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Building Wire

Building Wire

Lapp Tannehill carries a wide selection of building wire for use in industrial, commercial, and residential building construction.

Don’t see the product you are looking for? Lapp Tannehill offers a wide variety of products, some of which may not be online. Contact us or chat with us and we'll help you find exactly what you need.

THHN, MTW, & more

Items 1-10 of 244

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  1. 300MCM 37STR BC THHN BLACK JACKET
    300MCM 37STR BC THHN BLACK JACKET

    Part #: KLTTHHN300-37-0
    Manufacturer: Approved Manufacturers

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 37

    CONDUCTOR MATERIAL: Bare copper

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.766

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

    STANDARDS/APPROVALS: UL Approved, ASTM B3, ASTM B8, ASTM B787

    Learn More
    $26,786.00 / 1,000 FT

    In Stock


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  2. THHN Building Wire - 4/0 AWG - Black
    THHN Building Wire - 4/0 AWG - Black - Stranded Conductor

    Part #: KLTTHHN-4/0-19-0
    Manufacturer: Approved Manufacturers

    TYPE: THHN

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 19

    CONDUCTOR MATERIAL: Annealed copper

    SHIELDING: Unshielded

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.624

    NOMINAL OD (MM): 15.8496

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

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    $12,000.00 / 1,000 FT

    In Stock


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  3. THHN Building Wire - 2 AWG - Black
    THHN Building Wire - 2 AWG - Black - Stranded Conductor

    Part #: KLTTHHN2-19-0
    Manufacturer: Approved Manufacturers

    TYPE: THHN

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 19

    CONDUCTOR MATERIAL: Annealed copper

    SHIELDING: Unshielded

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.378

    NOMINAL OD (MM): 9.6012

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

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    $5,600.00 / 1,000 FT

    In Stock


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  4. THHN Building Wire - 6 AWG - Black
    THHN Building Wire - 6 AWG - Black - Stranded Conductor

    Part #: KLTTHHN6-19-0
    Manufacturer: Approved Manufacturers

    TYPE: THHN

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 19

    CONDUCTOR MATERIAL: Annealed copper

    SHIELDING: Unshielded

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.249

    NOMINAL OD (MM): 6.3246

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

    Learn More
    $2,539.44 / 1,000 FT

    In Stock


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  5. THHN Building Wire - 8 AWG - Black
    THHN Building Wire - 8 AWG - Black - Stranded Conductor

    Part #: KLTTHHN8-19-0
    Manufacturer: Approved Manufacturers

    TYPE: THHN

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 19

    CONDUCTOR MATERIAL: Annealed copper

    SHIELDING: Unshielded

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.213

    NOMINAL OD (MM): 5.4102

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

    Learn More
    $2,066.28 / 1,000 FT

    In Stock


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  6. THHN Building Wire - 8 AWG - White
    THHN Building Wire - 8 AWG - White - Stranded Conductor

    Part #: KLTTHHN8-19-9
    Manufacturer: Approved Manufacturers

    TYPE: THHN

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 19

    CONDUCTOR MATERIAL: Annealed copper

    SHIELDING: Unshielded

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.213

    NOMINAL OD (MM): 5.4102

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

    Learn More
    $1,650.56 / 1,000 FT

    In Stock


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  7. THHN Building Wire - 10 AWG - Black
    THHN Building Wire - 10 AWG - Black - Stranded Conductor

    Part #: KLTTHHN10-19-0
    Manufacturer: Approved Manufacturers

    TYPE: THHN

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 19

    CONDUCTOR MATERIAL: Annealed copper

    SHIELDING: Unshielded

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.161

    NOMINAL OD (MM): 4.0894

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

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    $846.32 / 1,000 FT

    In Stock


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  8. THHN Building Wire - 12 AWG - Green
    THHN Building Wire - 12 AWG - Green - Stranded Conductor

    Part #: KLTTHHN12-19-5
    Manufacturer: Approved Manufacturers

    TYPE: THHN

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 19

    CONDUCTOR MATERIAL: Annealed copper

    SHIELDING: Unshielded

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.128

    NOMINAL OD (MM): 3.2512

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

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    $696.00 / 1,000 FT

    In Stock


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  9. THHN Building Wire - 14 AWG - Brown
    THHN Building Wire - 14 AWG - Brown - Stranded Conductor

    Part #: KLTTHHN14-19-1
    Manufacturer: Approved Manufacturers

    TYPE: THHN

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 19

    CONDUCTOR MATERIAL: Annealed copper

    SHIELDING: Unshielded

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.109

    NOMINAL OD (MM): 2.7686

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

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    $660.00 / 1,000 FT

    In Stock


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  10. THHN Building Wire - 12 AWG - Blue
    THHN Building Wire - 12 AWG - Blue - Stranded Conductor

    Part #: KLTTHHN12-19-6
    Manufacturer: Approved Manufacturers

    TYPE: THHN

    CONDUCTOR STRANDING: Stranded

    STRAND COUNT: 19

    CONDUCTOR MATERIAL: Annealed copper

    SHIELDING: Unshielded

    JACKET MATERIAL: Nylon

    NOMINAL OD (IN): 0.128

    NOMINAL OD (MM): 3.2512

    VOLTAGE: 600V

    UL STYLE / STANDARD: UL 83, UL 1063

    Learn More
    $643.60 / 1,000 FT

    In Stock


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Shopping Options
Manufacturer
  1. Alpha Wire 73 items
  2. Approved Manufacturers 162 items
Shielding
  1. Unshielded 161 items
Jacket Material
  1. Nylon 162 items
Jacket Color
  1. Gray 14 items
  2. Black 43 items
  3. Red 32 items
  4. Orange 15 items
  5. Yellow 15 items
  6. Green 30 items
  7. Green/Yellow 5 items
  8. Blue 18 items
  9. Violet 14 items
  10. Pink 1 item
  11. Brown 15 items
  12. White 33 items
Stock Status
  1. In Stock 30 items
  2. Contact 800-633-6339 for Availability 214 items
UL Style / Standard
  1. UL 83 162 items
  2. UL 1063 162 items
AWG/Gauge
  1. 1 10 items
  2. 2 7 items
  3. 5 10 items
  4. 4 11 items
  5. 6 11 items
  6. 8 11 items
  7. 10 44 items
  8. 12 45 items
  9. 14 46 items
  10. 1/0 10 items
  11. 2/0 10 items
  12. 3/0 10 items
  13. 4/0 1 item
  14. 250 KCMIL 1 item
  15. 300 KCMIL 2 items
  16. 350 KCMIL 1 item
  17. 400 KCMIL 1 item
  18. 500 KCMIL 1 item
  19. 600 KCMIL 1 item
  20. 750 KCMIL 1 item
  21. 1000 KCMIL 1 item
Type
  1. THHN 161 items
Conductor Material
  1. Annealed copper 161 items
  2. Bare copper 74 items
Conductor Stranding
  1. Stranded 168 items
  2. Solid 67 items
Voltage
  1. 600V 235 items
Standards/Approvals
  1. UL Approved 74 items
  2. ASTM B3 1 item
  3. ASTM B8 1 item
  4. ASTM B787 1 item
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