A 70% is required to be considered passing. Two projects with 2.5 hours to complete.90 questions, with a time limit of four hours. Journeyman Residential Plumber Theory Examination Topics include: Basic Valves, Drain, Waste, Vent DWV, Fire Sprinkler, Fuel Gas, Hydronics, Indirect & Special Waste, Pipe and Fittings, Plumbing Drawing, Plumbing Fixtures, Plumbing Math, Plumbing Safety, Structural Penetration, Insulation, Water Heaters and Water Supply.100 questions, with a time limit of four hours. ![]() It includes that work pertaining to the water supply, distribution pipes, fixtures, and fixture traps, the soil, waste and vent pipes, and the building drain and roof drains together with their devices, appurtenances, and connections where installed within the outside walls of the building. “ Plumbing trade” means the performance of any mechanical work pertaining to the installation, alteration, change, repair, removal, maintenance, or use in building or within three feet beyond the outside walls of buildings of pipes, fixtures and fittings for delivery of the water supply, discharge of liquid and water carried waste or the building drainage system within the walls of the building. “ Residential Journeyman Plumber” means a person licensed under this chapter as a residential journeyman plumber having the qualifications, training, and technical knowledge to engage in the plumbing trade as limited to the plumbing of residential buildings. “ Journeyman Plumber” means a person licensed under this chapter as a journeyman plumber having the qualifications, training, experience, and technical knowledge to engage in the plumbing trade.
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