Bare Stranded Copper Wire Size Chart

Mil area1 000 ft 1 000 ft.

Bare stranded copper wire size chart.

Annealed copper wire astm b8. The resistances and skin depth noted are for copper conductors. D n in 0 005 in 92 36 n 39. Standard specification for concentric lay stranded copper conductors hard medium hard or soft engineering information conductor.

For every three steps in the gauge scale wire area and weight per unit length approximately doubles. 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. Of wires mm in mm in mm in mm in 20 1020 0 517 00080 7 0 31 0121 91 036. Alan wire bare copper conductors are normally annealed soft copper solid or stranded.

Bare copper conductors are primarily used for grounding purposes as specified in the national electrical code. Also available in tinned copper. Sizes 14 thru 2 are available in solid. Southwire s bare copper wire and cable meets or exceeds the following astm specifications.

Suitable for use in electrical grounding systems including counterpoise grounding and on insulators for overhead transmission and distribution applications. Stranded bare copper bare or tinned soft annealed medium hard or hard drawn stranded bare copper. Medium hard drawn tempers are also available in solid and stranded. Stranded wire data chart awg of nom.

A detailed description of each conductor. Sizes 8 thru 2 are available in 7 strand. Stranded conductors offer greater flexibility than solid 250 kcmil 1 000 kcmil. American wire gauge awg sizes and properties chart table table 1 lists the awg sizes for electrical cables conductors.

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. In addition to wire size the table provides values load current carrying capacity resistance and skin effects. Lbs ohms per sizestrandsof strand o d. American wire gauge size calculator and chart.

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. Hard drawn and medium hard drawn per astm b 1 b 2. B 33 tinned conductors b 787 19 wire combination unilay stranded. Soft bare copper solid or classes a or b stranding per astm b 3 and b 8.

B 1 hard drawn copper wire. Wire gauge calculations wire diameter calculations. B 2 medium hard copper wire. The american wire gauge awg measurement system was designed with a purpose.

This is a handy rule to remember when making rough wire size estimations. 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 8 concentric lay stranded hard medium hard or soft copper conductor. 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.