Solar Licensing Standards 

With respect to licensing for solar projects, an electrician must hold a C-11 residential, L-11 commercial or K-11 dual (both commercial & residential) electrical license. The In addition, Arizona law (A.R.S.§44-1762) requires contractors to give property owners a two-year written warranty after working on their solar devices, whether the wiring is part of the original installation or is a repair, in addition to other required items as outlined below.

44-1762. Solar energy device warranties; installation standards; inspections

A. The collectors, heat exchangers and storage units of a solar energy device that is sold or installed in this state, and the installation, shall be warranted for a period of at least two years. The remaining components of the solar energy device and their installation shall be warranted for a period of at least one year.

B. Any person who manufactures, furnishes for installation or installs a solar energy device shall provide with such device a written statement of warranty, responsibilities assumed or disclaimed and performance data of the solar energy device and components of the solar energy device. The form of the statement required by this subsection is subject to approval by the registrar of contractors after consultation with the department of commerce. The registrar of contractors shall adopt rules governing the readability and understandability of the statement. The statement shall specify the source of any performance data it contains. A copy of the statement shall be delivered to the registrar of contractors where it shall be kept on public file.

C. A person who sells a solar energy device in this state shall furnish a certificate to the buyer that the solar energy device complies with the requirements of this section.

D. A solar energy device that is sold or installed in this state shall comply with any consumer protection, rating, certification, performance, marking, installation and safety standards that have been adopted by the department of commerce.

E. An individual who installs a solar energy device in this state, in addition to being a licensed solar contractor under title 32, chapter 10, article 4, shall:

1. Possess the general license that is appropriate to the type of solar energy device that is installed. Installers of a solar water heater or a photovoltaic device shall possess an appropriate contractor's license.

2. Meet any education and training standards that have been adopted by the registrar of contractors after consultation with the department of commerce.

3. Pass an examination on the installation of the type of device to be installed, if the registrar of contractors after consultation with the department of commerce has adopted such an examination.

F. Solar energy devices that are designed or installed by the final owner are exempt from the requirements of subsections A through E.

G. The installation of a solar energy device shall meet the requirements of:

1. All applicable fire, safety and building codes.

2. Consumer protection standards, including freeze protection and temperature related damage standards adopted by the department of commerce.

3. All other applicable federal, state and local laws.

H. Solar energy devices are subject to random inspections by the registrar of contractors. Installers who fail to meet safety, installation or other prescribed standards are subject to disciplinary action under title 32, chapter 10, article 3.

If the electrician also sold the solar equipment to the owner, the electrician’s warranty must also state that the equipment meets the requirements of Arizona law