Cantex 51400 Series PVC Conduit End Cap, 3" Trade Size

Cantex 51400 Series PVC Conduit End Cap, 3" Trade Size

The Cantex 51400 Series PVC Conduit End Cap is a purpose-built end closure designed to seal the open end of 3" PVC conduit runs. Molded from durable PVC, this conduit cap provides a clean, weather-resistant termination point for electrical raceway systems, helping keep out moisture, dirt, and debris during storage, staging, or permanent installation. This listing covers the full 51400 Series model lineup — 11 model options (5140031 through 5140042) — all sized to fit standard 3" PVC conduit dimensions for a proper, secure fit without the need for additional adapters. Regardless of which model number is selected, every option in the series shares the same PVC construction, 3" trade size fit, and end-cap function, so buyers can standardize on the 51400 Series across a project while selecting the specific model that matches their supplier or packaging preference.

Key Features

• Trade Size: Sized for 3" PVC conduit, ensuring a proper fit on standard raceway runs across all 51400 Series model options.
• Durable Construction: Molded PVC material resists corrosion, moisture intrusion, and general wear, making it well suited for both indoor and outdoor electrical applications.
• End Cap Design: Provides a clean, protective closure for the open end of 3" conduit, helping prevent debris, dirt, and moisture from entering the raceway during transport, storage, or installation.
• Series Consistency: Part of the Cantex 51400 Series of conduit fittings, engineered to complement other components in the same product family for consistent fit and performance.
• Lightweight PVC Build: Easy to handle and install on jobsites, reducing installation time compared to heavier metallic fitting options.
• Model Range: Available across 11 model numbers (5140031 – 5140042) within the 51400 Series, all sharing the same 3" PVC end cap specification.

Technical Specifications

• Trade Size: 3"
• Product Material: PVC
• Series: 51400
• Product Type: Conduit End Cap
• Model Options: 5140031, 5140032, 5140033, 5140034, 5140035, 5140037, 5140038, 5140039, 5140040, 5140041, 5140042

Typical Applications

• PVC Conduit and Raceway Systems
• Protective Sealing of Open Conduit Ends During Storage or Staging
• Commercial and Residential Electrical Installations
• New Construction and Renovation Conduit Runs
• Underground and Above-Grade PVC Conduit Applications

Why Cantex?

Cantex is a recognized name in PVC conduit and fitting manufacturing, and the 51400 Series conduit end cap reflects that focus with a durable PVC build designed to fit 3" conduit precisely across all model options in the series. Choosing a Cantex conduit cap for your 3" PVC raceway system helps maintain consistent fit and finish across your installation, supporting reliable, code-conscious electrical work on the jobsite, whether you're capping conduit for storage, staging, or a finished run.