Plenum and Riser Rated Terminal Adapter for HDPE Conduit

The Dura-Line Terminal Adapter—commonly known as a "Service Box Connector"—is designed to securely join HDPE (High-Density Polyethylene) conduit to standard electrical service boxes. Made from threaded aluminum, this adapter offers a strong, reliable connection ideal for both commercial and residential installations.

Seamless HDPE-to-Box Transition

Engineered for performance, one end of the adapter threads onto the HDPE conduit, while the other fits standard knockouts in electrical service boxes. The included locking rings ensure a tight, stable fit that holds up even in high-vibration environments.

Compatible with Dura-Line Corrugated Duct

Designed for perfect integration with Dura-Line corrugated duct, this adapter streamlines your supply chain and ensures compatibility across your installation.

Rated for Plenum and Riser Applications

Certified to meet UL-2024 and CSA 22.2 standards, the Terminal Adapter is suitable for use in plenum spaces and vertical risers, offering peace of mind in safety-critical environments.

Key Features

• Threaded Aluminum Construction – Lightweight, corrosion-resistant, and built to last.
• Quick, Secure Installation – Threads onto HDPE conduit and locks in through standard knockouts.
• Locking Rings Included – Prevents loosening or disconnection over time.
• Dura-Line Compatible – Engineered for seamless use with Dura-Line corrugated duct.
• Plenum & Riser Rated – Meets UL-2024 and CSA 22.2 safety standards.

Specifications

• Material: Threaded aluminum
• Ratings: UL-2024 and CSA 22.2 (Plenum and Riser)
• Compatibility: HDPE conduit and standard electrical service boxes

Whether you’re managing a commercial buildout or residential retrofit, the Dura-Line Terminal Adapter offers a code-compliant, easy-to-install solution for joining HDPE conduit to electrical service boxes.