About Photovoltaic panel combustion level classification table
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6 FAQs about [Photovoltaic panel combustion level classification table]
What is the fire classification for a photovoltaic system?
The fire classification shall comply with Table 1505.1 of the California Building Code based on the type of construction of the building. 1509.7.2 Fire classification. Rooftop mounted photovoltaic systems shall have the same fire classification as the roof assembly required by Section 1505.
Are photovoltaic panels fire rated?
Effective January 1, 2015, Rooftop mounted photovoltaic panels and modules shall be tested, listed and identified with a fire classification in accordance with UL 1703. The fire classification shall comply with Table 1505.1 of the California Building Code based on the type of construction of the building.
Do PV modules have a Class C fire rating?
Most PV modules have Class C fire rating, while some have an A rating. This requirement, as interpreted and applied by some AHJ, effectively eliminates modules with a Class C fire rating from consideration in rooftop systems. Extensive testing has been ongoing since 2008 in fire testing of PV modules as part of a PV system installed on a roof.
Does a PV system have a fire rating?
New language in the 2012 IBC requires the PV system to match the required fire rating of the roof. The general requirement for roofing systems in the IBC is for Class B and C fire rating. (Class B for assembly occupancy buildings) California has the most Class A and B roof fire rating requirements.
Are photovoltaic panels UL 1703 rated?
R902.4 Photovoltaic panels and modules. Effective January 1, 2015, Rooftop mounted photovoltaic panels and modules shall be tested, listed and identified with a fire classification in accordance with UL 1703.
Can a PV module be mounted over a fire rated roof?
The old version of UL1703 provided a fire performance classification for the PV module, and the UL Whitebook provided a description that the module had to be mounted over a fire rated roof of the same or higher fire class. (Class C module over Class C, B, or A roof).