Southwire WP50-4-UPC Diecast Closure Plug

Product Description

The SOUTHWIRE WP50-4-UPC is a diecast closure plug designed to seal open conduit or fitting entries in electrical installations. Closure plugs of this type block unused knockout or conduit openings, preventing debris, moisture, and pests from entering enclosures, junction boxes, or conduit bodies. Constructed from diecast material for durability, this plug provides a secure, low-profile seal suited for use in commercial and residential electrical work. Electricians and electrical contractors install this fitting as part of routine panel, box, and conduit work.

This closure plug is used in residential and commercial electrical installations wherever open conduit hubs or fitting openings need to be sealed off. It is appropriate for use in junction boxes, pull boxes, conduit bodies, and enclosures where unused entries must be closed per NEC requirements. The compact diecast construction makes it a practical choice for maintenance, retrofit, and new construction applications.

Key Features

• Diecast construction provides solid, durable sealing of unused conduit or fitting openings
• Compact, low-profile design fits standard knockout and conduit entry points
• Helps meet NEC requirements for sealing unused enclosure openings
• Lightweight at 0.07 pounds for easy handling during installation
• Sold individually for precise quantity purchasing

Compatibility

Designed as an OEM-style replacement and standard-use closure plug for open conduit entries and knockout openings in electrical enclosures, junction boxes, and conduit bodies.

Installation Notes

Installation is performed by a licensed electrician. Always de-energize and lock out the enclosure or panel before accessing any internal fittings or knockouts. Verify the plug size matches the opening before installation. Work should comply with applicable NEC requirements and local electrical codes.