Harmonized Wire Coding System

This chart illustrates the Harmonization code for cordage "H05VVF3G0.75"

Type
Harmonized
Other Standard
Voltage Rating
300 / 300V
300 / 500V
450 / 750V
Conductor Insulation
PVC
Rubber (Natural or Synthetic)
Polychloroprene Rubber
Silicone Rubber
Glass Fiber Construction
Cable Jacket
PVC
Rubber (Natural or Synthetic)
Polychloroprene Rubber
Textile Construction
Special Component
Rarely used
Construction Detail
Flat, separate cable
Flat, non-separate cable
Conductor Construction
Solid
Stranded
Fine wire-stationary install
Fine wire-flexible cordage
Extra-fine wire-flex. cordage
Tinsel cord
Number of Conductors
With ground conductor
Without ground conductor
Cross-sectional size of conductors in mm2

 

Flexible Cord Jacketing Designations
Code Description AWG Size Conductors Insulation/Jacket Voltage Rating
TPT Tinsel Parallel Thermoplastic 27 Tinsel 2 PVC / No Jacket 250
TS Tinsel Service Rubber / Rubber 125
TST Tinsel Service Thermoplastic PVC / PVC 125
SPT-1 Service Parallel Thermoplastic - 1/64" Insulation 18 2,3 PVC / No Jacket 300
SPT-2 Service Parallel Thermoplastic - 2/64" Insulation 18 - 16
SPT-3

Service Parallel Thermoplastic - 3/64" insulation

 18 - 10
SPE-1 Service Parallel Elastomer - 1/64" insulation 18 2,3 Elastomer / No Jacket 300
SPE-2 Service Parallel Elastomer - 2/64" insulation 18 - 16 2,3 PVC / No Jacket 300
SPE-3 Service Parallel Elastomer - 3/64" insulation 18 - 10
SV Service Vacuum 18 2,3 Rubber / Rubber 300
SVO Service Vacuum Oil Resistant Jacket
SVOO SVO with Oil Resistant Insulation
SVT Service Vacuum Thermoplastic 18 - 17 2,3 PVC / PVC 300
SVTO SVT with Oil Resistant Jacket
SVTOO SVTO with Oil Resistant Insulation
SVE Service Vacuum Elastomer 18 - 17 2,3 Elastomer / Elastomer 300
SVEO SVE with Oil Resistant Jacket
SVEOO SVEO with Oil Resistant Insulation
SJ Sevice Junior 18 - 10 2,3,4 Rubber / Rubber 300
SJO SJ with Oil Resistant Jacket
SJOO SJO with Oil Resistant Insulation
SJT Sevice Junior Thermoplastic 18 -10 2,3,4 PVC / PVC 300
SJTW SJT with Outdoor Jacket
SJTO SJT with Oil Resistant Jacket
SJTOO SJTO with Oil Resistant Insulation
SJE Service Junior Elastomer 18 -10 2,3,4,5 Elastomer / Elastomer 300
SJEO SJE with Oil Resistant Jacket
SJEOW SJEO with Outdoor Jacket
SJEOO SJEO with Oil Resistant Insulation
S Service 18 - 2 2 or more Rubber / Rubber 600
SO Service with Oil Resistant Jacket
SOO SO with Oil Resistant Insulation
ST Service Thermoplastic 18 - 2 2 or more PVC / PVC 600
STW ST with Outdoor Jacket
STO ST with Oil Resistant Jacket
SE Service Elastomer 18 - 2 2 or more Elastomer / Elastomer 600
SEO SE with Oil Resistant Jacket
SEOW SEO with Outdoor Jacket
SEOO SEO with Oil Resistant Insulation
HPN Heater Parallel Rubber 18 - 12 2,3 Rubber / No Jacket 300
HSJ Heater Service Junior 18 - 12 2,3,4 Rubber / Rubber 300
HSJO HSJ with Outdoor Jacket
HS Heater Service 14 - 2 2,3,4 Rubber / Rubber 300
HSO HS with Oil Resistant Jacket