Wire

THHN, TelcoFlex & Grounding Wire – Sold Per Foot & Spools

From quick per-foot pulls to full spools, Sky High stocks contractor-grade wire for telecom, low-voltage, and electrical pros. Choose stranded THHN (Black/Red/Green), TelcoFlex® L4 (#6 and #2 Gray for power/battery plants), and #2 Solid Tinned Copper for bonding and grounding.

Fast Picks

Why Buy Here

  • Buy exactly what you need: per-foot or factory spools
  • Free regional delivery (NJ/NY/PA) on qualifying orders
  • Preferred B2B pricing for trade accounts

THHN Building Wire

Stranded copper THHN with tough nylon jacket for pulls in conduit and panels. Popular colors Black/Red for hots and Green for equipment ground. Available from #12 up to 1/0.

TelcoFlex® L4 (Telecom Power)

Flexible, abrasion-resistant telecom power cable used for battery plants, DC power runs, and equipment feeds. Stocked in #6 and #2 Gray with per-foot and spool options.

Tinned Copper Grounding

#2 solid tinned copper for corrosion-resistant bonding and grounding—available per-foot or 250' spools.

Common Accessories

  • Two-hole lugs (#6–1/0), heat-shrink, weatherproofing tape
  • Cable tray bonding jumpers & hardware
  • Unistrut and cable management
Code reminder: Always size conductors per the latest NEC and project specs. Ampacity varies by installation conditions (ambient temp, conduit fill, etc.).

19 products

  • #2 Solid Tinned Copper (Per Foot) by Sky High Supply Company
    #2 Solid Tinned Copper (Per Foot) by Sky High Supply Company
    Sky High Supply Company

    #2 Solid Tinned Copper Wire (Sold Per Foot) — Compatible with Burndy C-Tap YC2C2

    $5.00
    $5.00

    Heavy-duty #2 solid tinned copper sold by the foot for clean, corrosion-resistant bonds and jumpers. Commonly used with Burndy C-Tap YC2C2 for reliable compression connections in...
  • #2 Solid Tinned Copper (250 Foot Spool)#2 Solid Tinned Copper (250 Foot Spool)
    #2 Solid Tinned Copper (250 Foot Spool)#2 Solid Tinned Copper (250 Foot Spool)
    Sky High Supply Company

    #2 Solid Tinned Copper (250 Foot Spool)

    $1,250.00
    $1,250.00

    #2 Solid Tinned Copper Wire – 250 ft Spool or Solid Tinned Copper Wire By The Foot   Key Features: Conductor Size: #2 AWG Conductor Material:...
  • #2 Green Stranded THHN Wire (Per Foot)
    Sold out
    Sky High Supply Company

    #2 Green Stranded THHN Wire (Per Foot)

    $4.25
    $4.25

    #2 Green Stranded THHN Wire Sold By Foot Jacket Color: Green Stranding: 19 Gauge: 2 Manufacture: Southwire CSA/UL Listed

  • #6 Green Stranded THHN Wire (Per Foot)
    Sky High Supply Company

    #6 Green Stranded THHN Wire (Per Foot)

    $2.00
    $2.00

    #6 Green Stranded THHN Wire Sold Per Foot Jacket Color: Green Jacket Material: Nylon Stranding: 19 Gauge: 6AWG Manufacture: Southwire CSA/UL Listed

  • #6 Green Stranded THHN Wire (500' Spool)
    Sky High Supply Company

    #6 Green Stranded THHN Wire (500' Spool)

    $1,000.00
    $1,000.00

    #6 Green Stranded THHN Wire Sold in 500' Spools Jacket Color: Green Jacket Material: Nylon Stranding: 19 Gauge: 6AWG Manufacture: Southwire CSA/UL Listed

  • #6 Black Stranded THHN Wire (Per Foot)
    Sky High Supply Company

    #6 Black Stranded THHN Wire (Per Foot)

    $2.00
    $2.00

    #6 Black Stranded THHN Wire Sold Per Foot Jacket Color: Black Jacket Material: Nylon Stranding: 19 Gauge: 6AWG Manufacture: Southwire CSA/UL Listed

  • #6 Black Stranded THHN Wire (500' Spool)
    Sky High Supply Company

    #6 Black Stranded THHN Wire (500' Spool)

    $1,000.00
    $1,000.00

    #6 Black Stranded THHN Wire Sold in 500' Spools Jacket Color: Black Jacket Material: Nylon Stranding: 19 Gauge: 6AWG Manufacture: Southwire CSA/UL Listed

  • #6 Red Stranded THHN Wire (Per Foot)
    Sky High Supply Company

    #6 Red Stranded THHN Wire (Per Foot)

    $2.00
    $2.00

    #6 Red Stranded THHN Wire Sold Per Foot Jacket Color: Red Jacket Material: Nylon Stranding: 19 Gauge: 6AWG Manufacture: Southwire CSA/UL Listed

  • #6 Red Stranded THHN Wire (500' Spool)
    Sky High Supply Company

    #6 Red Stranded THHN Wire (500' Spool)

