The Philadelphia Engineer Grade C license supports professionals responsible for operating and maintaining boiler equipment where safe startup, steady operation, shutdown, and routine monitoring are critical. The ICC 335_PA_PH exam is built to confirm that you understand boiler fundamentals, safe operating practices, and the practical knowledge required in a working boiler room—not just textbook definitions.
This Exam Book Package is designed around the two core references you listed for Grade C prep: High Pressure Boilers, 6th Edition (2019) and Low Pressure Boilers, 5th Edition. Together, they help you cover core boiler principles, operating procedures, common components, and safety-focused troubleshooting that typically appears in engineer-grade exams.
Because the exam is open book, success depends heavily on how well you can navigate your references. With the right books in hand, you can build a repeatable study routine: learn the concept, practice the scenario, confirm the exact detail in the text, and move on with confidence.
Grade C exams are typically focused on boiler principles, safe operations, and practical monitoring responsibilities. Your best preparation strategy is to train the knowledge you’ll use every day: startup and shutdown awareness, operational checks, safety devices, water-level awareness, basic combustion concepts, and common component functions.
The Philadelphia Engineer Grade C exam is commonly administered as an open book test, meaning you can use approved references during testing. Open book is a major advantage when you prepare the right way—by learning how to find answers quickly rather than trying to memorize everything.
For Grade C, open-book practice usually improves performance in three ways:
Philadelphia requires an Engineer License for individuals working as engineers to operate or maintain equipment such as boilers and other regulated machinery within the City. Engineer licenses are issued by grade, and Grade C is one of the City’s defined categories.
Engineer licensing for Philadelphia is administered through the City of Philadelphia Department of Licenses and Inspections (L&I). The City publishes requirements by engineer grade, including application documentation and renewal obligations. Because Grade C is a City-issued credential, your requirements and renewal responsibilities follow Philadelphia’s published licensing rules.
Because your reference list is streamlined, you can study efficiently by building a weekly routine that cycles through the highest-value boiler topics and reinforces them with timed lookups.
High-impact study targets for Grade C prep:
Practical open-book routine using this package:
Engineer exams are built around safe operation and practical judgment. 1 Exam Prep helps you prepare with a trade-focused approach that supports both knowledge and pacing—so you’re not just reading, you’re building exam-ready skill.
This package is for the Pennsylvania (Philadelphia) Engineer Grade C exam administered through ICC, exam code 335_PA_PH.
This package is built around High Pressure Boilers, 6th Edition (2019) and Low Pressure Boilers, 5th Edition.
Focus on boiler fundamentals, component functions, safety devices, operational checks, safe response habits, water-level awareness, and practical troubleshooting logic.
Study the concepts first, then train navigation speed. Use timed lookups and scenario drills so you learn to confirm details quickly without losing pacing.
The Engineer Grade C license is a City of Philadelphia credential administered through the Department of Licenses and Inspections (L&I).
Yes. Philadelphia requires documented experience as part of the engineer licensing process, and the required documentation can vary by grade.
Yes. Boiler references are often used for ongoing operational support, refresher review, and safety-focused decision making in real facilities.