Bare Stranded Copper Wire Size Chart

American wire gauge size calculator and chart.

Bare stranded copper wire size chart. In addition to wire size the table provides values load current carrying capacity resistance and skin effects. Southwire s bare copper wire and cable meets or exceeds the following astm specifications. Mil area1 000 ft 1 000 ft. 36 7 44 0 0020 0 006 28 00 0 09 371 00.

Hard drawn and medium hard drawn per astm b 1 b 2. Standard specification for concentric lay stranded copper conductors hard medium hard or soft engineering information conductor. Bare copper conductors are primarily used for grounding purposes as specified in the national electrical code. Awg copper wire table size and data chart 100 degrees f.

Stranded conductors offer greater flexibility than solid 250 kcmil 1 000 kcmil. B 1 hard drawn copper wire. Medium hard drawn tempers are also available in solid and stranded. D n in 0 005 in 92 36 n 39.

Also available in tinned copper. Break strength lbs kg maximum dc resistance ohms 1 000 ohms km circular area 56 1 s solid 0 00049 0 0124 0 24 0 00012 0 00070 0 001 0 0066 0 00. B 8 concentric lay stranded hard medium hard or soft copper conductor. Of wires mm in mm in mm in mm in 20 1020 0 517 00080 7 0 31 0121 91 036.

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. Wire stranding charts solid and stranded conductor awg chart awg size total strands strand size type construction nominal diameter inches mm mils mm2 approimate weight lbs 1000 kg km nom. The resistances and skin depth noted are for copper conductors. Stranded wire data chart awg of nom.

Soft bare copper solid or classes a or b stranding per astm b 3 and b 8. Wire gauge calculations wire diameter calculations. Lbs ohms per sizestrandsof strand o d. B 2 medium hard copper wire.

Stranded bare copper and aluminum conductors dimensions nominal conductor conductor diameter size area wire diameter class b standard compressed round compact round awg cir mils mm 2 sq in no. American wire gauge awg sizes and properties chart table table 1 lists the awg sizes for electrical cables conductors. B 3 soft or annealed copper wire. Annealed copper wire astm b8.

For every three steps in the gauge scale wire area and weight per unit length approximately doubles. Sizes 14 thru 2 are available in solid. 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. B 33 tinned conductors b 787 19 wire combination unilay stranded.

This is a handy rule to remember when making rough wire size estimations. The american wire gauge awg measurement system was designed with a purpose. Suitable for use in electrical grounding systems including counterpoise grounding and on insulators for overhead transmission and distribution applications. A detailed description of each conductor.