C7 Electrical Codes & Safety Regulations 2

Question 1

Under California's Title 24, which document governs energy efficiency requirements for low voltage lighting control systems in commercial buildings?

Accepted Answer

California Energy Code (Part 6)

Answer

Title 24, Part 6 (California Energy Code) sets energy efficiency standards for lighting controls, including low voltage dimming and occupancy sensor systems in commercial buildings.

Question 2

A C7 contractor installs a Class 2 wiring system. According to the NEC, what is the maximum allowable voltage for a Class 2 circuit?

Accepted Answer

60 volts

Answer

NEC Article 725 defines Class 2 circuits as those operating at 60 volts or less under normal conditions.

Question 3

Which Cal/OSHA standard specifically addresses electrical safety requirements for low voltage construction work?

Accepted Answer

Title 8, Section 2940

Answer

Cal/OSHA Title 8, Section 2940 covers electrical safety orders applicable to construction, including low voltage installation work.

Question 4

When installing a fire alarm system in California, the C7 contractor must comply with which primary code for system design and installation?

Accepted Answer

NFPA 72 (National Fire Alarm and Signaling Code)

Answer

NFPA 72 is the National Fire Alarm and Signaling Code adopted by California and governs the design and installation of fire alarm systems.

Question 5

In California, who has authority to adopt local amendments to the California Electrical Code (CEC)?

Accepted Answer

Local jurisdictions (cities and counties)

Answer

Local jurisdictions such as cities and counties may adopt amendments to the CEC that are more restrictive than state minimums, provided they follow the amendment process.

(C7) California C7 Low Voltage Systems Contractor Certification Practice Test

(C7) California C7 Low Voltage Systems Contractor Certification Practice Test

C7 Electrical Codes & Safety Regulations 2