American Wire Gauge (AWG) Sizes and Properties Chart / Table Table 1 lists the AWG sizes for electrical cables / conductors. Wire Gauge Calculator The wire gauge calculator is used to execute multiple conversions at once. • Enter the desired unit value the "Enter Value" box. V oltage (AWG) American W ire Gauges (minimum) Amps AC or DC 10 12 14 16 18 20.250A. Wire Gauge to Diameter—Diameter to Wire Gauge Converter - Online calculator converts gauge to diameter or diameter to gauge for any wire size. This calculator is set up to be used in conjunction with wire with a 105 degree C temperature rating. Roshu. Source: NFPA 70, National Electrical Code, Table 310.15(B)(16-17). In order to properly size a wire for your application, the ampacity ratings for a wire must be understood. Wire ampacity is reduced by 30%, since its ability to dissipate heat generated by current flow is reduced. Wires can carry a certain amount of current continuously and no more; more current means the wire will overheat (and melt), as it cannot dissipate the heat that is generated by too much current flow. Certain factors reduces the ampacity rating of wires and the voltage drop as well: A wire located in ambiant temperature of 50°C (122F) or more loses its ability to dissipate heat, and therefore its ampacity is reduces by 15%. Wire gauge refers the physical size of the wire, rated with a numerical designation that runs opposite to the diameter of the conductors—in other words, the smaller the wire gauge number, the larger the wire diameter. 92 ((36-AWG)/39) (inch). The first procedure is to select the gauge number in the first text field of the calculator. The n gauge wire diameter d n in millimeters (mm) is equal to 0.127mm times 92 raised to the power of 36 minus gauge number n, divided by 39:. Distance - Enter the one-way length of the wires in the circuit in feet. Resistor Color Codes. But according to the specifications sheet, the "maximum input current" is 200A. In addition, experiment with the resistor and Ohm's Law calculator, or explore hundreds of other calculators addressing math, finance, fitness, health, and more. • Enter the # of conductors to calculate for * Measurements are calculated based on the value of 1 wire. If you have no clue what current use as an input, it's OK to use the FUSE SIZE that the manufacturer recommends. The n gauge wire diameter d n in millimeters (mm) is equal to 0.127mm times 92 raised to the power of 36 minus gauge number n, divided by 39:. The price you pay remains the same, affiliate link or not. because large conductors can become costly and difficult to install, while small conductors can cause potential danger. This app calculates/finds SWG/AWG number of a wire for given value of current. drop of 5%. Each wire size, or wire gauge (AWG), has a maximum current limit that a wire can handle before damage occurs. Typical household copper wiring is AWG number 12 or 14. The n gauge wire diameter d n in millimeters (mm) is equal to 0.127mm times 92 raised to the power of 36 minus gauge number n, divided by 39: Designers of low voltage power circuits are often unaware of the implications of voltage drop and wire size. Still another critical factor in voltage drop is wire length. The more cross-sectional area a wire has, the higher its current-carrying capacity. The number of devices connected to the circuit usually determines how much current will flow through the wire. How Wires Are Sized . Properly sized wire can make the difference between inadequate and full charging of a battery system, between dim and bright lights, and between feeble and full performance of tools and appliances. Wire cross sectional area calculation Wire Size Calculator Ad Free is designed for estimating wire gauge in AC circuits. However, the cross-sectional area of a conductor can also be changed to alter the Fillable Printable Sample Wire Gauge Chart. AWG - American Wire Gauge - is an U.S. standard for wire conductor size.