EPCO’s Bulk Thick Wall Heat Shrink Tubing provides premium insulation for electrical connections, offering the same durability, moisture resistance, and NEC compliance as our popular packaged Thick Wall HST. Designed for direct burial applications, this bulk tubing ensures long-lasting protection for smaller gauge wires in residential, commercial, and industrial installations. 

EPCO 14 AWG / 10 AWG Bulk Thick Wall Heat Shrink Tubing provides NEC-compliant, labor-saving, and environmentally resistant insulation, making it a trusted solution for contractors, electricians, and engineers.

BENEFITS 

EPCO’s Bulk Thick Wall Heat Shrink Tubing delivers reliable, NEC-compliant insulation for smaller-gauge wires, providing labor savings, durability, and environmental protection in residential, commercial, and light industrial applications. 

• NEC Compliant & UL Listed – Meets safety standards for direct burial installations in the U.S., Canada, and international projects.
• Labor-Saving Installation – Installs and shrinks quickly over 14–10 AWG wires, reducing labor and time.
• Customizable Lengths – Available in 4" to 48" cut lengths, allowing precise sizing and minimal waste.
• Environmental Resistance – Protects against moisture, soil, UV, fungi, abrasion, and corrosion for long-term performance.
• Cost-Efficient Bulk Option – Quoted per inch, allowing contractors to purchase exactly the length needed.
• Same High-Quality Material as Packaged HST – Ensures consistent insulation performance across all installations.  

FEATURES

EPCO’s Bulk Thick Wall Heat Shrink Tubing is engineered for durable insulation, NEC compliance, and labor-saving installation for residential, commercial, and light industrial wiring projects.

• Direct Burial Rated & UL Listed – Ensures safe underground installations and NEC-compliant protection.
• Customizable Cut Lengths – Available from 4" to 48", providing flexibility for precise installation.
• Wide Shrink Ratio – Fits 14 AWG to 10 AWG, reducing the need for multiple tubing sizes.
• Durable Material – Resistant to abrasion, corrosion, UV exposure, fungi, and moisture, ensuring long-lasting performance.
• Internal Adhesive & Sealant – Forms a moisture- and soil-resistant bond when heated.
• Labor-Saving Design – Slides easily over wires and shrinks efficiently, saving installation time.
• Premium Quality – Same high-performance material as EPCO’s packaged Thick Wall HST tubing.
• Bulk Ordering Efficiency – Quoted per inch for cost-effective and flexible purchasing.  

TYPICAL APPLICATIONS 

• Direct Burial Connections – Perfect for sealing and insulating small-gauge splices and terminations in underground power distribution.
• Branch Circuit Wiring Protection – Provides a moisture- and soil-resistant seal for 14–10 AWG conductors in commercial and residential systems.
• Control and Signal Wiring – Ideal for protecting smaller conductors used in automation panels, sensors, and control circuits.
• Outdoor Lighting Installations – Ensures reliable, weatherproof insulation for landscape lighting, parking lot lighting, and pathway circuits.
• Renewable Energy Applications – Used to protect 14–10 AWG wiring in solar arrays, battery connections, and EV charging infrastructure.
• Marine and RV Wiring – Shields small-gauge conductors from corrosion and abrasion in harsh, moisture-prone environments.