What are the requirements for a solar photovoltaic (PV) panel?

4.6.1 Solar photovoltaic (PV) panels supported by framing that have sufficient uniformly distributed and unobstructed openings throughout the top of the array (horizontal plane) to allow heat and gases to escape, as determined by the enforcing agency, are generally not subject to this requirement (CBC Section 903.3.3).

What are the requirements for PV installation?

PV installation shall comply with requirements of the standard plan. PV system operating at 80 volts or greater shall be protected by a listed DC arc fault protection. (CEC 690.11)

What is an example of a solar PV installation?

An example of this type of installation is a carport structure having solar PV panels as the roof.

Do you need an electrical engineer for a solar PV system?

Most residential solar PV systems are very simple from an electrical standpoint, and they can be designed by a solar or electrical contractor. In some circumstances, an electrical engineer may be required, and the enforcing agency determines if this is necessary based on the complexity of the system.

Do solar panels/modules comply with fire/roof classification requirements?

These solar PV panels/modules shall comply with the minimum fire/roof classification requirements for roof covers as required by CBC Section 1505. For installations in State Responsibility Areas (SRA) or High Fire Hazard Severity Zones, additional provisions adopted by the local enforcing agency may be applicable.

What are the UL standards for PV modules?

Module manufacturer, make, model and number of modules match the approved plans. (CBC 107.4) DC PV modules are listed to UL 1703. Ac modules are listed to UL 1703 and UL 1741. (CEC 110.3, 690.4(B) & CBC 1510.7 & CRC R918) Modules are attached to the mounting structure according to the manufacturer’s instructions and the approved plans.