    $1,000.00
    $1,000.00

    #6 Red Stranded THHN Wire Sold in 500' Spools Jacket Color: Red Jacket Material: Nylon Stranding: 19 Gauge: 6AWG Manufacture: Southwire CSA/UL Listed

  • #8 Green Stranded THHN Wire (Per Foot)
    Sky High Supply Company

    #8 Green Stranded THHN Wire (Per Foot)

    $1.85
    $1.85

    #8 Green Stranded THHN Wire Sold Per Foot Maximum Spool 500' Jacket Color: Green Jacket Material: Nylon Stranding: 19 Gauge: 8AWG CSA/UL Listed

  • #10 Black Stranded THHN Wire (Per Foot) by Sky High Supply Company
    #10 Black Stranded THHN Wire (Per Foot) by Sky High Supply Company
    Sky High Supply Company

    #10 Black Stranded THHN Wire (Per Foot)

    $0.75
    $0.75

    #10 Black Stranded THHN Wire is designed for reliable electrical performance in both commercial and industrial applications. Its 19-strand copper conductor provides flexibility for easy routing...
  • #12 Green Stranded THHN Wire (Per Foot)
    Sky High Supply Company

    #12 Green Stranded THHN Wire (Per Foot)

    $0.50
    $0.50

    #12 Green Stranded THHN Wire Sold By Foot Maximum Length 500' Spool Jacket Color: Green Stranding: 19 Gauge: 12 CSA/UL Listed

  • #10 Black Stranded THHN Wire (Per Foot) by Sky High Supply Company
    #10 Black Stranded THHN Wire (Per Foot) by Sky High Supply Company
    Sky High Supply Company

    #12 Black Stranded THHN Wire (Per Foot)

    $0.50
    $0.50

    #12 Black Stranded THHN Wire Sold By Foot Maximum Length 500' Spool Jacket Color: Black Stranding: 19 Gauge: 12 CSA/UL Listed

  • #10 Red Stranded THHN Wire (Per Foot) by Sky High Supply Company
    #10 Red Stranded THHN Wire (Per Foot) by Sky High Supply Company
    Sky High Supply Company

    #12 Red Stranded THHN Wire (Per Foot)

    $0.50
    $0.50

    #12 Red Stranded THHN Wire Sold By Foot Maximum Length 500' Spool Jacket Color: Red Stranding: 19 Gauge: 12 CSA/UL Listed

  • #10 Red Stranded THHN Wire (Per Foot) by Sky High Supply Company
    #10 Red Stranded THHN Wire (Per Foot) by Sky High Supply Company
    Sky High Supply Company

    #10 Red Stranded THHN Wire (Per Foot)

    $0.75
    $0.75

    #10 Red Stranded THHN Wire Sold By Foot Maximum Length 500' Spool Jacket Color: Red Stranding: 19 Gauge: 10 CSA/UL Listed

  • 12-inch #6 green wire cable tray bonding jumper with blue two-hole lug, 1/4-inch holes and 5/8-inch spacing for secure electrical grounding.Cable Tray Bonding Jumper – 12" #6 Green Wire, Blue Two-Hole Lug, 1/4" Holes with 5/8" Spacing
    12-inch #6 green wire cable tray bonding jumper with blue two-hole lug, 1/4-inch holes and 5/8-inch spacing for secure electrical grounding.Cable Tray Bonding Jumper – 12" #6 Green Wire, Blue Two-Hole Lug, 1/4" Holes with 5/8" Spacing
    Sky High Supply Company

    Cable Tray Bonding Jumper – 12" #6 Green Wire, Blue Two-Hole Lug, 1/4" Holes with 5/8" Spacing

    $20.00
    $20.00

    Ensure reliable grounding for your cable tray system with our high-quality Cable Tray Bonding Jumper. Designed for safety and performance, this 12-inch jumper features durable #6...
  • 1/0 Black THHN Wire (Sold Per Foot)
    Sold out
    Sky High Supply Company

    1/0 Black THHN Wire (Sold Per Foot)

    $4.75
    $4.75

    1/0 Black Stranded THHN Wire Sold By Foot Jacket Color: Black Stranding: 19 Gauge: 1/0 Manufacture: Southwire CSA/UL Listed

  • Buy #6 Gray TelcoFlex L4 by the foot #6 Gray TelcoFlex L4 (Per Foot)
    Buy #6 Gray TelcoFlex L4 by the foot #6 Gray TelcoFlex L4 (Per Foot)
    Sky High Supply Company

    #6 Gray TelcoFlex L4 (Per Foot)

    $2.65
    $2.65

    Southwire TelcoFlex® L4 #6 Gray Telecom Power Cable – Sold Per Foot(For TelcoFlex L4 by the spool, click here.) This high-performance TelcoFlex® L4 cable from Southwire...
  • TelcoFlex® L4: #2 Gray, Stranded Copper, 200' Spool (UL-Listed)
    Sky High Supply Company

    TelcoFlex® L4: #2 Gray, Stranded Copper, 200' Spool (UL-Listed)

    $1,065.00
    $1,065.00

    TelcoFlex® L4 #2 Gray 200' Spool by Southwire delivers the flexibility, durability, and code compliance that telecom, data-center, and power-distribution projects demand. Engineered with a stranded...