Bare Stranded Copper Wire Size Chart

In addition to wire size the table provides values load current carrying capacity resistance and skin effects.

Bare stranded copper wire size chart.

Annealed copper wire astm b8. American wire gauge awg sizes and properties chart table table 1 lists the awg sizes for electrical cables conductors. B 33 tinned conductors b 787 19 wire combination unilay stranded. Southwire s bare copper wire and cable meets or exceeds the following astm specifications.

Standard specification for concentric lay stranded copper conductors hard medium hard or soft engineering information conductor. Hard drawn and medium hard drawn per astm b 1 b 2. The resistances and skin depth noted are for copper conductors. 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.

Stranded conductors offer greater flexibility than solid 250 kcmil 1 000 kcmil. Lbs ohms per sizestrandsof strand o d. 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.

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. 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. B 1 hard drawn copper wire. 36 7 44 0 0020 0 006 28 00 0 09 371 00.

B 3 soft or annealed copper wire. Suitable for use in electrical grounding systems including counterpoise grounding and on insulators for overhead transmission and distribution applications. Also available in tinned copper. Soft bare copper solid or classes a or b stranding per astm b 3 and b 8.

Of wires mm in mm in mm in mm in 20 1020 0 517 00080 7 0 31 0121 91 036. B 2 medium hard copper wire. Medium hard drawn tempers are also available in solid and stranded. The american wire gauge awg measurement system was designed with a purpose.

For every three steps in the gauge scale wire area and weight per unit length approximately doubles. Stranded bare copper bare or tinned soft annealed medium hard or hard drawn stranded bare copper. Mil area1 000 ft 1 000 ft. Sizes 8 thru 2 are available in 7 strand.

D n in 0 005 in 92 36 n 39. Awg copper wire table size and data chart 100 degrees f. American wire gauge size calculator and chart. 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.

Stranded wire data chart awg of nom. Bare copper conductors are primarily used for grounding purposes as specified in the national electrical code. Wire gauge calculations wire diameter calculations. Sizes 14 thru 2 are available in solid.