RHODE ISLAND JOURNEYMAN PLUMBER EXAM
2026 PLUMBING CODE AND INSTALLATION
TEST PAPER QUESTIONS AND SOLUTIONS
GRADED A+
◉ 4' 6" Below Grade. Answer: Water Services Shall Be Installed Not
Less Than:
◉ Insulated/Heated or Both. Answer: Piping installed in exterior
walls or areas subject to freezing must:
◉ 36" Below Grade. Answer: Building Sewers connected to a public
sewer shall have a minimum coverage of:
◉ Under a water heater 6 gallons or greater that is elevated. Answer:
A safe waste pan shall be installed
◉ 2" deep with 2" clearance around heater. Answer: A safe waste
pan shall be at least
◉ 10' undisturbed compacted earth. Answer: Water service piping
and building drain/sewer shall be separated by:
,◉ Water line is installed minimum 12" above sewer line at highest
point. Answer: Water service separation distance is not required if:
◉ 50'. Answer: Distance for a septic tank/sewer to a private water
supply(well) is:
◉ 6"below the roof with an approved fitting. Answer: Where frost
closure is common an increase in vent size shall take place:
◉ "V" zone (subject to wave heights in excess of 3'). Answer: High
Hazard flood zone is:
◉ 8.0% Lead. Answer: Lead free pipe and fittings contain less than:
◉ 110 degrees. Answer: Hot water is water at temperature greater
than or equal to:
◉ 0.2% Lead. Answer: Lead free solder and flux contain no more
than
◉ 0.5 inches. Answer: Strainer plates on drain lines for rodent
proofing must have openings:
, ◉ Two pipe size greater than the pipe passing through it. Answer:
Sleeves for pipes passing through foundation walls or under footings
shall be:
◉ 500'. Answer: Travel distance to toilet facilities in
merchantile/occupancies are:
◉ 300'. Answer: Travel distance to toilet facilities in covered malls
are:
◉ 15". Answer: Water closets, bidets or lavatories shall have a
clearance from center of fixture to wall of:
◉ 21". Answer: The required clearance from front of fixture to a
wall, door or other fixture is:
◉ 3". Answer: Minimum size floor drains for public laundries or
central washing facilities is:
◉ 1 1/2". Answer: Shower waste outlets shall be minimum of:
◉ 3". Answer: Minimum size removable strainer for shower
compartments are:
2026 PLUMBING CODE AND INSTALLATION
TEST PAPER QUESTIONS AND SOLUTIONS
GRADED A+
◉ 4' 6" Below Grade. Answer: Water Services Shall Be Installed Not
Less Than:
◉ Insulated/Heated or Both. Answer: Piping installed in exterior
walls or areas subject to freezing must:
◉ 36" Below Grade. Answer: Building Sewers connected to a public
sewer shall have a minimum coverage of:
◉ Under a water heater 6 gallons or greater that is elevated. Answer:
A safe waste pan shall be installed
◉ 2" deep with 2" clearance around heater. Answer: A safe waste
pan shall be at least
◉ 10' undisturbed compacted earth. Answer: Water service piping
and building drain/sewer shall be separated by:
,◉ Water line is installed minimum 12" above sewer line at highest
point. Answer: Water service separation distance is not required if:
◉ 50'. Answer: Distance for a septic tank/sewer to a private water
supply(well) is:
◉ 6"below the roof with an approved fitting. Answer: Where frost
closure is common an increase in vent size shall take place:
◉ "V" zone (subject to wave heights in excess of 3'). Answer: High
Hazard flood zone is:
◉ 8.0% Lead. Answer: Lead free pipe and fittings contain less than:
◉ 110 degrees. Answer: Hot water is water at temperature greater
than or equal to:
◉ 0.2% Lead. Answer: Lead free solder and flux contain no more
than
◉ 0.5 inches. Answer: Strainer plates on drain lines for rodent
proofing must have openings:
, ◉ Two pipe size greater than the pipe passing through it. Answer:
Sleeves for pipes passing through foundation walls or under footings
shall be:
◉ 500'. Answer: Travel distance to toilet facilities in
merchantile/occupancies are:
◉ 300'. Answer: Travel distance to toilet facilities in covered malls
are:
◉ 15". Answer: Water closets, bidets or lavatories shall have a
clearance from center of fixture to wall of:
◉ 21". Answer: The required clearance from front of fixture to a
wall, door or other fixture is:
◉ 3". Answer: Minimum size floor drains for public laundries or
central washing facilities is:
◉ 1 1/2". Answer: Shower waste outlets shall be minimum of:
◉ 3". Answer: Minimum size removable strainer for shower
compartments are:
