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This wire size calculator will calculate the appropriate wire gauge for a circuit based on amps, voltage, distance, and load. This website provides a wire size calculator, voltage drop calculator, wire ampacity charts and more.
- Calculators
Calculates the full-load amps, wire size, breaker size,...
- Tables
Search Amazon for your Electrical products such as wire,...
- Wire Size Chart
Wire Size Chart. Electrical current is measured in amps....
- Motor Data
For circuits with multiple motors, the ampacity rating of...
- 40 C
The ampacity chart below shows the allowable ampacities of...
- Three-Phase Ac Motors
For example, if there are three 15-amp motors in the...
- Wire Ampacity Correction Factors
Online Calculators and Tables to Help You Determine Proper...
- Distance Between Conduit Supports
Source: NFPA 70, National Electrical Code, Table...
- Calculators
Based on the wire size chart, you may select an “8 AWG” wire size and 50A of circuit breaker for 240V, 9000W, 240V water heater element wattage. We will show a solved example as well as the related AWG Wire size table for this in the following sections.
Wire Size Chart. Electrical current is measured in amps. Each wire size, or wire gauge (AWG), has a maximum current limit that a wire can handle before damage occurs. It is important to pick the correct size of wire so that the wire doesn't overheat.
The following step-by-step guide will show you how to calculate the correct size of cable and wire, or any other conductor, for electrical wiring installations with solved examples in both British or English and SI Systems, i.e., Imperial and Metric Systems, respectively.
The following chart is a guideline of “ampacity”, or copper wire current-carrying capacity following the Handbook of Electronic Tables and Formulas for American Wire Gauge. As you might guess, the rated “ampacities” are just a rule of thumb.
American wire gauge (AWG) is a standardized wire gauge system for the diameters of round, solid, nonferrous, electrically conducting wire. The larger the AWG number or wire guage, the smaller the physical size of the wire. The smallest AWG size is 40 and the largest is 0000 (4/0).
Electrical Wire Conversion Table. AWG is a standard denoting wire diameter, whereas the metric conductor sizes according to standard IEC 60228 describe a wire in terms of its cross-sectional area, rather than its diameter, because the cross section is directly proportional to its strength, weight, and resistance.
