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Welcome to Sky High Supply, your trusted source for commercial-grade telecom and electrical supplies. Whether you're managing a large-scale infrastructure build or tackling an urgent job site repair, we’ve got the inventory and speed Northeast contractors rely on.

Based in New Jersey and serving New York, Pennsylvania, Connecticut, and beyond, we carry top-tier products from the brands you trust—JMA, Southwire, ConcealFab, and more.

Browse our best-selling categories:

  •  Fiber Jumpers & PIM Solutions

  • THHN & Copper Wire

  • Conduit, Unistrut, and Mounting Hardware

  • Lugs, Barrel Cushions, Tapes, and Accessories

  • Safety Labels & Reflective Markers

Need help finding a product? Our knowledgeable team is here to support electrical contractors, telecom techs, and infrastructure pros every step of the way.

  • 3/4" EMT Conduit Clamp UL
    3/4" EMT Conduit Clamp UL
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    3/4" EMT Conduit Clamp UL

    $2.50
    $2.50
  • 2" Conduit Hanger/Cowboy UL 2" Conduit Hanger/Cowboy UL
    2" Conduit Hanger/Cowboy UL
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    2" Conduit Hanger/Cowboy UL

    $2.25
    $2.25
  • 3/4" Conduit Hanger/Cowboy UL 3/4" Conduit Hanger/Cowboy UL
    3/4" Conduit Hanger/Cowboy UL
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    3/4" Conduit Hanger/Cowboy UL

    $1.00
    $1.00
  • 3/4" Greenfield 90* Squeeze Connector UL
    3/4" Greenfield 90* Squeeze Connector UL
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    3/4" Greenfield 90* Squeeze Connector UL

    $3.00
    $3.00
  • 3/4" Greenfield Straight Squeeze Connector UL
    3/4" Greenfield Straight Squeeze Connector UL
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    3/4" Greenfield Straight Squeeze Connector UL

    $1.75
    $1.75
  • 3/4" Greenfield Flexible Conduit UL (100' Coil)
    3/4" Greenfield Flexible Conduit UL (100' Coil)
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    3/4" Greenfield Flexible Conduit UL (100' Coil)

    $135.00
    $135.00
  • Universal Barrel Cushion 1-1/4" (Pack of 10) Universal Barrel Cushion 1-1/4" (Pack of 10)
    Universal Barrel Cushion 1-1/4" (Pack of 10)
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    Universal Barrel Cushion 1-1/4" (Pack of 10)

    $34.00
    $34.00
  • TelcoFlex® L4: #2 Gray, Stranded Copper, 200' Spool (UL-Listed)
    TelcoFlex® L4: #2 Gray, Stranded Copper, 200' Spool (UL-Listed)
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    TelcoFlex® L4: #2 Gray, Stranded Copper, 200' Spool (UL-Listed)

    $1,065.00
    $1,065.00
  • Hose Clamp 1-2" (Pack of 10) Hose Clamp 1-2" (Pack of 10)
    Hose Clamp 1-2" (Pack of 10)
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    Hose Clamp 1-2" (Pack of 10)

    $8.00
    $8.00
  • 1-1/2" Electro Plated Strut Strap
    1-1/2" Electro Plated Strut Strap
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    1-1/2" Electro Plated Strut Strap

    $5.50
    $5.50
  • 1-1/4" Electro Plated Strut Strap
    1-1/4" Electro Plated Strut Strap
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    1-1/4" Electro Plated Strut Strap

    $5.00
    $5.00
  • 7/8" x 1-5/8" Com Strut Alternating 7/16" x 1-1/4" slots and 3/4" Round Holes HDG Finish
    7/8" x 1-5/8" Com Strut Alternating 7/16" x 1-1/4" slots and 3/4" Round Holes HDG Finish
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    7/8" x 1-5/8" Com Strut Alternating 7/16" x 1-1/4" slots and 3/4" Round Holes HDG Finish

    $52.00
    $52.00
  • #6 Gray TelcoFlex L4 (Per Foot) #6 Gray TelcoFlex L4 (Per Foot)
    #6 Gray TelcoFlex L4 (Per Foot)
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    Telcoflex L4
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    #6 Gray TelcoFlex L4 (Per Foot)

    $2.90
    $2.90
  • #6 Red Stranded THHN Wire (Per Foot)
    #6 Red Stranded THHN Wire (Per Foot)
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    #6 Red Stranded THHN Wire (Per Foot)

    $2.00
    $2.00
  • #6 Green Stranded THHN Wire (Per Foot)
    #6 Green Stranded THHN Wire (Per Foot)
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    #6 Green Stranded THHN Wire (Per Foot)

    $2.00
    $2.00
  • #6 Black Stranded THHN Wire (Per Foot)
    #6 Black Stranded THHN Wire (Per Foot)
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    #6 Black Stranded THHN Wire (Per Foot)

    $2.00
    $2.00
  • 30' Outdoor Rated Cat6 Patch Cord
    30' Outdoor Rated Cat6 Patch Cord
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    30' Outdoor Rated Cat6 Patch Cord

    $30.00
    $30.00
  • Outdoor-Rated Cat6 Patch Cord
    10-Foot Cat6 Outdoor Patch Cord: UV & Weather-Resistant Ethernet Cable
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    10-Foot Cat6 Outdoor Patch Cord: UV & Weather-Resistant Ethernet Cable

    $20.00
    $20.00
  • 2 7/8" x 5" U-Bolt w/ Hardware 2 7/8" x 5" U-Bolt w/ Hardware
    2 7/8" x 5" U-Bolt w/ Hardware
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    2 7/8" x 5" U-Bolt w/ Hardware

    $4.50
    $4.50
  • 3 5/8" x 6 1/4" U-Bolt w/ Hardware
    3 5/8" x 6 1/4" U-Bolt w/ Hardware
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    3 5/8" x 6 1/4" U-Bolt w/ Hardware

    $5.00
    $5.00
  • Universal Ground Kit (1/2") by Sky High Supply Company
    Universal Ground Kit (1 1/4")
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    Universal Ground Kit (1 1/4")

    $26.00
    $26.00
  • Monopole Coax/Hybrid Hanger (WMWH6)
    Monopole Coax/Hybrid Hanger (WMWH6)
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    Monopole Coax/Hybrid Hanger (WMWH6)

    $12.00
    $12.00
  • 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
    Cable Tray Bonding Jumper – 12" #6 Green Wire, Blue Two-Hole Lug, 1/4" Holes with 5/8" Spacing
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    Cable Tray Bonding Jumper – 12" #6 Green Wire, Blue Two-Hole Lug, 1/4" Holes with 5/8" Spacing

    $18.00
    $18.00
  • #10 Red Stranded THHN Wire (Per Foot) by Sky High Supply Company
    #12 Red Stranded THHN Wire (Per Foot)
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    #12 Red Stranded THHN Wire (Per Foot)

    $1.00
    $1.00
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