For a new residential solar PV system installation in California, what is the maximum allowed DC voltage for rooftop systems under Title 24 Part 6?
Correct Answer
B) 1000 volts DC
California Title 24 Part 6 and California Electrical Code limit residential rooftop PV systems to a maximum of 1000 volts DC. This limit balances system efficiency with safety requirements, particularly important for California's seismic conditions and fire safety concerns. Higher voltages are only permitted for ground-mounted commercial installations.
Why This Is the Correct Answer
California Title 24 Part 6 and California Electrical Code limit residential rooftop PV systems to a maximum of 1000 volts DC. This limit balances system efficiency with safety requirements, particularly important for California's seismic conditions and fire safety concerns. Higher voltages are only permitted for ground-mounted commercial installations.
More trade-general-building Questions
When installing engineered lumber joists (I-joists) in California residential construction, what is the primary code requirement for web stiffeners?
What is the required attic ventilation ratio when a vapor retarder is installed on the warm-in-winter side of the ceiling according to the California Residential Code?
In California's Wildland-Urban Interface (WUI) areas, which underlayment requirement applies to Class A fire-rated roof assemblies?
In California, when installing a tankless water heater in a seismic zone, what additional requirement must be met beyond standard installation practices?
According to the California Building Code (CBC), what is the minimum lap splice length for #4 rebar in a concrete foundation wall in normal weight concrete with f'c = 3000 psi?
According to CBC requirements for retaining walls in California, what additional design consideration must be addressed for retaining walls over 4 feet in height located in seismic design categories D, E, and F?
When constructing retaining walls in California that exceed 4 feet in height, which CBC requirement must be met regarding drainage?
Under California regulations, when is a reduced pressure principle (RPP) backflow prevention assembly required for a residential water service connection?
Under California Title 24, what is the minimum electrical service size required for new single-family residential construction?
According to the California Building Code, buildings located in Seismic Design Category D must comply with which specific seismic design requirements?
People Also Study
Business & Financial Management
120 questions · 70% to pass
Contract Administration
60 questions · 70% to pass
Project Management
60 questions · 70% to pass
Related Study Resources
Previous Question
According to California Residential Code, what is the required net free ventilating area for attic spaces when both intake and exhaust ventilation are provided?
Next Question
According to CBC Chapter 11B (accessibility requirements), what is the maximum slope allowed for an accessible ramp?