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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.

  • i82-14 - 2 Hole Lug i82-14 - 2 Hole Lug
    i82-14 - 2 Hole Lug
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    i82-14 - 2 Hole Lug

    $3.00
    $3.00
  • i1410-14 - 2 Hole Lug i1410-14 - 2 Hole Lug
    i1410-14 - 2 Hole Lug
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    i1410-14 - 2 Hole Lug

    $2.50
    $2.50
  • LC Duplex Fiber Adapter Coupler
    LC Duplex Fiber Adapter Coupler
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    LC Duplex Fiber Adapter Coupler

    $5.50
    $5.50
  • One Click LC Fiber Cleaner
    One Click LC Fiber Cleaner
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    One Click LC Fiber Cleaner

    $40.00
    $40.00
  • 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
  • 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
  • Fiber Connector Tool (FCT-100)
    Fiber Connector Tool (FCT-100)
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    Fiber Connector Tool (FCT-100)

    $55.00
    $55.00
  • Hose Clamp 2-4" (Pack of 10) Hose Clamp 2-4" (Pack of 10)
    Hose Clamp 2-4" (Pack of 10)
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    Hose Clamp 2-4" (Pack of 10)

    $10.00
    $10.00
  • 4"x1/4"x10' Rubber Roll 4"x1/4"x10' Rubber Roll
    4"x1/4"x10' Rubber Roll
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    4"x1/4"x10' Rubber Roll

    $60.00
    $60.00
  • 12" Hurricane Strap / Hold Down Clamp 12" Hurricane Strap / Hold Down Clamp
    12" Hurricane Strap / Hold Down Clamp
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    12" Hurricane Strap / Hold Down Clamp

    $25.00
    $25.00
  • 3/4" Black Velcro Hook & Loop Strips (Roll of 50) 3/4" Black Velcro Hook & Loop Strips (Roll of 50)
    3/4" Black Velcro Hook & Loop Strips (Roll of 50)
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    3/4" Black Velcro Hook & Loop Strips (Roll of 50)

    $18.00
    $18.00
  • 15" Black Cable Ties (Pack of 100) 15" Black Cable Ties (Pack of 100)
    15" Black Cable Ties (Pack of 100)
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    15" Black Cable Ties (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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    1/2" Galvanized Lock Washer (Pack of 100)

    $15.00
    $15.00
  • 1/2" Galvanized Flat Washer (Pack of 100)
    1/2" Galvanized Flat Washer (Pack of 100)
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    1/2" Galvanized Flat Washer (Pack of 100)

    $15.00
    $15.00
  • 1/2" - 13 Galvanized Hex Nut (Pack of 100)
    1/2" - 13 Galvanized Hex Nut (Pack of 100)
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    Sold out
    1/2" - 13 Galvanized Hex Nut (Pack of 100)

    $30.00
    $30.00
  • Ericsson RDH 102 75/2 SFP28 25G fiber optic transceiver for high-speed telecom and 5G applications. Ericsson RDH 102 75/2 SFP28 25G fiber optic transceiver for high-speed telecom and 5G applications.
    Ericsson RDH 102 75/2 SFP Fiber Optical Transceiver
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    Ericsson RDH 102 75/2 SFP Fiber Optical Transceiver

    $100.00
    $100.00
  • Clear Silicone Sealant
    Clear Silicone Sealant
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    Clear Silicone Sealant

    $13.95
    $13.95
  • Multi-hole Barrel Cushion 1-5/8" (Pack of 10) Multi-hole Barrel Cushion 1-5/8" (Pack of 10)
    Multi-hole Barrel Cushion 1-5/8" (Pack of 10)
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    Multi-hole Barrel Cushion 1-5/8" (Pack of 10)

    $37.00
    $37.00
  • 4.3.1 or Power Connector Cold Shrink 4.3.1 or Power Connector Cold Shrink
    4.3.1 or Power Connector Cold Shrink
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    4.3.1 or Power Connector Cold Shrink

    $13.00
    $13.00
  • JMA WPS-N-4A Hardline Seal
    JMA WPS-N-4A Hardline Seal
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    JMA WPS-N-4A Hardline Seal

    $15.00
    $15.00
  • JMA UXP-4MT-12 4.3-10 Male Connector for 1/2" Annular Cable for sale from SkyHigh-Supply in Hillsborough, NJ
    JMA UXP-4MT-12 4.3-10 Male Connector for 1/2" Annular Cable
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    JMA UXP-4MT-12 4.3-10 Male Connector for 1/2" Annular Cable

    $35.00
    $35.00
  • JMA WPS-4F
    JMA WPS-4F
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    JMA WPS-4F

    $4.00
    $4.00
  • JMA WPS-N-4S Hardline Seal
    JMA WPS-N-4S Hardline Seal
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     Add To Cart
    JMA WPS-N-4S Hardline Seal

    $15.00
    $15.00
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