# Electrical Wire Gauge Chart

### The larger the awg number or wire guage the smaller the physical size of the wire.

Electrical wire gauge chart. American wire gauge awg sizes and properties chart table table 1 lists the awg sizes for electrical cables conductors. It just calculates the voltage drop consult the above table for rules of thumb or your local or national electrical code or your electrician to decide what is legal. Note w m wire gauge us steel wire gauge and music wire gauge are different systems. 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.

D n in 0 005 in 92 36 n 39. American wire gauge size calculator and chart. Wire size calculator the american wire gauge awg system adopted in 1857 has defined a method for electrical wire size calculator. The n gauge wire diameter d n in inches in is equal to 0 005in times 92 raised to the power of 36 minus gauge number n divided by 39.

In addition to wire size the table provides values load current carrying capacity resistance and skin effects. The following calculator calculates the voltage drop and voltage at the end of the wire for american wire gauge from 4 0 awg to 30 awg aluminum or copper wire. The method has two basic objectives that is the ratio of the largest size with the smallest size would be an integer. American wire gauge conductor size table american wire gauge awg is a standardized wire gauge system for the diameters of round solid nonferrous electrically conducting wire.

Wire gauge is applicable to both electrical and non electrical wires being important to electrical wiring and to structural cable. This determines the amount of electric current a wire can safely carry as well as its electrical resistance and weight per unit of length.

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