NABCEP Building and Fire Codes 2

Question 1

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?

Accepted Answer

Determined by the AHJ based on fire flow requirements

Answer

3 feet

Answer

10 feet

Answer

6 feet

Question 2

Which IBC occupancy classification typically applies to a standalone ground-mounted PV system with no habitable space?

Accepted Answer

Group U (Utility)

Answer

Group S-1 (Moderate Hazard Storage)

Answer

Group F-1 (Factory Industrial)

Answer

Group H-2 (High-Hazard)

Question 3

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?

Accepted Answer

36 inches

Answer

18 inches

Answer

12 inches

Answer

24 inches

Question 4

When PV conduit penetrates a fire-rated floor-ceiling assembly, which protection method is required?

Accepted Answer

Listed firestop system maintaining the assembly rating

Answer

Standard EMT with locknuts

Answer

Rigid metallic conduit only

Answer

Non-metallic conduit with fire caulk

Question 5

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?

Accepted Answer

10 kWh

Answer

20 kWh

Answer

40 kWh

Answer

5 kWh

Question 6

According to the IFC, a solar-ready zone on a new commercial roof must be free of which of the following to remain compliant?

Accepted Answer

HVAC equipment, vents, and skylights

Answer

Only HVAC equipment

Answer

Only roof drains and scuppers

Answer

Structural supports and parapets

Question 7

Which label or marking is required on the DC conduit of a PV system to alert firefighters to the presence of energized conductors?

Accepted Answer

'PHOTOVOLTAIC POWER SOURCE' at maximum 10-foot intervals or at each end

Answer

'WARNING: SOLAR ELECTRIC SYSTEM' at 10-foot intervals

Answer

'DANGER: HIGH VOLTAGE DC' at 5-foot intervals

Answer

'CAUTION: PV ARRAY' at 15-foot intervals