prepare for ICC 496 MN-MI is to study by the exam weights and build the skill of finding answers quickly. Use the guide below to structure your study sessions and connect each content area to the right reference.
General Knowledge (25%)
This is your biggest scoring category. Focus on core fuel gas terminology, broad code structure, and the “big picture” understanding that helps you recognize correct answers quickly. A strong foundation here makes the rest of the exam feel more predictable. Study by learning how the Minnesota Mechanical and Fuel Gas Code organizes topics—definitions, general provisions, and major requirement sections—then practice fast navigation using the index.
General Regulations and Safety (17%)
This section rewards candidates who understand safe practice thinking and why rules exist. Use AGA Fundamentals of Gas Combustion to strengthen combustion principles and safety awareness, then reinforce your code navigation so you can confirm requirement-based questions quickly. Study with an “outcomes” mindset: safe operation, proper combustion, and risk reduction.
Sizing and Designing (19%)
Sizing and design questions can be points-rich because they’re structured and often tied to specific code guidance. Your best advantage is familiarity with how the code presents sizing logic, methods, and related requirements. Build speed with tables, headings, and common index terms that lead you directly to the correct section. When you practice, focus on two skills: (1) knowing what the question is asking (design intent), and (2) locating the table or method quickly.
Components (12%)
This category tests whether you understand the function and correct application of system components. Learn components by purpose: what the part does, why it is used, and how it affects safety and performance. Then practice confirming details in the code when the question is clearly requirement-driven. Component knowledge becomes easier when you connect it to system outcomes—control, protection, serviceability, and reliable operation.
Installations (15%)
Installation questions often feel like the job: correct practices, arrangement logic, and decisions that support safe operation and inspection approval. Your best prep is to connect code language to real work habits—consistent workmanship, correct application, and verification. Practice identifying the key term in the question and going straight to the controlling section.
Gas Venting (12%)
Venting is safety-critical and frequently tested. Study venting with a “why it matters” approach: venting supports safe appliance operation and proper removal of combustion byproducts. For open-book readiness, build familiarity with the venting organization in the code so you can find the correct section quickly when questions involve venting terms and requirements.
Study plan that fits an open-book, time-limited exam:
1 Exam Prep supports your Minneapolis Journeyman Fuel Gasfitter goal by helping you prepare with structure and trade-focused direction—so your study time goes into the same categories the exam emphasizes. Instead of flipping through books without a plan, you can follow an organized approach aligned to the ICC 496 blueprint: General Knowledge, Regulations and Safety, Sizing and Designing, Components, Installations, and Gas Venting.
Our approach helps you build:
This package is for candidates preparing for the Minnesota (Minneapolis) Journeyman Fuel Gasfitter exam (ICC 496 MN-MI) who want the correct references for open-book exam preparation.
Yes. The Minneapolis Journeyman Fuel Gasfitter exam is an open-book test with an 80-question, 3-hour format.
The exam includes 80 multiple-choice questions with a 3-hour time limit.
The published passing score for the Minneapolis Journeyman Fuel Gasfitter exam (ICC 496 MN-MI) is 70%.
Start with General Knowledge (25%), then focus heavily on Sizing and Designing (19%) and General Regulations and Safety (17%). Reinforce Installations (15%), Components (12%), and Gas Venting (12%) with timed code-navigation drills.
Study with your books open and practice timed question sets. Train yourself to choose the correct reference immediately, use the index efficiently, and confirm details quickly instead of searching from scratch.
Yes. Your code and combustion references remain valuable for ongoing work—supporting code checks, safe practice decisions, inspection preparation, and answering real-world questions that come up during installation and service.