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Cable Jacket Types Explained

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Cable Jacket Types Explained

Nomenclature Key

What each letter in the cable jacket description means.

 

S Service Grade (also means extra hard service when not followed by J, V, or P)
J Hard Service
V Vacuum cleaner cord (also light duty cable)
P Parallel cord (also known as zip cord) – Always light duty
E Thermoplastic Elastomer (UL/NEC designation ONLY)
O Oil Resistant*
T Thermoplastic
W Outdoor-includes sunlight resistant jacket and wet location rated conductors (formerly "W-A")
H Heater cable
VW-1 Flame retardant (Vertical specimen Flame Test)
FT2 Flame retardant (Horizontal specimen Flame Test)

* When only one "O" appears in a classification (i.e. SJEOW), only the outer jacket material is oil resistant. If two "O's" are in the classification (i.e. SEOOW), the insulation covering the conductors and the outer jacket insulation are both oil resistant.


 

Reference Chart

Below is an easy to follow reference chart to help you decide which jacket type is right for you.

 

Type Description AWG Size Range Number of Conductors Insulation / Jacket Material Voltage Applications
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 or 3 PVC / No Jacket 300 Indoor use only: cords for lamps small fans, radios, televisions, etc.
SPT-2 Service Parallel Thermoplastic - 2/64" Insulation 18-16 2 or 3 PVC / No Jacket 300 Indoor use only: cords for lamps small fans, radios, televisions, etc.
SPT-3 Service Parallel Thermoplastic - 3/64" Insulation 18-10 2 or 3 PVC / No Jacket 300 Indoor use only: cords for lamps small fans, radios, televisions, etc.
SPE-1 Service Parallel Elastomer - 1/64" Insulation 18 2 or 3 Elastomer / 
No Jacket
300 \\\\
SPE-2 Service Parallel Elastomer - 2/64" Insulation 18-16 2 or 3 Elastomer / 
No Jacket
300 \\\\
SPE-3 Service Parallel Elastomer - 3/64" Insulation 18-10 2 or 3 Elastomer / 
No Jacket
300 \\\\
SV Service Vacuum 18 2 or 3 Rubber / Rubber 300 \\\\
SVO

SV with Oil Resistant Jacket

18 2 or 3 Rubber / Rubber 300 \\\\
SVOO SVO with Oil Resistant Insulation 18 2 or 3 Rubber / Rubber 300 \\\\
SVT Service Vacuum Thermoplastic 18 or 17 2 or 3 PVC / PVC 300 Indoor use only: Cords for vacuum cleaners, fans and portable lights. Extra flexible.
SVTO SVT with Oil Resistant Jacket 18 or 17 2 or 3 PVC / PVC 300 Indoor use only: Cords for vacuum cleaners, fans and portable lights. Extra flexible.
SVTOO SVTO with Oil Resistant Insulation 18 or 17 2 or 3 PVC / PVC 300 Indoor use only: Cords for vacuum cleaners, fans and portable lights. Extra flexible.
SVE Service Vacuum Elastomer 18 or 17 2 or 3 Elastomer/
Elastomer
300 \\\\
SVEO SVE with Oil Resistant Jacket 18 or 17 2 or 3 Elastomer/
Elastomer
300 \\\\
SVEOO SVEO with Oil Resistant Insulation 18 or 17 2 or 3 Elastomer/
Elastomer
300 \\\\
SJ Service Junior 18-10 2, 3 or 4 Rubber / Rubber 300 \\\\
SJO SJ with Oil Resistant Jacket 18-10 2, 3 or 4 Rubber /
Neoprene
300 \\\\
SJOO SJO with Oil Resistant Insulation 18-10 2, 3 or 4 PVC / PVC 300 \\\\
SJT Service Junior Thermoplastic 18-10 2, 3 or 4 PVC / PVC 300 Hard usage indoors.
SJTO SJT with Oil Resistant Jacket 18-10 2, 3 or 4 PVC / PVC 300 Hard usage indoors.
SJTOO SJTO with Oil Resistant Insulation 18-10 2, 3 or 4 PVC / PVC 300 Hard usage indoors.
SJTW SJT with Outdoor Jacket 18-14 2, 3 or 4 PVC / PVC 300 Hard usage outdoors: cords for lawn equipment, etc..
SJE Service Junior Elastomer 18-10 2, 3, 4 or 5 Elastomer/
Elastomer
300 \\\\
SJWO SJE with Oil Resistant Jacket 18-10 2, 3, 4 or 5 Elastomer/
Elastomer
300 \\\\
SJEOW SJEO with Outdoor Jacket 18-10 2, 3, 4 or 5 Elastomer/
Elastomer
300 Hard usage outdoors: cords for lawn equipment, etc..
SJEOO SJEO with Oil Resistant Insulation 18-10 2, 3, 4 or 5 Elastomer/
Elastomer
300 Hard usage outdoors: cords for lawn equipment, etc..
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 Extra hard usage indoors: Heavy Industrial equipment.
STW ST with Outdoor Jacket 18-2 2 or more PVC / PVC 600 Extra hard usage outdoors: Heavy Industrial equipment.
STO ST with Oil Resistant Jacket 18-2 2 or more PVC / PVC 600 Extra hard usage outdoors: Heavy Industrial equipment.
SE Service Elastomer 18-2 2 or more Elastomer/
Elastomer
600 Extra hard usage outdoors: Heavy Industrial equipment.
SEO SE with Oil Resistant Jacket 18-2 2 or more Elastomer/
Elastomer
600 Extra hard usage outdoors: Heavy Industrial equipment.
SEOW SEO with Outdoor Jacket 18-2 2 or more Elastomer/
Elastomer
600 Extra hard usage outdoors: Heavy Industrial equipment.
SEOO SEO with Oil Resistant Insulation 18-2 2 or more Elastomer/
Elastomer
600 Extra hard usage outdoors: Heavy Industrial equipment.
HPN Heater Parallel Neoprene 118-12 2 or 3 Neoprene / 
No Jacket
300 \\\\
HSJ Heater Service Junior 18-12 2, 3 or 4 Neoprene / Rubber 300 \\\\
HSJO HSJ with Oil Resistant Jacket 18-12 2, 3 or 4 Neoprene /
Neoprene
300 \\\\
HS Heater Service 14-12 2, 3 or 4 Neoprene / Rubber
Pub Time : 2015-06-16 09:55:20 >> News list
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