Wire specifications and cross reference

*Disclaimer IWM does not warrant or assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed below.

Identifying the correct grade of wire for an application can be a difficult process due to the number of different standards and definitions that can be applied.

The table below aims to assist engineers in simplifying this process.
Specification
Part
Sheet
Description
NEMA
Previous BS
IEC 60317
0
1
General requirements - Enamelled round copper wire
     
IEC 60317
0
2
General requirements - Enamelled rectangular copper wire
     
IEC 60317
0
3
General requirements - Enamelled round aluminium wire
     
IEC 60317
0
4
General requirements - Glass-fibre wound resin or varnish impregnated, bare or enamelled rectangular copper wire
   
IEC 60317
0
5
General requirements - Glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire
   
IEC 60317
0
6
General requirements - Glass-fibre wound resin or varnish impregnated, bare or enamelled round copper wire
     
IEC 60317
1
Polyvinyl acetal enamelled round copper wire, class 105
  BS6811 3..5
IEC 60317
2
Solderable polyurethane enamelled round copper wire, class 130, with a bonding layer
MW 29-C BS6811 3..4
IEC 60317
3
Polyester enamelled round copper wires, class 155
   
IEC 60317
4
Solderable polyurethane enamelled round copper wire, class 130
MW 75-C BS6811 3..1
IEC 60317
7
Polyimide enamelled round copper wire, class 220
MW 16-C BS6811 3..8
IEC 60317
8
Polyesterimide enamelled round copper wire, class 180
  BS6811 3..2
IEC 60317
10
Enamelled round copper wires with a temperature index of 180 for use in refrigerant systems
     
IEC 60317
11
Bunched solderable polyurethane enamelled round copper wires, class 130, with silk covering
  BS6811 3..6
IEC 60317
12
Polyvinyl acetal enamelled round copper wire, class 120
  BS6811 3..7
IEC 60317
13
Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire, class 200
MW 35- C/A BS6811 3..3
IEC 60317
14
Polyvinyl acetal enamelled round aluminium wire, class 105
  BS6811 5..1
IEC 60317
15
Polyesterimide enamelled round aluminium wire, class 180
  BS6811 5..2
IEC 60317
16
Polyester enamelled rectangular copper wire, class 155
  BS6811 4..4
IEC 60317
17
Polyvinyl acetal enamelled rectangular copper wire, class 105
  BS6811 4..5
IEC 60317
18
Specifications for particular types of winding wires. Part 18: Polyvinyl acetal enamelled rectangular copper wire, class 120
BS6811 4..6
IEC 60317
19
Solderable polyurethane enamelled round copper wire, overcoated with polyamide, class 130
MW 28-C    
IEC 60317
20
Solderable polyurethane enamelled round copper wire, class 155
MW 79-C BS6811 3..9
IEC 60317
21
Solderable polyurethane enamelled round copper wire overcoated with polyamide, class 155
MW 80-C    
IEC 60317
22
Polyester or polyesterimide enamelled round copper wire overcoated with polyamide, class 180
MW 76-C/A BS6811 3..10
IEC 60317
23
Solderable polyesterimide enamelled round copper wire, class 180
MW 77-C BS6811 3..11
IEC 60317
24
Polyester or polyesterimide enamelled round aluminium wire overcoated with polyamide, class 180
     
IEC 60317
25
Polyester or polyesterimide overcoated with polyamide-imide enamelled round aluminium wire, class 200
MW 35-A BS6811 5..3
IEC 60317
26
Polyamide-imide enamelled round copper wire, class 200
MW 16-C BS6811 3..12
IEC 60317
27
Paper tape covered rectangular copper wire
MW 33-C BS6811 8..1
IEC 60317
28
Polyesterimide enamelled rectangular copper wire, class 180
     
IEC 60317
29
Polyester or polyesterimide overcoated with polyamide-imide enamelled rectangular copper wire, class 200
MW 36-C    
IEC 60317
30
Polyimide enamelled rectangular copper wire, class 220
MW 20-C BS6811 4..7
IEC 60317
31
Glass-fibre wound resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 180
BS6811 6..1
IEC 60317
32
Glass-fibre wound, resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 155
BS6811 6..2
IEC 60317
33
Glass-fibre wound resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 200
BS6811 6..3
IEC 60317
34
Polyester enamelled round copper wire, class 130L
     
IEC 60317
35
Solderable polyurethane enamelled round copper wire, class 155, with a bonding layer
  BS6811 3..13
IEC 60317
36
Solderable polyesterimide enamelled round copper wire, class 180, with a bonding layer
MW 1000 BS6811 3..14
IEC 60317
37
Polyesterimide enamelled round copper wire, class 180, with a bonding layer
  BS6811 3..15
IEC 60317
38
Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire, class 200, with a bonding layer
MW 102-C BS6811 3..16
IEC 60317
39
Glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 180
BS6811 7..1
IEC 60317
40
Glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 200
MW 43-C BS6811 7..2
IEC 60317
41
Solderable polyester enamelled round copper wire, class 130L
     
IEC 60317
42
Polyester-amide-imide enamelled round copper wire, class 200
     
IEC 60317
43
Aromatic polyimide tape wrapped round copper wire, class 240
     
IEC 60317
44
Aromatic polyimide tape wrapped rectangular copper wire, class 240
     
IEC 60317
45
Polyester enamelled round copper wire, class 130
     
IEC 60317
46
Aromatic polyimide enamelled round copper wires, class 240
MW16/20    
IEC 60317
47
Aromatic polyimide enamelled rectangular copper wire, class 240
     
IEC 60317
48
Glass-fibre wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 155
     
IEC 60317
49
Glass-fibre wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 180
     
IEC 60317
50
Glass-fibre wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 200
     
IEC 60317
51
Solderable polyurethane enamelled round copper wire, class 180
MW-82C    
IEC 60317
52
Aromatic polyamide (aramid) tape wrapped round copper wire, temperature index 220
     
IEC 60317
53
Aromatic polyamide (aramid) tape wrapped rectangular copper wire, temperature index 220
     
IEC 60317
54
Polyester enamelled round copper wire, class 155L