Bare Stranded Copper Wire Size Chart

Lbs ohms per sizestrandsof strand o d.

Bare stranded copper wire size chart.

B 3 soft or annealed copper wire. 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. Bare copper conductors are primarily used for grounding purposes as specified in the national electrical code.

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. Soft bare copper solid or classes a or b stranding per astm b 3 and b 8. In addition to wire size the table provides values load current carrying capacity resistance and skin effects.

This is a handy rule to remember when making rough wire size estimations. Of wires mm in mm in mm in mm in 20 1020 0 517 00080 7 0 31 0121 91 036. Sizes 14 thru 2 are available in solid. A detailed description of each conductor.

B 2 medium hard copper wire. Sizes 8 thru 2 are available in 7 strand. Stranded conductors offer greater flexibility than solid 250 kcmil 1 000 kcmil. The american wire gauge awg measurement system was designed with a purpose.

Southwire s bare copper wire and cable meets or exceeds the following astm specifications. 36 7 44 0 0020 0 006 28 00 0 09 371 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. Also available in tinned copper.

B 1 hard drawn copper wire. 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. Stranded wire data chart awg of nom. Annealed copper wire astm b8.

Mil area1 000 ft 1 000 ft. Alan wire bare copper conductors are normally annealed soft copper solid or stranded. Awg copper wire table size and data chart 100 degrees f. Standard specification for concentric lay stranded copper conductors hard medium hard or soft engineering information conductor.

American wire gauge awg sizes and properties chart table table 1 lists the awg sizes for electrical cables conductors. Medium hard drawn tempers are also available in solid and stranded. D n in 0 005 in 92 36 n 39. The resistances and skin depth noted are for copper conductors.

Wire gauge calculations wire diameter calculations. Stranded bare copper bare or tinned soft annealed medium hard or hard drawn stranded bare copper. B 33 tinned conductors b 787 19 wire combination unilay stranded. American wire gauge size calculator and chart.