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Electrc 2017 is designed for electrical contractors, engineers, inspectors, estimators, and electrical maintenance personnel. It performs wire sizing, conduit fill, motor, lighting, panel schedule, transformer, voltage drop, box fill, fault current, and power factor correction calculations. Built-in reference table from the NEC. Many NEC parameters are supported, including parallel conductors per phase, ambient temperature derating, terminal temperature derating, quantity of current carrying conductors derating, circuit type, voltage drop percentage, and more. Files can be saved to disk and reloaded for future use.