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What is Voltage Drop Calculations for 120V/240V about?
This document provides a voltage drop calculation for a 100 foot branch circuit carrying 45 amps. It shows the wire size, resistance per foot, ampacity, and resulting voltage drop and percentage drop for various wire sizes operating at 120V and 240V. For a 120V circuit, 14 AWG wire results in a voltage drop of 3.56V or 2.96%, which is within the allowable 3% limit. For a 240V circuit, 10 AWG wire results in a voltage drop of 0.55755V or 0.46%, which is also within the 3% limit.
- Author
- uddinnadeem
- Language
- EN