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Ancor 305624 Marine Grade Adhesive Lined Heat Shrink Tubing 1/2-Inch x 12-Inch Red 5-Pack

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

305624
09/12/2036 6:44 PM
Sale Price

$18.33

In Stock (10)

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Usually delivered within 2 days

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Product Details

The Ancor 305624 marine grade adhesive lined heat shrink tubing provides professional-grade protection for electrical connections in harsh marine environments. This 5-pack includes red heat shrink tubes measuring 1/2-inch (12.7mm) in diameter and 12 inches (30.5cm) in length, suitable for wire sizes 8-4 AWG.

Key Features:

  • Cross-linked polyolefin construction is significantly stronger than PVC and will not burn like standard PVC tubing
  • Heat-activated adhesive lining creates an impervious seal against salt water, oil, acids, and sunlight while providing excellent strain relief
  • Industry-leading 3:1 shrink ratio reduces to 1/3 original size (shrinks to 5/32-inch or 4mm diameter)
  • Activates at 257°F (125°C) for reliable sealing
  • Wide operating temperature range from -40°C to 110°C (-40°F to 230°F)
  • UL 224 certified for marine and automotive applications

Ideal for protecting wire splices, terminal connections, and cable repairs in boats, RVs, and other marine applications where moisture protection is critical. The adhesive lining melts when heated to form a watertight seal that keeps corrosion at bay.

Fairly simple parts order. It arrived quickly and was well packaged.

Wow, what a good company to deal with! I ordered my Brake Motive 0100 pressure brake bleeder and 2 days later it was here! I can't wait to test it out. The only thing they could improve on is having the ability to search for parts based on year, make and model of the vehicle. The website requires that I find component part numbers elsewhere and input them in, a pretty cumbersome and difficult process. Thanks again!

Fast&amp; easy checkout, unfortunately no option for faster than ground shipping that I really need for this purchase. I will be vertu impressed if it gets sent out this morning &amp; to me tomorrow

Awesome

Great prices and items were shipped very quickly. I will definitely buy from Autoplicity again.

They had the parts I needed at the best price. I needed some questions answered to make sure I was ordering the right parts for a 4 year old car and they were very helpful when I called.

GREAT!

Went to ebay, amazon, and summit racing looking for this part and finally found it here after looking on this site for about 10 seconds.

Autoplicity had a MSD Timing Twister that was discontinued and no one had in stock. I called 6 places before getting in touch with them. Ordered part and had it in a matter of days.

pleased so far

I was very pleased with the way my order was handled. I will definitely use them again.

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