TayMac Weatherproof Cast Metal Closure Plug, NPT, Gray

TAYMAC CP475S Weatherproof Cast Metal Closure Plug, 3/4 in. NPT, Gray

The TAYMAC CP475S Weatherproof Metal Closure Plug is engineered to seal unused 3/4 in. NPT openings on weatherproof electrical boxes and device covers. Molded from cast metal and finished in Gray to coordinate with standard weatherproof enclosures, this closure plug is UL Listed and supplied as a convenient polybag of 4, making it easy for electrical contractors, facility maintenance teams, and remodelers to keep unused conduit hubs protected from moisture, dust, insects, and debris. Whether closing out an extra knockout on a weatherproof cover or finishing an outdoor device box, the CP475S delivers a secure, low-profile seal that holds up to everyday job-site conditions.

Key Features

• Trade Size: 3/4 in. NPT threaded closure plug sized to fit standard weatherproof device box and cover openings.
• Durable Construction: Cast metal body provides a rugged, long-lasting seal for unused conduit hubs.
• Gray Finish: Coordinates with common weatherproof covers and enclosures for a clean, uniform appearance.
• Low-Profile Design: 0.31 in. depth keeps the plug flush and unobtrusive once installed.
• Convenient Packaging: Supplied in a polybag of 4 plugs for efficient job-site stocking and multi-opening installations.
• Threaded NPT Connection: Simple, secure thread-in installation into 3/4 in. NPT hubs without special tools.
• UL Listed: Independently verified for safe use in weatherproof electrical closure applications.

Certifications & Compliance

• UL Listed

Technical Specifications

• Product Material: Cast Metal
• Product Color: Gray
• Product Depth: 0.31 in
• Certified Listed: UL Listed

Typical Applications

• Sealing Unused 3/4 in. NPT Conduit Openings
• Weatherproof Device Box and Cover Assemblies
• Outdoor and Wet-Location Electrical Installations
• Commercial and Industrial Conduit Systems
• Renovation and New Construction Wiring Projects

Why TAYMAC?

TAYMAC builds weatherproof electrical devices from durable cast metal construction designed to withstand outdoor exposure, moisture, and everyday job-site handling. The CP475S closure plug's UL Listed rating, rugged 3/4 in. NPT fit, and low-profile 0.31 in. depth make it a dependable choice for electricians and facility teams who need a reliable, code-compliant way to seal unused conduit hubs on weatherproof boxes and covers. Packaged as a polybag of 4 in a matching Gray finish, the CP475S is a practical solution for finishing out weatherproof electrical installations with confidence.