Plumber · 306A
National Plumbing Code — DWV, potable water, and gas fitting.
7MWAs
21Tasks
106Sub-tasks
125Questions
Major Work Activities
Click any MWA to expand its tasks and subtasks. Question counts mirror the official Red Seal interprovincial exam weighting.
Your progress
Per-MWA proficiency, attempted percentage, and risk score appear here once you start practicing this trade.
APerforms common occupational skills
— Proficient— Developing0% Attempted
BPrepares and assembles tube, tubing and pipe
— Proficient— Developing0% Attempted
CInstalls, tests and services sewers, sewage treatment systems and drainage, waste and vent (DWV) systems
— Proficient— Developing0% Attempted
DInstalls, tests and services water service and distribution
— Proficient— Developing0% Attempted
EInstalls, tests and services fixtures, appliances and water treatment systems
— Proficient— Developing0% Attempted
FInstalls, tests and services low-pressure steam and hydronic systems
— Proficient— Developing0% Attempted
GInstalls, tests and services specialized systems
— Proficient— Developing0% Attempted
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How this exam practice works
Question volume
10 to 125 per session
Scope control
Whole trade, single MWA, or task
Timing
5 min to unlimited, pause/resume
Feedback mode
Per-question or deferred scoring
Source aligned
Built from the published RSOS
Real exam weighting
MWA percentages mirror the IP exam
Canadian codes
Current provincial OHS + trade codes
Exam-realistic
Timed, weighted, adjustable difficulty