Sigma 47150 Proconnex Round Zinc-plated Steel Knockout Seal, 1/2 In

A knockout seal is an electrical fitting designed to close unused knockouts on electrical boxes and metal enclosures. Knockout holes in electrical boxes can allow dust and debris to enter the system. This round knockout seal provides a closure for vacant knockouts, protecting your electrical installations.

The Sigma Proconnex knockout seal fits standard 1/2-inch knockout holes found in residential and commercial electrical boxes. By sealing off unused openings, you protect the integrity of the electrical box. This product is ideal for professional electricians and DIY enthusiasts working on new installations, renovations, or maintaining existing systems.

Features and Benefits

• Zinc-Plated Steel Construction: Resists corrosion, ensuring the seal will not degrade over time in various environments.
• Round Design: Fits seamlessly into standard 1/2-inch knockout holes, delivering a clean, professional appearance in completed installations.
• Protects Vacant Knockouts: Seals off unused knockouts from debris and moisture, maintaining electrical system safety.
• Industry-Trusted Brand: Manufactured by Sigma Engineered Solutions, a recognized leader in electrical fittings and components.
• Standard Box Compatibility: Designed to fit standard electrical boxes with 1/2-inch knockouts.

Specifications

• Brand: Sigma
• Model: 47150
• Knockout Size: 1/2 inch
• Shape: Round
• Material: Zinc-plated steel