THHN copper 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. Voltage for all applications is 600 volts.
THWN- Wet locations not to exceed 75° C or dry locations not to exceed 90° C or locations not to exceed 75° C when exposed to oil.
Item
Building Wire
Trade Designation
THHN
Voltage
600V AC
Jacket Color
Blue
Insulation Material
PVC
Temp. Rating
194 Degrees F
Jacket Material
Nylon
Wire Color
Blue
Number of Conductors
1
Conductor Design
Stranded
Stranding
19
Wire and Cable Item
Building Wire
Standards
UL,E34382
Stranded / Solid
Stranded
Insulation Material – Wire and Cable
PVC
Jacket Material – Wire and Cable
Nylon
Insulation Material (Wire and Cable)
PVC
Max. Amps
20
Wire Type
THHN
Packaging
Plastic Spool
Wire Type – Wire and Cable
THHN
Application
Wet Locations and Locations Exposed to Oil (Below 75°C), Dry Locations (Below 90°C)
Construction
ConstructionSouthwire® THHN copper conductors are made with soft drawn copper. Combination-unilay stranding. The wire is covered with a tough heat and moisture resistant PVC insulation with an overall nylon jacket. Marked as THWN.
Insulation Thickness (Mils)
15mils
No. of Conductors
1
Applications
ApplicationTHHN copper 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. Voltage for all applications is 600 volts.THWN- Wet locations not to exceed 75° C or dry locations not to exceed 90° C or locations not to exceed 75° C when exposed to oil.
Allowable Ampacity At 90C
20
Allowable Ampacity At 75C
20
Nom. Od (Mils)
132mils
No. of Strands
19
Jacket Thickness (Mils)
5mils
Allowable Ampacity At 60C
20
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