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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 27 Tinsel 2 Rubber/Rubber 125
TST Tinsel Service Thermoplastic 27 Tinsel 2 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 2,3 PVC/NO Jacket 300
SPT-3 Service Parallel Thermoplastic-3/64" Insulation 18-10 2,3 PVC/No Jacket 300
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 Elastomer/No Jacket 300
SPE-3 Service Parallel Elastomer-3/64" Insulation 18-10 2,3 Elastomer/No Jacket 300
SV Service Vacuum 18 2,3 Rubber/Rubber 300
SVO Service Vacuum Oil Resistant Jacket 18 2,3 Rubber/Rubber 300
SVOO SVO with Oil Resistant Insulation 18 2,3 Rubber/Rubber 300
SVT Service Vacuum Thermoplastic 18-17 2,3 PVC/PVC 300
SVTO SVT with Oil Resistant Jacket 18-17 2,3 PVC/PVC 300
SVTOO SVTO with Oil Resistant Insulation 18-17 2,3 PVC/PVC 300
SVE Service Vacuum Elastomer 18-17 2,3 Elastomer/No Jacket 300
SVEO SVE with Oil Resistant Jacket 18-17 2,3 Elastomer/No Jacket 300
SVEOO SVEO with Oil Resistant Insulation 18-17 2,3 Elastomer/No Jacket 300
SJ Service Junior 18-10 2,3,4 Rubber/Rubber 300
SJO SJ with Oil Resistant Jacket 18-10 2,3,4 Rubber/Neoprene 300
SJOO SJO with Oil Resistant Insulation 18-10 2,3,4 Neo/Neo 300
SJT Service Junior Thermoplastic 18-10 2,3,4 PVC/PVC 300
SJTW-A SJT with Outdoor Jacket 18-10 2,3,4 PVC/PVC 300
SJTO SJT with Oil Resistant Jacket 18-10 2,3,4 PVC/PVC 300
SJTOO SJTO with Oil Resistant Insulation 18-10 2,3,4,5 PVC/PVC 300
SJE Service Junior Elastomer 18-10 2,3,4,5 Elastomer/Elastomer 300
SJEO SJE with Oil Resistant Jacket 18-10 2,3,4,5 Elastomer/Elastomer 300
SJEOW-A SJEO with Outdoor Jacket 18-10 2,3,4,5 Elastomer/Elastomer 300
SJEOO SJEO with Oil Resistant Insulation 18-10 2,3,4,5 Elastomer/Elastomer 300
S Service 18-2 2 or more Rubber/Rubber 600
SO Service with Oil Resistant Jacket 18-2 2 or more Rubber/Neoprene 600
SOO SO with Oil Resistant Insulation 18-2 2 or more Rubber/Neoprene 600
ST Service Thermoplastic 18-2 2 or more PVC/PVC 600
STW-A ST with Outdoor Jacket 18-2 2 or more PVC/PVC 600
STO ST with Oil Resistant Jacket 18-2 2 or more PVC/PVC 600
SE Service Elastomer 18-2 2 or more Elastomer/Elastomer 600
SEO SE with Oil Resistant Jacket 18-2 2 or more Elastomer/Elastomer 600
SEOW-A SEO with Outdoor Jacket 18-2 2 or more Elastomer/Elastomer 600
SEOO SEO with Oil Resistant Insulation 18-2 2 or more Elastomer/Elastomer 600
HPN Heater Parallel Neoprene 18-12 2,3 Neoprene/No Jacket 300
HSJ Heater Service Junior 18-12 2,3,4 Neoprene/Rubber 300
HSJO HSJ with Oil Resistant Jacket 18-12 2,3,4 Neoprene/Neoprene 300
HS Heater Service 14-2 2,3,4 Neoprene/Rubber 300
HSO HS with Oil Resistant Jacket 14-2 2,3,4 Neoprene/Neoprene 300