My Account
Shopping Cart

Ancor 305148 Heat Shrink Tubing 1/2" x 48" Black Adhesive Lined 8-4 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

305148
09/12/2036 6:43 PM
Sale Price

$13.22

In Stock (6)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Ancor 305148 is a premium adhesive-lined heat shrink tubing designed for marine and automotive electrical connections requiring waterproof protection. This 48-inch black tubing features a 1/2-inch diameter that shrinks down to 5/32-inch, providing secure coverage for 8-4 AWG wire applications.

Key Features:

  • Cross-linked polyolefin construction—significantly stronger and more durable than standard PVC tubing with superior flame resistance
  • Heat-activated adhesive lining creates an impervious seal against salt water, oil, acids, and UV exposure while providing excellent strain relief
  • Industry-leading 3:1 shrink ratio reduces to one-third original diameter for tight, secure fit
  • Activates at 257°F (125°C) for reliable shrinking with standard heat guns
  • Wide operating temperature range from -40°C to 110°C (-40°F to 230°F)
  • UL 224 certified for quality and safety compliance

This single-pack tubing is ideal for marine wiring harnesses, trailer connections, automotive repairs, and any application where moisture protection and vibration resistance are critical. The adhesive lining flows when heated to completely encapsulate the connection, creating a watertight seal that prevents corrosion in harsh environments.

I would like to have used Paypal (not the credit card) but could not.

make it work right and I'll be back!

Good price and great to know where to find these kind of conectors

Good Price Nice Radio

Website is easy to navigate. Parts are easy to find. Checkout was very simple to use. Good overall service.

Checked everywhere - lowest price on the web.

I placed an order with autoplicity on Saturday order number 10468 I got it today and installed my new banks ram air box and it is awesome. Thanks autoplicity my box from Banks looks like it just came off the shelf even after ups delivered it.

This is my second order with Autoplicity. Very happy for a second time!

Quick and easy transaction, Thanks

very easy

The best price found on the net for an Airtex fuel pump. Fast shipping via UPS. Received 08/09/2012<br><br>Autoplicity is now in my favorites. Order Number: <br>Ray J.

Fast ordering

Fast and Easy

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy