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Ancor 305648 Marine Grade Adhesive Lined Heat Shrink Tubing 1/2" x 48" Red

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

305648
09/16/2036 8:18 AM
Sale Price

$13.48

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Ancor 305648 Marine Grade Adhesive Lined Heat Shrink Tubing provides professional-grade protection for marine electrical connections. This heavy-duty heat shrink tubing features a heat-activated adhesive lining that creates a watertight, weatherproof seal around wire splices and terminations, making it ideal for harsh marine environments.

Key Features:

  • Cross-linked polyolefin construction is significantly stronger and more durable than standard PVC tubing
  • Heat-activated adhesive lining creates an impervious seal against salt water, oil, acids, and sunlight
  • Superior 3:1 shrink ratio—shrinks to one-third of original diameter for tight, secure fit
  • Provides excellent strain relief at connection points
  • Wide operating temperature range from -40°F to 230°F (-40°C to 110°C)
  • Activates at 257°F (125°C) for quick, reliable installation
  • UL 224 rated for quality and safety
  • Non-burning construction—will not ignite like PVC alternatives

Specifications:

  • Length: 48 inches (122 cm)
  • Diameter (before shrinking): 1/2 inch (12.7 mm)
  • Diameter (after shrinking): 5/32 inch (4 mm)
  • Wire range: 8-4 AWG
  • Color: Red
  • Quantity: 1 piece per package

This adhesive-lined heat shrink tubing is perfect for marine electrical repairs, custom wiring harnesses, and protecting connections in boats, RVs, and other applications exposed to moisture and environmental stress.

Autoplicity had the item I wanted at a cheaper price than anybody online or in stores. They didn't have the item in stock, but they were very informative as to the status of my item. They have shown unheard of customer service via email since the inception of my order. I will definitely do business with them again.

Quick n easy

Easy

Great company to deal with. I placed an order with them (albeit an incorrect shipping address) and before you know it I'm expecting delivery in a very short amount of time. I also did have to call and attempt to correct my address error when the customer service rep let me know that all is well and set to be delivered to the correct address. I appreciate the fact that the gentleman on the other end of the phone was reassuring, courteous, and professional. I'd certainly do business with them again as the prices and customer service can't be beat!

Prompt and quick service... no hassle...

good

Return customer, excellent communication and fast shipping A+

Lowest prices, great service. Thanks.

Found what I needed- no probelm.

Very fast shipping and order processing!! Extremely competitive pricing; after wading through the internet and finding 'good' pricing (from sketchy vendors) these guys are tops!

Bought an MSD ignition box from Autoplicity because they had the best price on the web. Always a little weiry of ordering from the lowest price vendor, but the service here has been second to none. I will always check here first in the future! And $5 back on my order to boot!

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