Solar Contractor Licensing
Solar Photovoltaics
The Arizona Registrar of Contractors does not offer a general solar electric contractor license, but the state's R-11 and C-11 electrical licenses cover solar electric installations. R-11 licenses are required for electrical work on residential property and C-11 licenses apply to commercial installations. Contractors can also acquire a CR-11 license to work on both residential and commercial installations. A-17 and K-11 licenses are also applicable for PV installation.
Solar Water Heating
The Arizona Registrar of Contractors does have a specific plumbing license which includes solar water heaters. R-37 is required for contractors installing or performing maintenance on residential
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