Copper Wire

What is copper wire?
A conductor is a metal material which allows the flow of electricity to pass through it. Electrical conductors, in this case copper are used to form wires. A wire is a long length of conductive metal used in the electrical wiring industry. Wire is made by passing the base material through a hole in a die or draw plate to reduce the overall size. The process is repeated to reduce the diameter further to its final size.The copper wires are then ready for the annealing process. Annealing involves the wires being heated up to a very high temperature and then allowed to cool naturally. This clever process helps to eliminate any internal weaknesses and strengthens the metal. Annealing also improves the conductivity of the metal. Copper is the second most conductive material in the world after silver and due to its excellent physical properties copper wire is used in almost every electrical application.
Types of copper wire
Copper wire more often than not has some sort of coating.The type of coating depends on where the copper wire will be used.
Enamelled Wire or (magnet wire) is a wire coated with a thin layer of varnish. Enamelled copper wire is used for the construction of transformers, motors, inductors, electromagnets.
Tinned Wire is a copper wire that has had a thin layer of tin applied to the outer surface of the material. Tinning the wire strengthens the coppers natural properties making it more resistant to high temperatures, humid and wet conditions. Tinned copper wire is very easy to solder making it useful for connecting components and internal contacts.
Copper wire is a single solid conductor. The size of the wire can be quoted in three different ways. By the size of the strand, the outer diameter or by its gauge.
Strand Sizing will be typically shown like 1/0.2 mm 1/ 0.5 mm 1/0.63 mm. The first number before the slash will denote the number of conductors, in this case 1 single solid conductor. The second number after the slash refers to the OD of the solid conductor.
Outer Diameter is self-explanatory, it refers to the overall outside diameter of the single solid conductor.
American Wire Gauge or AWG is a standard system set for the measurement of the cross sectional area of the solid conductor. AWG sizes are not relative, the higher the AWG number the thinner or smaller the wire, and the lower the AWG the thicker or bigger the wire will be.

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Description Price Cross Sectional Area American Wire Gauge Core Strands Insulation Material Outer Diameter Length Finish Voltage Rating Wire Style Maximum Operating Temperature Shield Type Cable Type Minimum Operating Temperature Operating Temperature Range
RS Stock No. 355-079
BrandRS PRO
HK$60.54
Each
units
0.4 mm² 21 AWG - - 0.71mm 50.9m Tinned - BS EN13602 - - Single Core - -
RS Stock No. 355-041
BrandRS PRO
HK$60.90
Each
units
1.3 mm² 16 AWG - - 1.63mm 11.4m Tinned - BS EN13602 - - Single Core - -
RS Stock No. 357-930
BrandRS PRO
HK$150.85
Each
units
1.5 mm² 15 AWG 1/1.5 mm PUR 1.59mm 30m Enamelled - EN 60317/20 +155°C - Single Core - Maximum of +155 °C
RS Stock No. 390-555
BrandRS PRO
HK$69.18
Each
units
0.08 mm² 28 AWG - - 0.35mm 256m Tinned - BS EN13602 - - Single Core - -
RS Stock No. 355-057
BrandRS PRO
HK$71.79
Each
units
1.1 mm² 17 AWG - - 1.22mm 20.2m Tinned - BS EN13602 - - Single Core - -
RS Stock No. 357-918
BrandRS PRO
HK$188.45
Each
units
0.03 mm² 32 AWG 1/0.2 mm PUR 0.23mm 1600m Enamelled - EN 60317/20 +155°C - Single Core - Maximum of +155 °C
RS Stock No. 337-7044
Mfr. Part No.CUL100/0.75
BrandBlock
HK$48.32
Each
units
0.4 mm² 21 AWG 1/0.75 mm PUR 0.75mm 20m Enamelled - - +155°C Unshielded Single Core - Maximum of +155 °C
RS Stock No. 337-7038
Mfr. Part No.CUL100/1.12
BrandBlock
HK$61.51
Each
units
1.1 mm² 17 AWG 1/1.12 mm PUR 1.12mm 9m Enamelled - - - Unshielded Single Core - Maximum of +155 °C
RS Stock No. 357-766
BrandRS PRO
HK$152.64
Each
units
0.4 mm² 21 AWG 1/0.71 mm PUR 0.78mm 120m Enamelled - EN 60317/20 +155°C - Single Core - Maximum of +155 °C
RS Stock No. 390-527
BrandRS PRO
HK$69.61
Each
units
3.3 mm² 12 AWG - - 2.03mm 7.1m Tinned - BS EN13602 - - Single Core - -
RS Stock No. 337-7050
Mfr. Part No.CUL100/0.40
BrandBlock
HK$59.78
Each
units
0.13 mm² 26 AWG 1/0.4 mm PUR 0.4mm 69m Enamelled - - - Unshielded Single Core - Maximum of +155 °C
RS Stock No. 357-750
BrandRS PRO
HK$161.28
Each
units
0.26 mm² 23 AWG 1/0.56 mm PUR 0.62mm 200m Enamelled - EN 60317/20 +155°C - Single Core - Maximum of +155 °C
RS Stock No. 337-7088
Mfr. Part No.CUL100/0.10
BrandBlock
HK$99.63
Each
units
- 38 AWG 1/0.1 mm PUR 0.1mm 1144m Enamelled - - - Unshielded Single Core - Maximum of +155 °C
RS Stock No. 357-744
BrandRS PRO
HK$184.16
Each
units
0.2 mm² 24 AWG 1/0.5 mm PUR 0.5mm 286m Enamelled - EN 60317/20 +155°C - Single Core - Maximum of +155 °C
RS Stock No. 337-7072
Mfr. Part No.CUL200/0.22
BrandBlock
HK$102.62
Each
units
0.04 mm² 31 AWG 1/0.22 mm PUR 0.22mm 429m Enamelled - - - Unshielded Single Core - Maximum of +155 °C
RS Stock No. 355-085
BrandRS PRO
HK$68.91
Each
units
0.2 mm² 24 AWG - - 0.56mm 91.3m Tinned - BS EN13602 - - Single Core - -
RS Stock No. 357-772
BrandRS PRO
HK$148.59
Each
units
0.52 mm² 20 AWG 1/0.8 mm PUR 0.87mm 100m Enamelled - EN 60317/20 +155°C - Single Core - Maximum of +155 °C
RS Stock No. 357-924
BrandRS PRO
HK$181.39
Each
units
0.04 mm² 31 AWG 1/0.22 mm PUR 0.26mm 1300m Enamelled - EN 60317/20 +155°C - Single Core - Maximum of +155 °C
RS Stock No. 161-7767
Mfr. Part No.CUL 100/0,85
BrandBlock
HK$31.526
Each (In a Bag of 5)
units
0.52 mm² 20 AWG 1/0.85 mm PUR 0.85mm 15m Enamelled - - +155°C - Single Core - -
RS Stock No. 175-7468
BrandRS PRO
HK$358.48
1 Reel of 10 Metre(s)
Reel(s)
4 mm² - 1036/0.07 mm PVC 4.8mm 10m - 1.5 kV - +70°C - Stranded -10°C -10 → +70 °C
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