Building and Fire Codes Flashcards
7 cards from real NABCEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Building and Fire Codes flashcards as text
Under the International Fire Code (IFC), what is the minimum required setback distance for ground-mounted PV arrays from property lines in Exposure Category D areas?
Answer: Determined by the AHJ based on fire flow requirements
The IFC requires the AHJ to determine setback distances based on local fire flow requirements and site conditions rather than a single fixed distance.
Which IBC occupancy classification typically applies to a standalone ground-mounted PV system with no habitable space?
Answer: Group U (Utility)
Standalone utility structures such as ground-mounted PV arrays without habitable space are classified as Group U (Utility) under the IBC.
The 2021 IFC Section 1204 requires that roof-mounted PV systems on Group R-3 occupancies maintain a minimum pathway width of how many inches on each side of the ridge?
Answer: 36 inches
The 2021 IFC requires a 36-inch clear pathway on each side of the ridge for firefighter access on Group R-3 roof-mounted PV systems.
When PV conduit penetrates a fire-rated floor-ceiling assembly, which protection method is required?
Answer: Listed firestop system maintaining the assembly rating
Any penetration through a fire-rated assembly must use a listed firestop system that maintains the hourly rating of that assembly per IBC Section 714.
Under NFPA 855, what is the maximum allowable energy capacity for a single energy storage system (ESS) unit installed in a Group R-3 occupancy without additional separation?
Answer: 10 kWh
NFPA 855 limits a single ESS unit in Group R-3 occupancies to 10 kWh without additional fire separation or suppression requirements.
According to the IFC, a solar-ready zone on a new commercial roof must be free of which of the following to remain compliant?
Answer: HVAC equipment, vents, and skylights
Solar-ready zones must be kept clear of HVAC equipment, vents, skylights, and other rooftop obstructions to allow future PV installation.
Which label or marking is required on the DC conduit of a PV system to alert firefighters to the presence of energized conductors?
Answer: 'PHOTOVOLTAIC POWER SOURCE' at maximum 10-foot intervals or at each end
NEC 690.31(G) requires 'PHOTOVOLTAIC POWER SOURCE' labels on PV source and output circuit conduits at maximum 10-foot intervals and at conduit entry and exit points.