Copper Wire Size Chart. The tables below are intended to be a general guide for wire size and amp ratings. The resistances and skin depth noted are for copper conductors.
A detailed description of each conductor property is described below Table. The n gauge wire diameter d n in inches in is equal to 0005in times 92 raised to the power of. AT 20C FEET PER POUND POUNDS PER 1000 FT.
D Distance in Feet One way ie.
Wire Gauge Size Copper Aluminum 60C 140F 75C 167F 90C 194F 75C 167F 90C 194F NM-B THW THWN-2 THW XHHW-2 UF-B THWN THHN THWN THHN--- SE XHHW-2 SE TWHN-2--- USE --- USE ----- XHHW --- XHHW ---14 15 15 15 --- ---12 20 20 20 15 15 10 30 30 30 25 25 8 40 50 55 40 45 6 55 65 75 50 60. The smallest AWG size is 40 and the largest is 0000 40. Paint 750 x 750 x 4mm COPPER STRIP PATTI SIZE IN MM WEIGHT PER METER KGS. Wire Copper Enamelled 27 SWG 0136mm² 26AWG 450 ECW04 Wire Copper Enamelled 25 SWG 0203mm² 24AWG 290 ECW05 Wire Copper Enamelled 24 SWG 0246mm² 23AWG 230 ECW056 Wire Copper Enamelled 22 SWG 0396mm² 21AWG 140 ECW071 Wire Copper Enamelled 21 SWG 0515mm² 20AWG 125 ECW080 Wire Copper Enamelled 19 SWG.