2026 IRC EXAM PART 7 QUESTIONS
WITH CORRECT ANSWERS
Light switch is required at the top and bottom of interior stairs that have at least ____________ risers. -
correct answer-6
R303.7 Interior stairway illumination.
Smoke alarms must be minimum __________ feet from heat registers or paddle fans. - correct answer-3
Exterior stairways shall be provided with an artificial light source located at the _________ ___________.
- correct answer-top landing
R303.8 Exterior stairway illumination.
A top landing is not required where a stairway of not more than ____________ risers is located on the ex
terior side of the door, provided that the door does not swing over the stairway. - correct answer-2
R311.3.2 Floor elevations at other exterior doors.
Ceiling height for showers, tubs, and other bathroom and toilet room fixtures shall be minimum _______
____. - correct answer-80 inches (6'-8")
R305.1 Minimum height
Showers must be at least ___________ inches in each direction. - correct answer-30
R307.1 Space required.
_____________ inches minimum width of shower door. - correct answer-22
, _____________ inches minimum clearance in front of sinks and toilets. - correct answer-21
R307.1 Space required.
_____________ inches minimum width from center of a toilet to a wall or another fixture. -
correct answer-15
R307.1 Space required.
Handrails with a perimeter greater than 6 1/4 inches require a __________ ___________ __________ __
_________ on both sides if the profile. - correct answer-graspable finger recess area
Wood required to be pressure treated where it is resting on concrete that is in direct contact with the gro
und. Sill plates, framing, and columns resting on slabs or foundation walls. - correct answer-
R317.1 Protection of Wood Against Decay - Location Required
Wood required to be pressure treated if within these distances in crawl spaces to the exposed ground:
- Wood joists/bottom of wood structural floor: ________ inches
- Wood girder: _________ inches
- Wood columns: ________ inches - correct answer-18
12
8
R317.1c-cProtectioncofcWoodcAgainstcDecayc-cLocationcrequired
Termitecprotectioncforcwoodcshallcbec_________c_________c,candcfield-
cutcends,cnotches,candcdrilledcholescshallcbec__________cincthecfieldcifcrequired.c-
ccorrectcanswer-
pressurectreated
retreated
R318.1cSubterraneanctermiteccontrolcmethods
WITH CORRECT ANSWERS
Light switch is required at the top and bottom of interior stairs that have at least ____________ risers. -
correct answer-6
R303.7 Interior stairway illumination.
Smoke alarms must be minimum __________ feet from heat registers or paddle fans. - correct answer-3
Exterior stairways shall be provided with an artificial light source located at the _________ ___________.
- correct answer-top landing
R303.8 Exterior stairway illumination.
A top landing is not required where a stairway of not more than ____________ risers is located on the ex
terior side of the door, provided that the door does not swing over the stairway. - correct answer-2
R311.3.2 Floor elevations at other exterior doors.
Ceiling height for showers, tubs, and other bathroom and toilet room fixtures shall be minimum _______
____. - correct answer-80 inches (6'-8")
R305.1 Minimum height
Showers must be at least ___________ inches in each direction. - correct answer-30
R307.1 Space required.
_____________ inches minimum width of shower door. - correct answer-22
, _____________ inches minimum clearance in front of sinks and toilets. - correct answer-21
R307.1 Space required.
_____________ inches minimum width from center of a toilet to a wall or another fixture. -
correct answer-15
R307.1 Space required.
Handrails with a perimeter greater than 6 1/4 inches require a __________ ___________ __________ __
_________ on both sides if the profile. - correct answer-graspable finger recess area
Wood required to be pressure treated where it is resting on concrete that is in direct contact with the gro
und. Sill plates, framing, and columns resting on slabs or foundation walls. - correct answer-
R317.1 Protection of Wood Against Decay - Location Required
Wood required to be pressure treated if within these distances in crawl spaces to the exposed ground:
- Wood joists/bottom of wood structural floor: ________ inches
- Wood girder: _________ inches
- Wood columns: ________ inches - correct answer-18
12
8
R317.1c-cProtectioncofcWoodcAgainstcDecayc-cLocationcrequired
Termitecprotectioncforcwoodcshallcbec_________c_________c,candcfield-
cutcends,cnotches,candcdrilledcholescshallcbec__________cincthecfieldcifcrequired.c-
ccorrectcanswer-
pressurectreated
retreated
R318.1cSubterraneanctermiteccontrolcmethods
