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Calculated Industries 5070 ElectriCalc Pro Electrical Code Calculator | Updateable and Compliant with NEC 1996 to 2020…

Make sure this fits by entering your model number. STAY NEC COMPLIANT IN ANY JURISDICTION -- now shipping with 2020 code installed so you can work in the current code year or set it back to any code year back to 1996, i. e. , if you work in multiple jurisdictions. Updateable to future code years too. USES KIRCHHOFF’S LAW to find volts, amps, volt-amps, watts, theoretical horsepower, efficiency and power factor letting you know you’re setting up a circuit to handle the voltage supply for a single-phase load or if you need to step up the circuit