As a general rule regarding solar photovoltaic (PV) systems, supply-side conductor connections for PV systems must terminate in an overcurrent protection device that's within no more than ___ of the point of interconnection to the local electric utility.

The Master Electrician exam in most electrical licensing examinations covers these topics: Grounding and bonding, Overcurrent protection, Wiring methods and installation, Boxes and fittings, Services and equipment, Motors, Special occupancies, Load calculations, Lighting, Appliances, Box and raceway fill, Hazardous locations, Trade knowledge and Electrical theory.