Specifications

THHN wire 600 Volt
Copper Conductor
Thermoplastic Insulation/Nylon Sheath Heat, Moisture, Gasoline, and Oil Resistant

Tinned copper PVC INSULATION NYLON JACKET THHN wire

 

APPLICATION           Suitable for use as follows:

THHN or THWN-2* conductors are primarily used in conduit and cable trays for services, feeders, and branch circuits in commercial or industrial applications as specified in the National Electrical Code 2

 

When used as Type THHN, conductor is suitable for use in dry locations at temperatures not to exceed 90°C

 

When used as Type THWN-2*, conductor is suitable for use in wet or dry locations at temperatures not to exceed 90°C or not to exceed 75°C when exposed to oil or coolant

 

When used as Type MTW, conductor is suitable for use in wet locations or when exposed to oil or coolant at temperatures not to exceed 60°C or dry locations at temperatures not to exceed 90°C (with ampacity limited to that for 75°C conductor temperature per NFPA 79)

 

Conductor temperatures not to exceed 105°C in dry locations when rated AWM and used as appliance wiring material. Voltage for all applications is 600 volts

 

STANDARD & REFERENCES

THHN or THWN-2* or MTW (also AWM) meets or exceeds all applicable ASTM specifications, UL Standard 83, UL Standard 1063 (MTW), Federal Specification A-A-59544, and requirements of the National Electrical Code.

 

CONSTRUCTIONS

 

THHN or THWN-2* or MTW copper conductors are annealed (soft) copper, insulated with a tough heat and moisture resistant polyvinyl chloride (PVC), over which a nylon (polyamide) or UL-listed equal jacket is applied

 

Available in black, white, red, blue, green, yellow, brown, orange, and gray; some colors standard, some subject to economic order quantity

 

Conductor sizes 2 AWG and larger listed and marked sunlight-resistant in black only.

 

SPECIFICATIONS

 

MTW or THHN or THWN-2

Conductors shall be UL-listed Type MTW or THHN or THWN-2* gasoline and oil resistant II, suitable for operations at 600 volts as specified in the National Electrical Code. Sizes 14 through 1 AWG shall be rated VW-1, larger sizes shall be listed for CT use. Sizes 2 AWG and larger listed and marked sunlight-resistant in black only. Conductors shall be annealed copper, insulated with high-heat and moisture resistant PVC, jacketed with abrasion, moisture, gasoline, and oil resistant nylon or listed equivalent•

 

AWM

 

Conductors shall be UL-listed Type THHN or THWN-2* or MTW or AWM, suitable for

 

operation at 600 volts at conductor temperatures not to exceed 105°C.

 

 

 

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