Bare Stranded Copper Wire Size Chart

Soft bare copper solid or classes a or b stranding per astm b 3 and b 8.

Bare stranded copper wire size chart.

The american wire gauge awg measurement system was designed with a purpose. Hard drawn and medium hard drawn per astm b 1 b 2. 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 inches in is equal to 0 005in times 92 raised to the power of 36 minus gauge number n divided by 39.

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. B 8 concentric lay stranded hard medium hard or soft copper conductor. Southwire s bare copper wire and cable meets or exceeds the following astm specifications. Medium hard drawn tempers are also available in solid and stranded.

The resistances and skin depth noted are for copper conductors. B 2 medium hard copper wire. In addition to wire size the table provides values load current carrying capacity resistance and skin effects. A detailed description of each conductor.

American wire gauge awg sizes and properties chart table table 1 lists the awg sizes for electrical cables conductors. 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. Sizes 8 thru 2 are available in 7 strand. Stranded bare copper bare or tinned soft annealed medium hard or hard drawn stranded bare copper.

Suitable for use in electrical grounding systems including counterpoise grounding and on insulators for overhead transmission and distribution applications. Annealed copper wire astm b8. 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. Lbs ohms per sizestrandsof strand o d.

Sizes 14 thru 2 are available in solid. Also available in tinned copper. Mil area1 000 ft 1 000 ft. D n in 0 005 in 92 36 n 39.

B 33 tinned conductors b 787 19 wire combination unilay stranded. Alan wire bare copper conductors are normally annealed soft copper solid or stranded. Stranded conductors offer greater flexibility than solid 250 kcmil 1 000 kcmil. 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.

Standard specification for concentric lay stranded copper conductors hard medium hard or soft engineering information conductor. Stranded wire data chart awg of nom. B 1 hard drawn copper wire. This is a handy rule to remember when making rough wire size estimations.

Bare copper conductors are primarily used for grounding purposes as specified in the national electrical code. 36 7 44 0 0020 0 006 28 00 0 09 371 00. For every three steps in the gauge scale wire area and weight per unit length approximately doubles. American wire gauge size calculator and chart.