CPI Building Codes & Regulations 2

Question 1

Under the International Residential Code (IRC), what is the minimum ceiling height required for habitable rooms?

Accepted Answer

7 feet 0 inches

Answer

The IRC requires a minimum ceiling height of 7 feet for habitable rooms.

Question 2

Which code primarily governs the installation of electrical systems in one- and two-family dwellings?

Accepted Answer

NFPA 70 (NEC)

Answer

NFPA 70, the National Electrical Code (NEC), governs all electrical installations including in residential dwellings.

Question 3

A homeowner adds a 200 sq ft bedroom without a permit. As an inspector, what is your primary obligation?

Accepted Answer

Note the unpermitted addition in the report

Answer

Inspectors must report unpermitted additions as a material defect requiring further evaluation by the authority having jurisdiction.

Question 4

What is the maximum rise allowed for a single stair riser under the IRC?

Accepted Answer

7.75 inches

Answer

The IRC limits stair riser height to a maximum of 7.75 inches.

Question 5

Which organization publishes the model codes that form the basis of the International Building Code (IBC)?

Accepted Answer

ICC

Answer

The International Code Council (ICC) publishes the IBC and other I-Codes used throughout the US.

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