18 AWG STR THHN (TFFN)

600 Volt. Copper Conductor. Thermoplastic Insulation/Nylon Sheath. Heat, Moisture, Oil, and Gasoline Resistant II. Also Rated MTW and 105 °C AWM. Also Available, TFN and TEWN.

DESCRIPTION

600 Volt. Copper Conductor. Thermoplastic Insulation/Nylon Sheath. Heat, Moisture, Oil, and Gasoline Resistant II. Also Rated MTW and 105 °C AWM. Also Available, TFN and TEWN.

APPLICATIONS

TFFN or MTW or AWM may be used as fixture wire, machine tool wiring,
or appliance wiring material as specified in the National Electrical Code. Voltage for all
applications is 600 volts. Allowable temperatures are as follows:
• TFFN- Dry locations not to exceed 90°C
• MTW- Wet locations or when exposed to oil or coolant at temperatures not to exceed
60°C
• MTW- Dry locations at Temperatures not to exceed 90°C (with ampacity limited to
that for 75°C conductor temperature per NFPA 79)
• AWM- When rated as appliance wiring material in dry locations, conductor
temperatures not to exceed 105°C
• TEWN- Wet or dry locations conductor temperatures not to exceed 105°C

JACKET COLORS

BLACK, RED, BLUE, WHITE, BROWN, ORANGE, YELLOW, GRAY, PURPLE, GREEN

STANDARDS

• ASTM- All Applicable Standards
• UL Standards 66, 758, and 1063
• National Electrical Code, NFPA 70, 2011 Edition
• RoHS/REACH

CONSTRUCTION

copper conductors are annealed (soft) copper, insulated with a tough, heat and moisture resistant polyvinyl chloride (PVC), over which a nylon (polyamide) jacket is applied. Available in black, white, red, blue, green, yellow, orange, brown, purple, gray, and pink. Some colors standard, some subject to economic order quantity.

CONDUCTOR SIZE (AWG)

18

STR/SOLID

STR

NO. OF STRANDS

16

VINYL INSULATION (MILS

15

NYLON JACKET (MILS)

4

NOMINAL O.D. (MILS)

85

NET WEIGHT (LBS/KFT)

7

ALLOWABLE AMPACITIES (TFFN)

6

ALLOWABLE AMPACITY (MTW)

7

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