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HOME Wire Harmonization Codes
Wire Harmonization Codes



Cable Jacket
V PVC
R Rubber (natural or synthetic)
N Polychloropren Rubber
T Textile Construction
  Construction Detail

H   Flat separate cable

H2 Flat non-separate
      cable
Number of Conductors  
Voltage Rating
(conductor/outer jacket)
03 300/300V
05 300/500V
07 450/750V
    Cross-sectional
size of conductors
in mm2
  Types
H Harmonized
A Other Standard
Special
Component

D3 rarely used
Conductor Construction
U Solid
R Stranded
K Fine wire for
   stationary
F Fine wire for
   flexible cordage
H Extra-fine for
   flexible cordage
Y Tinsel cord
G With ground conductors
X Without ground conductors
    Conductor Insulation
V PVC
R Rubber
    (natural or synthetic)
N Polychloroprene Rubber
S Silicone Rubber
J Glass Fiber Construction