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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.

  • i2S2-38U - 2 Hole Lug i2S2-38U - 2 Hole Lug
    i2S2-38U - 2 Hole Lug
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    i2S2-38U - 2 Hole Lug

    $3.50
    $3.50
  • i2S2-38-1 Izzy Lug long barrel copper compression lug with two 3/8-inch holes, inspection window, UL Listed, CSA Certified
    i2S2-38-1 Izzy Lug – 2 Solid & 4 Stranded Copper Compression Lug, 2-Hole, 3/8"
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    i2S2-38-1 Izzy Lug – 2 Solid & 4 Stranded Copper Compression Lug, 2-Hole, 3/8"

    $3.50
    $3.50
  • 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
  • Bus Bar Hardware Kit
    Bus Bar Hardware Kit
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    Bus Bar Hardware Kit

    $50.00
    $50.00
  • 1/4" x 4" x 6" Galvanized Universal Bus Bar
    1/4" x 4" x 6" Galvanized Universal Bus Bar
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    1/4" x 4" x 6" Galvanized Universal Bus Bar

    $45.00
    $45.00
  • 1/4" x 4" x 12" Galvanized Universal Bus Bar
    1/4" x 4" x 12" Galvanized Universal Bus Bar
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    1/4" x 4" x 12" Galvanized Universal Bus Bar

    $55.00
    $55.00
  • 1/4" x 4" x 24" Galvanized Universal Bus Bar
    1/4" x 4" x 24" Galvanized Universal Bus Bar
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    1/4" x 4" x 24" Galvanized Universal Bus Bar

    $90.00
    $90.00
  • 1/4"-20 Stainless Steel Hex Nut (Pack of 100)
    1/4"-20 Stainless Steel Hex Nut (Pack of 100)
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    1/4"-20 Stainless Steel Hex Nut (Pack of 100)

    $10.00
    $10.00
  • 1/4" Stainless Steel Lock Washer (Pack of 100)
    1/4" Stainless Steel Lock Washer (Pack of 100)
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    1/4" Stainless Steel Lock Washer (Pack of 100)

    $5.00
    $5.00
  • 1/4" Stainless Steel Flat Washer (Pack of 100)
    1/4" Stainless Steel Flat Washer (Pack of 100)
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    1/4" Stainless Steel Flat Washer (Pack of 100)

    $6.00
    $6.00
  • 3/8"-16 Stainless Steel Finished Hex Nut (Pack of 100)
    3/8"-16 Stainless Steel Finished Hex Nut (Pack of 100)
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    3/8"-16 Stainless Steel Finished Hex Nut (Pack of 100)

    $30.00
    $30.00
  • 3/8" Stainless Steel Flat Washer (Pack of 100)
    3/8" Stainless Steel Flat Washer (Pack of 100)
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    3/8" Stainless Steel Flat Washer (Pack of 100)

    $15.00
    $15.00
  • 3/8" Stainless Steel Lock Washer (Pack of 100)
    3/8" Stainless Steel Lock Washer (Pack of 100)
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    3/8" Stainless Steel Lock Washer (Pack of 100)

    $20.00
    $20.00
  • 3/8"-16 x 1-1/4" Stainless Steel Hex Cap Bolt (Pack of 100)
    3/8"-16 x 1-1/4" Stainless Steel Hex Cap Bolt (Pack of 100)
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    3/8"-16 x 1-1/4" Stainless Steel Hex Cap Bolt (Pack of 100)

    $75.00
    $75.00
  • 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
  • 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

    $10.00
    $10.00
  • 3/8"-16 Spring Nut
    3/8"-16 Spring Nut
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    3/8"-16 Spring Nut

    $1.60
    $1.60
  • 1/2" - 13 Galvanized Hex Nut (Pack of 100)
    1/2" - 13 Galvanized Hex Nut (Pack of 100)
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     Add To Cart
    Sold out
    1/2" - 13 Galvanized Hex Nut (Pack of 100)

    $30.00
    $30.00
  • 1/2" Galvanized Flat Washer (Pack of 100)
    1/2" Galvanized Flat Washer (Pack of 100)
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     Add To Cart
    1/2" Galvanized Flat Washer (Pack of 100)

    $15.00
    $15.00
  • 1/2" Galvanized Lock Washer (Pack of 100)
    1/2" Galvanized Lock Washer (Pack of 100)
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     Add To Cart
    1/2" Galvanized Lock Washer (Pack of 100)

    $15.00
    $15.00
  • #2 Solid Tinned Copper (Per Foot) by Sky High Supply Company
    #2 Solid Tinned Copper (Per Foot)
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    copperwire
    #2 Solid Tinned Copper (Per Foot)

    $5.00
    $5.00
  • #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
  • #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)

    $0.50
    $0.50
  • #10 Black Stranded THHN Wire (Per Foot) by Sky High Supply Company
    #12 Black Stranded THHN Wire (Per Foot)
    Quick buy
     Add To Cart
    #12 Black Stranded THHN Wire (Per Foot)

    $0.50
    $0.50
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