EPCO’s 2/0 AWG / 350 MCM Bulk Thick Wall Heat Shrink Tubing provides heavy-duty electrical insulation for large-gauge power cables, offering the same premium quality and NEC compliance as our popular packaged Thick Wall HST. Designed for direct burial installations, this tubing ensures long-term protection for demanding projects in commercial, industrial, and utility applications. 

EPCO’s 2/0 AWG / 350 MCM Bulk Thick Wall Heat Shrink Tubing is the contractor’s choice for safe, reliable, and NEC-compliant large-gauge cable insulation. 

BENEFITS 

• Direct Burial Approved & NEC 2026 Compliant – Provides a safe, code-compliant solution for underground power distribution and large-gauge cable terminations.
• Labor & Time Savings – 3:1 shrink ratio allows quick, secure installation over large conductors with fewer tubing sizes required.
• Custom Length Flexibility – Order exactly the length you need (4"–48"), eliminating waste and reducing jobsite costs.
• Superior Cable Protection – Seals out moisture, soil, and contaminants while preventing corrosion and abrasion damage.
• UV & Environmental Resistance – Designed for long-term performance in outdoor, underground, and industrial environments.
• Cost-Effective Bulk Pricing – Quoted per inch for precision ordering and budget control.
• Supports Large-Gauge Applications – Perfect for 2/0 AWG through 350 MCM conductors used in commercial, industrial, and utility projects. 

FEATURES

• Bulk Cut-to-Length Option – Available in custom lengths from 4" to 48" for precise jobsite needs.
• High-Quality Thick Wall Construction – Same durable material as EPCO’s packaged HST Thick Wall Tubing.
• 3:1 Shrink Ratio – Covers a wide cable size range, reducing inventory needs.
• Adhesive-Lined Interior – Creates a secure, moisture- and soil-resistant seal for direct burial use.
• Heavy-Duty Insulation – Protects against abrasion, impact, corrosion, and harsh environmental conditions.
• Black UV-Resistant Tubing – Suitable for outdoor and underground installations.
• UL Listed (File #E123896) – Ensures compliance and reliability for commercial, industrial, and utility applications.
• NEC 2026 Compliant – Meets Articles 110.14(B) and 300.5(C)(E) for proper dielectric insulation. 

TYPICAL APPLICATIONS 

• Underground Power Distribution – Perfect for insulating and sealing large-gauge conductors in direct burial applications.
• Utility & Infrastructure Projects – Provides long-lasting protection for feeder cables in substations, vaults, and transformers.
• Commercial & Industrial Electrical Systems – Used for terminating and splicing 2/0 AWG to 350 MCM conductors in panels and switchgear.
• Renewable Energy Installations – Ideal for solar, wind, and battery energy storage system connections.
• Mining & Heavy-Duty Environments – Protects cables from abrasion, moisture, and contamination in harsh settings.
• Outdoor Lighting & Control Systems – Ensures weatherproof cable protection for parking lots, street lighting, and security systems.