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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.

  • Aluminum 4x6 inch rooftop coax cable tray T-junction by COPE Atkore with splice hardware for NJ/NY installations.
    4"d x 6"w T-Junction Roof-Top Coax Ladder Tray Section
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    4"d x 6"w T-Junction Roof-Top Coax Ladder Tray Section

    $300.00
    $300.00
  • Aluminum 4-inch deep by 6-inch wide 90-degree vertical outside bend coax ladder tray section with included splice plate for rooftop telecom cable systems
    4"d x 6"w 90-Deg Vert Outside Bend Roof-Top Coax Ladder Section
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    4"d x 6"w 90-Deg Vert Outside Bend Roof-Top Coax Ladder Section

    $200.00
    $200.00
  • COPE Atkore 4x6 inch 90-degree vertical inside bend rooftop coax ladder tray with aluminum finish and included splice plate.
    4"d x 6"w 90-Deg Vert Inside Bend Roof-Top Coax Ladder Section
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    4"d x 6"w 90-Deg Vert Inside Bend Roof-Top Coax Ladder Section

    $220.00
    $220.00
  • 6" wide 12' straight coax ladder tray cover (set of 2 x 6ft). Durable weatherproof protection for rooftop telecom & fiber installations. Local delivery in NJ & NY.
    6" Wide 12' Straight Section Coax Ladder Tray Cover 2x6 Ft
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    6" Wide 12' Straight Section Coax Ladder Tray Cover 2x6 Ft

    $98.00
    $98.00
  • 6" Wide 45-Deg Horz Roof-Top Coax Ladder Tray Cover
    6" Wide 45-Deg Horz Roof-Top Coax Ladder Tray Cover
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    6" Wide 45-Deg Horz Roof-Top Coax Ladder Tray Cover

    $48.00
    $48.00
  • 4"d x 6"w 45-Deg Horz Bend Roof-Top Coax Ladder Section
    4"d x 6"w 45-Deg Horz Bend Roof-Top Coax Ladder Section
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    4"d x 6"w 45-Deg Horz Bend Roof-Top Coax Ladder Section

    $100.00
    $100.00
  • 6-inch wide 90-degree horizontal ladder tray cover for rooftop coax cable protection – aluminum construction
    6" Wide 90-Deg Horz Roof-Top Coax Ladder Tray Cover
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    6" Wide 90-Deg Horz Roof-Top Coax Ladder Tray Cover

    $110.00
    $110.00
  • Shop the 4" x 6" 90° horizontal bend rooftop coax ladder tray section by COPE – designed for high-performance telecom and 5G cable tray systems. Available for local delivery in NJ/NY.
    4"d x 6"w 90-Deg x Bend Roof-Top Ladder Tray Section
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    4"d x 6"w 90-Deg x Bend Roof-Top Ladder Tray Section

    $160.00
    $160.00
  • JMA 4.3/10 right angle male to 4.3/10 female coax jumper - 1 meter FSJ1-50 cable for 5G Verizon antenna systems JMA 4.3/10 RA Male to 4.3/10 Female PIM Tested Jumper (1 Meter)
    JMA 4.3/10 RA Male to 4.3/10 Female PIM Tested Jumper (1 Meter)
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    JMA 4.3/10 RA Male to 4.3/10 Female PIM Tested Jumper (1 Meter)

    $75.00
    $75.00
  • Raycap RVZDC-4520-RM-48 | 12-Position Rack Mount OVP with Alarm Board
    Raycap RVZDC-4520-RM-48 | 12-Position Rack Mount OVP w/ Alarm Board
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    Raycap RVZDC-4520-RM-48 | 12-Position Rack Mount OVP w/ Alarm Board

    $2,999.99
    $2,999.99
  • Black 5G CBRS Transmitter Sticker – Weatherproof Reflective, Pack of 5 Black 5G CBRS Transmitter Sticker – Weatherproof Reflective, Pack of 5
    Black Transmitter Sticker (Pack of 5)
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    Black Transmitter Sticker (Pack of 5)

    $50.00
    $50.00
  • i62-38-1 - 2 Hole Lug - professional cable management hardware from Sky High Supply. i62-38-1 - 2 Hole Lug - professional cable management hardware from Sky High Supply.
    i62-38-1 - 2 Hole Izzy Lug
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    i62-38-1 - 2 Hole Izzy Lug

    $3.00
    $3.00
  • Universal Ground Kit (1/2") by Sky High Supply Company
    Universal Ground Kit 1-5/8" with Lug & Heat Shrink
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    Universal Ground Kit 1-5/8" with Lug & Heat Shrink

    $26.00
    $26.00
  • Straight Splice for 4" Deep Roof-Top Coax Ladders, 2/Pkg
    Straight Splice for 4" Deep Roof-Top Coax Ladders, 2/Pkg
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    Straight Splice for 4" Deep Roof-Top Coax Ladders, 2/Pkg

    $18.95
    $18.95
  • Red Reflective 2" Tape (10 Yard Roll)
    Red Reflective 2" Tape (10 Yard Roll)
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    Red Reflective 2" Tape (10 Yard Roll)

    $22.00
    $22.00
  • Orange Reflective 2" Tape (10 Yard Roll)
    Orange Reflective 2" Tape (10 Yard Roll)
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    Orange Reflective 2" Tape (10 Yard Roll)

    $22.00
    $22.00
  • AT&T Warning 1B Sign (PIM Rated) by Sky High Supply Company
    AT&T Warning 1B Sign (PIM Rated)
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    AT&T Warning 1B Sign (PIM Rated)

    $17.95
    $17.95
  • AT&T Notice 2 Sign (PIM Rated) by Sky High Supply Company
    AT&T Notice 2 Sign (PIM Rated)
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    AT&T Notice 2 Sign (PIM Rated)

    $17.95
    $17.95
  • AT&T Caution 2B Tower Sign (PIM Rated) by Sky High Supply Company
    AT&T Caution 2B Tower Sign (PIM Rated)
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    AT&T Caution 2B Tower Sign (PIM Rated)

    $17.95
    $17.95
  • 4" x 6" x 12' Non-Penetrating Roof-Top Coax Ladder Tray by Cope, designed for rooftop telecom cable routing. Splice plate included. Local delivery in NJ & NY.
    4"d x 6"w 12' Non-Penetrating Roof-Top Coax Ladder Tray
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    4"d x 6"w 12' Non-Penetrating Roof-Top Coax Ladder Tray

    $230.00
    $230.00
  • 4"D x 12"W 12'L Non-Penetrating Roof-Top Coax Ladder Tray
    4"D x 12"W 12'L Non-Penetrating Roof-Top Coax Ladder Tray
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    4"D x 12"W 12'L Non-Penetrating Roof-Top Coax Ladder Tray

    $225.00
    $225.00
  • Plastic Barrier Chain (Per Foot) by Sky High Supply Company
    Plastic Barrier Chain (Per Foot)
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    Plastic Barrier Chain (Per Foot)

    $2.25
    $2.25
  • 10 Lb Hexagonal Rubber Base for Delineator Post by Sky High Supply Company
    10 Lb Hexagonal Rubber Base for Delineator Post
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    10 Lb Hexagonal Rubber Base for Delineator Post

    $20.00
    $20.00
  • Safety Delineator Post (45" Tall w/Base) by Sky High Supply Company Safety Delineator Post (45" Tall w/Base)
    Safety Delineator Post (45" Tall w/Base)
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    Safety Delineator Post (45" Tall w/Base)

    $46.00
    $46.00
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