NV C-37 Solar Practice Questions - Nevada C-37 Solar Contractor Examination Exam

There is no difference; the two licenses have identical scope C-37A is limited to swimming-pool collectors 37A is the only classification that may install photovoltaic arrays C-37A is limited to potable-water heating and may not install pipes or fixtures other than the water heaters and storage tanks for that heated water; C-37 covers all four thermal subclassifications