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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.

  • 4 Ft Clear Heat Shrink 1/4" 2:1 Ratio
    4 Ft Clear Heat Shrink 1/4" 2:1 Ratio
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    4 Ft Clear Heat Shrink 1/4" 2:1 Ratio

    $4.00
    $4.00
  • 62-14R 90* Lug
    62-14R 90* Lug
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    62-14R 90* Lug

    $4.00
    $4.00
  • 22-14 No Window Lug
    22-14 No Window Lug
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    22-14 No Window Lug

    $3.50
    $3.50
  • 3/8" Hardware Kit (Pack of 10)
    3/8" Hardware Kit (Pack of 10)
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    3/8" Hardware Kit (Pack of 10)

    $17.00
    $17.00
  • Weatherproof Kit for Connector/Splice
    Weatherproof Kit for Connector / Splice – Complete Outdoor Sealing Kit
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    Weatherproof Kit for Connector / Splice – Complete Outdoor Sealing Kit

    $23.00
    $23.00
  • 3/8" Insert Kit w/Bolts & Lock Washers
    3/8" Insert Kit w/Bolts & Lock Washers
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    3/8" Insert Kit w/Bolts & Lock Washers

    $8.00
    $8.00
  • PIM Shield Universal Base, Angle Adapter 3/8" 900940-10
    PIM Shield Universal Base, Angle Adapter 3/8" 900940-10
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    PIM Shield Universal Base, Angle Adapter 3/8" 900940-10

    $70.00
    $70.00
  • i22-14R Right Angle Lug by Sky High Supply Company 22-14R Right Angle Lug
    22-14R Right Angle Lug
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    22-14R Right Angle Lug

    $6.00
    $6.00
  • 62-14 No Window Lug 62-14 No Window Lug
    62-14 No Window Lug
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     Add To Cart
    62-14 No Window Lug

    $3.00
    $3.00
  • #4/0 2-Hole Long Barrel Copper Compression Lug with 3/8-inch Holes and Inspection Window – Purple Lug for Telecom and Electrical Use
    #4/0 2-Hole Purple Lug – 3/8" Holes, 1" Spacing – Long Barrel Copper Compression (IzzyLugs)
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    #4/0 2-Hole Purple Lug – 3/8" Holes, 1" Spacing – Long Barrel Copper Compression (IzzyLugs)

    $14.00
    $14.00
  • #6 Gray TelcoFlex L4 (Spool of 250 Feet) #6 Gray TelcoFlex L4 (Spool of 250 Feet)
    #6 Gray TelcoFlex L4 (Spool of 250 Feet)
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    Sold out
    #6 Gray TelcoFlex L4 (Spool of 250 Feet)

    $775.00
    $775.00
  • Strut Angle Corner Bracket 4-Hole Strut Angle Corner Bracket 4-Hole
    Strut Angle Corner Bracket 4-Hole
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    Strut Angle Corner Bracket 4-Hole

    $5.50
    $5.50
  • Stand-off Adapter 3/8" (Pack of 10)
    Stand-off Adapter 3/8" (Pack of 10)
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    Stand-off Adapter 3/8" (Pack of 10)

    $30.00
    $30.00
  • #2 Solid Tinned Copper (250 Foot Spool) #2 Solid Tinned Copper (250 Foot Spool)
    #2 Solid Tinned Copper (250 Foot Spool)
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    copperspooled wirewire
    #2 Solid Tinned Copper (250 Foot Spool)

    $1,250.00
    $1,250.00
  • Burndy C-Tap #2-#2 YC2C2
    Burndy C-Tap #2-#2 YC2C2
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    Burndy C-Tap #2-#2 YC2C2

    $5.00
    $5.00
  • 62-38U - 2 Hole Lug No Window 62-38U - 2 Hole Lug No Window
    62-38U - 2 Hole Lug No Window
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    62-38U - 2 Hole Lug No Window

    $3.00
    $3.00
  • Entry Panel 4" Cap
    Entry Panel 4" Cap
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    Entry Panel 4" Cap

    $5.00
    $5.00
  • Crossover Plate Kits 2-3/8'' - 2-3/8''
    Crossover Plate Kits 2-3/8'' - 2-3/8''
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    Crossover Plate Kits 2-3/8'' - 2-3/8''

    $44.00
    $44.00
  • Crossover Plate Kits 2-3/8'' - 3-1/2''
    Crossover Plate Kits 2-3/8'' - 3-1/2''
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    Sold out
    Crossover Plate Kits 2-3/8'' - 3-1/2''

    $52.00
    $52.00
  • Crossover Plate Kits 2-3/8'' - 4-1/2''
    Crossover Plate Kits 2-3/8'' - 4-1/2''
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    Crossover Plate Kits 2-3/8'' - 4-1/2''

    $55.00
    $55.00
  • Izzy Lug Crimper RCT2007 6 in 1
    Izzy Lug Crimper RCT2007 6 in 1
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    Izzy Lug Crimper RCT2007 6 in 1

    $240.00
    $240.00
  • 1 5/8" Boot Insert/Donut
    1 5/8" Boot Insert/Donut
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    1 5/8" Boot Insert/Donut

    $5.50
    $5.50
  • 1 1/4" Boot Insert/Donut
    1 1/4" Boot Insert/Donut
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    1 1/4" Boot Insert/Donut

    $5.50
    $5.50
  • 4" Microflex Panel Boot without Insert
    4" Microflex Panel Boot without Insert
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     Add To Cart
    4" Microflex Panel Boot without Insert

    $14.00
    $14.00
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