THHN THWN-2 Solid and Stranded

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THHN, known as Thermoplastic High Heat Resistant Nylon, and THWN-2, known as Thermoplastic Heat and Water Resistant, are considered general purpose wires in accordance with the NEC. Both can be installed in conduit, duct, and other fixed raceways where it is wet or dry. Use the filters on the left to sort by size and conductor count. All are made in the USA and available by the foot or in bulk.

For questions about THHN THWN-2 wire you can call us at 888-681-1768.

  • SKU: 108435

    2 AWG Stranded THHN THWN-2 Green

    General purpose UL 83 building wire. Comprised of a single 2 gauge stranded bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V Green.
    $2.50/ft
    Call for Same Day Shipping
  • SKU: 111963

    350 MCM Stranded THHN/THWN-2 Black

    General purpose UL 83 building wire. Comprised of a single 350 gauge stranded bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V Black.
    $11.23/ft
    Call for Same Day Shipping
  • SKU: 113036

    4 AWG Stranded THHN THWN-2 Red

    General purpose UL 83 building wire. Comprised of a single 4 gauge stranded bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V Red.
  • SKU: 111828

    1 AWG Stranded THHN/THWN-2 Green

    General purpose UL 83 building wire. Comprised of a single 1 gauge stranded bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V Green.
    $3.21/ft
    Call for Same Day Shipping
  • SKU: 108437

    6 AWG Stranded THHN THWN-2 Black

    General purpose UL 83 building wire. Comprised of a single 6 gauge stranded bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V Black.
    $0.00/ft
    Call 888-681-1768 for Price and Lead Time
  • SKU: 113034

    4 AWG Stranded THHN THWN-2 White

    General purpose UL 83 building wire. Comprised of a single 4 gauge stranded bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V White.
  • SKU: 108548

    4/0 AWG Stranded THHN THWN-2 Green

    General purpose UL 83 building wire. Comprised of a single 4/0 gauge stranded bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V Green.
    $7.03/ft
    Call for Same Day Shipping
  • SKU: 108442

    1/0 AWG Stranded THHN THWN-2 Green

    General purpose UL 83 building wire. Comprised of a single 1/0 gauge stranded bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V Green.
    $3.94/ft
    Call for Same Day Shipping
  • SKU: M503ST-01

    3 AWG Stranded THHN THWN-2 Black

    General purpose UL 83 building wire. Comprised of a single 3 gauge stranded bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V Black.
    $2.00/ft
    Call 888-681-1768 for Price and Lead Time
  • SKU: 111844

    10 AWG Solid THHN THWN-2 Blue

    General purpose UL 83 building wire. Comprised of a single 10 gauge solid bare copper conductor with thermoplastic high heat resistant PVC insulation with a nylon jacket. Wet or dry locations. 90°C 600V Blue.
    $0.38/ft
    Call for Same Day Shipping

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