Bare Stranded Copper Wire Size Chart

Wire gauge calculations wire diameter calculations.

Bare stranded copper wire size chart.

Southwire s bare copper wire and cable meets or exceeds the following astm specifications. Lbs ohms per sizestrandsof strand o d. Medium hard drawn tempers are also available in solid and stranded. Of wires mm in mm in mm in mm in 20 1020 0 517 00080 7 0 31 0121 91 036.

B 8 concentric lay stranded hard medium hard or soft copper conductor. 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. Sizes 14 thru 2 are available in solid. Bare copper conductors are primarily used for grounding purposes as specified in the national electrical code.

The american wire gauge awg measurement system was designed with a purpose. 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. B 1 hard drawn copper wire.

Stranded bare copper bare or tinned soft annealed medium hard or hard drawn stranded bare copper. Mil area1 000 ft 1 000 ft. Annealed copper wire astm b8. B 33 tinned conductors b 787 19 wire combination unilay stranded.

B 3 soft or annealed copper wire. 36 7 44 0 0020 0 006 28 00 0 09 371 00. 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. Standard specification for concentric lay stranded copper conductors hard medium hard or soft engineering information 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. Sizes 8 thru 2 are available in 7 strand. American wire gauge awg sizes and properties chart table table 1 lists the awg sizes for electrical cables conductors. Suitable for use in electrical grounding systems including counterpoise grounding and on insulators for overhead transmission and distribution applications.

Alan wire bare copper conductors are normally annealed soft copper solid or stranded. Hard drawn and medium hard drawn per astm b 1 b 2. D n in 0 005 in 92 36 n 39. Also available in tinned copper.

Awg copper wire table size and data chart 100 degrees f. Stranded wire data chart awg of nom. Soft bare copper solid or classes a or b stranding per astm b 3 and b 8. This is a handy rule to remember when making rough wire size estimations.

In addition to wire size the table provides values load current carrying capacity resistance and skin effects. For every three steps in the gauge scale wire area and weight per unit length approximately doubles. A detailed description of each conductor. The resistances and skin depth noted are for copper conductors.