Plumbing-All Buildings 2024 FAQ - BCIN and Exam Questions

Common questions about Ontario's Plumbing-All Buildings 2024 BCIN exam.

Is the 2024 Plumbing-All Buildings exam already in use?

Humber’s registration site says 2024-code-based Ontario Building Code exams start on March 30, 2026. Confirm your booked sitting if your date is near that transition.

What is the format?

Humber describes Ontario Building Code exams as open-book, 3 hours, with 70 multiple-choice and true/false questions.

What is the biggest study mistake?

Studying it like Plumbing-House and missing the occupancy-specific and all-buildings facility requirements.

Do I need a BCIN to register?

Yes. Humber says a personal BCIN is required for registration.

Should I study only Part 7?

No. Part 7 is the core, but the official syllabus also reaches into Part 9, Part 11, Part 12, and public-building crossover topics.