Photovoltaic systems must be installed per manufacturers’ instructions which may include specialized training. The state of Michigan electrical licensing law, 1956 PA 217, MCL 338.887, sections 7(1) and 7(2) require persons performing electrical wiring to be properly licensed in accordance with the act except those exempted under section 7(3).
When solar equipment is installed as a heating element a mechanical contractors license is required in accordance with the state of Michigan Forbes Mechanical Contractors Act, 1984 PA 192, MCL 338.977, section 7(1).
Michigan Electrical Code (MEC) Part 8 rules which adopts by reference the 2011 NFPA70/NEC with modifications.
A mechanical permit is required for the installation or alteration of systems using solar energy as a heating source. An electrical permit is required when performing electrical wiring.