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Ancor 303648 Adhesive Lined Heat Shrink Tubing 1/4" x 48" Red 16-10 AWG

Manufacturer

Ancor

<h3>Ancor: The Standard in Marine Grade® Electrical Wiring</h3><p>When it comes to marine electrical systems, few names carry as much weight as Ancor. For over four decades, Ancor has held its position as the originator and market leader of <strong>Marine Grade®</strong> wire and wire management solutions. What sets Ancor apart is not just longevity — it is a relentless commitment to engineering products specifically for the harshest environments on earth: saltwater, intense UV exposure, engine-bay vibration, and extreme temperature swings that would destroy ordinary electrical wire.</p><p><a href="/7231-ancor-wire-cable-201198">Ancor wire and cable</a> forms the backbone of countless boat electrical systems, and for good reason. Every conductor is built from tinned copper stranding, a critical distinction from standard bare copper wire. Tinning each individual strand electroplates it with a protective layer that guards against the corrosion and electrolysis that can silently wick through unprotected wire and cause total system failure. The proprietary premium vinyl insulation stays flexible even in extreme cold down to -40°F, while simultaneously resisting saltwater, battery acid, oil, gasoline, and ultraviolet radiation.</p><p>Ancor products are manufactured to precise specifications and designed to meet UL, ABYC, NMMA, and USCG standards — and in many cases exceed them. This industry involvement means that when you wire a boat with Ancor, you are building to a standard recognized by the U.S. Coast Guard, the American Boat and Yacht Council, and the National Marine Manufacturers Association.</p><p>The Ancor catalog spans a comprehensive range of marine electrical needs. Their <a href="/7231-ancor-primary-wire-10128">primary wire</a> is available across a full spectrum of gauges and in every color recommended by ABYC standards, making circuit identification straightforward and code-compliant. For high-current applications like engine starting and battery banks, Ancor's <a href="/7231-ancor-battery-cable-2500">battery cable</a> uses ultra-flexible Type 3 stranding that makes routing heavy-gauge conductors through tight bilge spaces far more manageable. Completing the connection, Ancor's <a href="/7231-ancor-battery-lugs-200145">battery lugs</a> are manufactured from 100% heavy-duty annealed tinned copper to maximize current flow while resisting the corrosive marine atmosphere at every terminal point.</p><p>Beyond conductors, Ancor's product ecosystem includes terminals, connectors, heat shrink tubing, cable ties, and professional installation tools — all engineered to work together as a unified system. Whether you are rewiring a center console from scratch or making targeted repairs to an aging offshore cruiser, Ancor provides the components to do the job right the first time.</p><h3>Why Ancor Is the Go-To Brand for Marine Electricians</h3><ul style="list-style:disc"><li><strong>Tinned Copper Construction:</strong> Every strand is individually electroplated to fight corrosion and electrolysis at the conductor level.</li><li><strong>Proprietary Insulation:</strong> UV, saltwater, acid, oil, and abrasion resistance rated at 600 volts and 221°F dry / 167°F wet.</li><li><strong>Standards Compliance:</strong> Meets and exceeds UL 1426, ABYC, NMMA, and USCG (CFR Title 46) requirements.</li><li><strong>Complete System Approach:</strong> Wire, cable, terminals, connectors, lugs, and tools all designed for compatibility.</li><li><strong>ABYC Color Coding:</strong> Full range of color options ensures proper circuit identification per industry standards.</li></ul><p>From weekend fishing boats to long-range bluewater cruisers, Ancor's Marine Grade® product line delivers the reliability that on-the-water safety demands. Explore the categories below to find the right Ancor solution for your next electrical project.</p>

Part Number

303648
09/12/2036 6:19 PM
Sale Price

$11.54

In Stock (10+)

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Usually delivered within 2 days

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Product Details

Ancor's adhesive-lined heat shrink tubing provides marine-grade wire protection with a waterproof seal. This 48-inch red tubing section features a heat-activated adhesive inner lining that creates an impervious barrier against salt water, oil, acids, and UV exposure while providing excellent strain relief for wire connections.

Key Features:

  • Cross-linked polyolefin construction—stronger and safer than PVC alternatives
  • Heat-activated adhesive lining creates waterproof, corrosion-resistant seal
  • 3:1 shrink ratio reduces from 1/4" (6.4mm) diameter to 5/64" (2mm)
  • Fits wire sizes 16-10 AWG
  • Shrink activation temperature: 257°F (125°C)
  • Operating temperature range: -40°C to 110°C (-40°F to 230°F)
  • UL 224 listed for safety and reliability
  • 48-inch length provides ample material for multiple connections

Ideal for marine, automotive, and outdoor electrical applications where moisture protection is critical. The adhesive lining flows when heated to completely encapsulate and seal wire terminations, splices, and connections.

Best price on the web. Very fast and easy. Thank you!

Lowest price I can find! Sent tracking number via FedEx without trouble! Would recommend!

Good site everything does what it's supposed to do.

Great! My part got here BEFORE the estimated delivery date! Now I may be able to complete my project in time! THANKS!!!

Don't see where my coupon code took off 10%. Also did not receive a second email with tracking info. First e-mail said we would receive a tracking number in next email.

Easy ordering and good prices

Technical information was available that was needed to make purchase. Good price, parts in stock. Website easy to use.

Excellent

Everything was honored as promised with great prices and shipping. Part in route can't wait to install.<br><br>Thanks,<br><br>KC_Metal<br>

Best price I could find. It was delivered just when I needed it. Thank you !

Ordered a hard to find in Lagos fuel sender for my 1998 Benz c280 and i had it delivered on time for delayed reapirs. Order #6886

Very fast

good price

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