CPI Building Code Requirements 2

Question 1

Under the International Building Code, what is the minimum required width for a means of egress corridor serving an occupant load greater than 50?

Accepted Answer

44 inches

Answer

The IBC requires corridors serving an occupant load greater than 50 to be at least 44 inches wide.

Question 2

Which code section governs the minimum ceiling height in habitable rooms under the International Residential Code?

Accepted Answer

R305

Answer

IRC Section R305 establishes minimum ceiling height requirements, generally 7 feet for habitable rooms.

Question 3

A Type I-A construction building may have an unlimited floor area under the IBC when it is fully sprinklered. What is the primary reason for this allowance?

Accepted Answer

Type I-A uses non-combustible materials and fire suppression reduces risk

Answer

Type I-A construction uses non-combustible materials and automatic sprinklers significantly reduce fire spread risk, justifying unlimited area.

Question 4

When installing electrical panels in a residential garage, what minimum working clearance in front of the panel is required by the NEC?

Accepted Answer

30 inches

Answer

NEC 110.26 requires a minimum of 30 inches of clear working space width in front of electrical equipment.

Question 5

Under the IBC, which occupancy classification would apply to a building used as an elementary school?

Accepted Answer

Educational Group E

Answer

Buildings used for educational purposes for students through the 12th grade are classified as Educational Group E under the IBC.

(CPI) Certified Professional Installer Practice Test

(CPI) Certified Professional Installer Practice Test

CPI Building Code Requirements 2