CSLB Trade-Specific Regulations

Question 1

Which California license classification is required to install heating, air conditioning, and ventilation (HVAC) systems?

Accepted Answer

C-20

Answer

C-4

Answer

C-36

Answer

C-10

Question 2

What California license classification is required for plumbing work, including installation of water supply and drain systems?

Accepted Answer

C-36

Answer

C-34

Answer

C-42

Answer

C-16

Question 3

Under California's Title 24 Energy Code, what is required when replacing an existing HVAC system in a residential building?

Accepted Answer

A permit and compliance with current energy efficiency standards including HERS verification

Answer

No energy compliance required for replacements

Answer

Only a CSLB license verification

Answer

Owner consent only

Question 4

Which California agency sets the state plumbing code that contractors must follow on all plumbing installations?

Accepted Answer

California Building Standards Commission

Answer

CSLB

Answer

California Department of Housing and Community Development

Answer

California Department of Water Resources

Question 5

What is required before a licensed electrical contractor can energize new electrical service in a California building?

Accepted Answer

Final inspection approval from the local building department (Authority Having Jurisdiction)

Answer

Only the contractor's signature on a completion form

Answer

CSLB confirmation of licensure

Answer

Utility company pre-approval only

Question 6

Under California law, which license classification covers roofing work including the application of waterproofing membranes and roof coverings?

Accepted Answer

C-39

Answer

C-17

Answer

C-29

Answer

C-43