TABLE 6 - Flexible Cordes and Cables (rom Article 400, NEC)

TRADE NAME

TYPE LETTER

SIZE AWG

NUMBER OF CONDUCTORS

INSULATION

NOMINAL *INSULATION THICKNESS

BRAND
ON EACH CONDUCTOR

OUTER COVERING

USE

AWG

MILS

HARD SERVICE CORD

SO
SEE NOTE 5

 

18-2

 

2 OR MORE

THERMOSET

18-16

 

14-10

8-2

30

 

45

60

 

OIL-RESISTANT THERMOSET

PENDANT OR PORTABLE

DAMP
LOCATIONS

EXTRA
HARD USAGE

SOO
SEE NOTE 5

OIL-RESISTANT THERMOSET

OIL-RESISTANT THERMOSET

HARD SERVICE CORD

ST
SEE NOTE 5

 

18-2

 

2 OR MORE

THERMO-PLASTIC  OR THERMOSET

18-16

14-10

8-2

30

45

60

NONE

THERMO-PLASTIC

PENDANT OR PORTABLE

DAMP
LOCATIONS

EXTRA
HARD USAGE

STO
SEE NOTE 5

OIL-RESISTANT THERMO-PLASTIC

STOO SEE NOTE 5

OIL-RESISTANT
THERMO-PLASTIC OR THERMOSET

 

HARD SERVICE CORD

S SEE NOTE 5

 

18-2

 

2 OR MORE

THERMOSET

18-16

 

14-10

8-2

30

 

45

60

NONE

THERMOSET

PENDANT OR PORTABLE

DAMP LOCATIONS

EXTRA HARD USAGE

SE SEE NOTE 5

THERMO-PLASTIC ELASTOMETER

SEO SEE NOTE 5

THERMO-PLASTIC ELASTOMETER

OIL-RESISTANT THERMO-PLASTIC ELASTOMETER

JUNIOR HARD SERVICE CORD

SJ

 

 

 

18-10

 

 

 

2, 3, 4 OR 5

THERMOSET

 

18-12

 

 

 

 

10

 

30

 

 

 

 

45

NONE

THERMOSET

PENDANT OR PORTABLE

DAMP LOCATIONS

HARD USAGE

SJE

THERMO-PLASTIC ELASTOMETER

THERMO-PLASTIC ELASTOMETER

SJEO

OIL-RESISTANT THERMO-PLASTIC ELASTOMETER

SJO

THERMOSET

SJOO

OIL-RESISTANT THERMOSET

OIL-RESISTANT THERMOSET

SJT

THERMO-PLASTIC OR THERMOSET

THERMO-PLASTIC

SJTO

THERMOSET OR THERMO-PLASTIC

OIL-RESISTANT THERMO-PLASTIC

SJTOO

OIL-RESISTANT THERMO-PLASTIC OR THERMOSET OIL-RESISTANT THERMO-PLASTIC