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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.

  • Heavy-duty 1" straight malleable iron Seal Tight connector with insulated throat. Reliable, corrosion-resistant fit for metallic Seal Tight conduit.
    1" Straight Malleable Seal Tight Connector – Insulated UL
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    1" Straight Malleable Seal Tight Connector – Insulated UL

    $24.99
    $24.99
  • Durable 1" 90° malleable iron Seal Tight connector with insulated throat. UL Listed, corrosion-resistant, and built for metallic Seal Tight conduit.
    1" 90° Malleable Seal Tight Connector – UL Listed
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    1" 90° Malleable Seal Tight Connector – UL Listed

    $27.99
    $27.99
  • 2 inch rigid malleable iron compression connector with insulated throat for conduit and IMC electrical installations
    2" Rigid Compression Connector – Malleable Iron
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    2" Rigid Compression Connector – Malleable Iron

    $60.00
    $60.00
  • "10 Meter 6 Strand LC-LC Singlemode Outdoor Rated Fiber Trunk Cable with blue LC connectors and black jacket"
    10m LC-LC SM Fiber Trunk, 6 Strand Outdoor Rated
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    10m LC-LC SM Fiber Trunk, 6 Strand Outdoor Rated

    $275.00
    $275.00
  • 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
  • Wedge Anchors – 15 Pack For Sale In New Jersey
    Wedge Anchors – 15 Pack, Multiple Sizes Available
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    Wedge Anchors – 15 Pack, Multiple Sizes Available

    $15.00
    $15.00
  • Rugged Four Hole Heavy Duty Strut Splice for securely joining strut channels. Sized at 7-1/4" x 1-5/8", it delivers reliable reinforcement and alignment in structural framing systems.
    Four Hole Heavy Duty Strut Splice – 7-1/4" x 1-5/8"
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    Four Hole Heavy Duty Strut Splice – 7-1/4" x 1-5/8"

    $20.99
    $20.99
  • Four Hole Splice Plate, flat steel connector 7-1/4 inch long by 1-5/8 inch wide, with four pre-drilled holes for strut channel reinforcement.
    Four Hole Splice Plate 7-1/4" Long (Strut Splice)
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    Four Hole Splice Plate 7-1/4" Long (Strut Splice)

    $6.99
    $6.99
  • 1-inch Metallic Seal Tight UL Listed conduit in 100-foot roll, gray color, indoor/outdoor rated, resistant to corrosion, abrasion, oil, and water.
    1" Metallic Seal Tight UL Listed (100' Roll)
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    1" Metallic Seal Tight UL Listed (100' Roll)

    $375.00
    $375.00
  • 2" Rigid Zinc Die Cast Myers Hub w/Insulated Throat
    2" Rigid Zinc Die Cast Myers Hub – Insulated Throat
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    2" Rigid Zinc Die Cast Myers Hub – Insulated Throat

    $17.99
    $17.99
  • 2-inch Set Screw & Threaded Conduit LB body with removable gasketed cover, gray metallic finish, threaded opening, and screws, shown in side profile.
    2" Set Screw & Threaded Conduit LB
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    2" Set Screw & Threaded Conduit LB

    $27.99
    $27.99
  • 2-inch Set Screw & Threaded Conduit C body with threaded opening, gray metallic finish, and removable cover plate secured by screws.
    2" Set Screw & Threaded Conduit C
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    2" Set Screw & Threaded Conduit C

    $26.99
    $26.99
  • Ten Hole Square Post zinc strut foot, 6 inch by 6 inch base with 3-1/2 inch tall upright U-channel, 10 pre-drilled holes for structural strut mounting.
    Ten Hole Square Post- 6" x 6" x 3-1/2" (Zinc Strut Foot)
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    Ten Hole Square Post- 6" x 6" x 3-1/2" (Zinc Strut Foot)

    $31.99
    $31.99
  • White self-adhesive cable tie mounts (20x20mm) securing blue cables against a metal wall, shown in use for cable management.
    White Self-Adhesive Cable Tie Mounts – 20x20mm (100 Pack)
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    White Self-Adhesive Cable Tie Mounts – 20x20mm (100 Pack)

    $8.99
    $8.99
  • 3-Piece KO Seal with Rubber Gasket: 3" Plug 3-Piece KO Seal with Rubber Gasket: 3" Plug
    3-Piece KO Seal with Rubber Gasket: 2" Plug
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    3-Piece KO Seal with Rubber Gasket: 2" Plug

    $27.99
    $27.99
  • 18-inch wide 90-degree horizontal roof-top coax ladder tray cover for cable protection in rooftop coax ladder systems.
    18" Wide 90-Deg Horz Roof-Top Coax Ladder Tray Cover
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    18" Wide 90-Deg Horz Roof-Top Coax Ladder Tray Cover

    $130.00
    $130.00
  • 24" Wide 12' Straight Section Coax Ladder Tray Cover, 2x6 Ft
    24" Wide 12' Straight Section Coax Ladder Tray Cover, 2x6 Ft
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    24" Wide 12' Straight Section Coax Ladder Tray Cover, 2x6 Ft

    $220.00
    $220.00
  • 6" Wide 90-Deg Vert Outside Bend Coax Ladder Tray Cover
    6" Wide 90-Deg Vert Outside Bend Coax Ladder Tray Cover
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    6" Wide 90-Deg Vert Outside Bend Coax Ladder Tray Cover

    $85.00
    $85.00
  • 6" Wide 90-Deg Vert Inside Bend Coax Ladder Tray Cover
    6" Wide 90-Deg Vert Inside Bend Coax Ladder Tray Cover
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    6" Wide 90-Deg Vert Inside Bend Coax Ladder Tray Cover

    $90.00
    $90.00
  • 4"d x 12"w T-Junction Roof-Top Coax Ladder Tray Section
    4"d x 12"w T-Junction Roof-Top Coax Ladder Tray Section
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    4"d x 12"w T-Junction Roof-Top Coax Ladder Tray Section

    $330.00
    $330.00
  • 12" Wide T-Junction Roof-Top Coax Ladder Tray Cover
    12" Wide T-Junction Roof-Top Coax Ladder Tray Cover
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    12" Wide T-Junction Roof-Top Coax Ladder Tray Cover

    $172.00
    $172.00
  • 4"d x 12"w 90-Deg Horz Bend Roof-Top Coax Ladder Cover
    4"d x 12"w 90-Deg Horz Bend Roof-Top Coax Ladder Cover
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    4"d x 12"w 90-Deg Horz Bend Roof-Top Coax Ladder Cover

    $112.00
    $112.00
  • 12" Wide 90-Deg Horz Roof-Top Coax Ladder Tray
    12" Wide 90-Deg Horz Roof-Top Coax Ladder Tray
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    12" Wide 90-Deg Horz Roof-Top Coax Ladder Tray

    $160.00
    $160.00
  • 6" Wide T-Junction Roof-Top Coax Ladder Tray Cover
    6" Wide T-Junction Roof-Top Coax Ladder Tray Cover
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    6" Wide T-Junction Roof-Top Coax Ladder Tray Cover

    $150.00
    $150.00
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