SEPCO C23 3/8-Inch Die-Cast Zinc Romex Connector

SEPCO C23 3/8-Inch Die-Cast Zinc Romex Connector

The SEPCO C23 is a 3/8-Inch die-cast zinc Romex connector engineered to secure nonmetallic (NM) sheathed cable as it enters electrical boxes, panels, and enclosures. Its die-cast zinc body delivers the strength and corrosion resistance electricians rely on for residential and light commercial wiring work, while the 3/8-Inch sizing matches standard knockouts found on common junction boxes and panels. As a dedicated Romex connector, the SEPCO C23 clamps down on the outer jacket of NM cable to hold the run firmly in place at the point of entry, helping keep the cable seated and protected from abrasion where it passes through the box wall. It is a straightforward, purpose-built component for electricians who need a reliable mechanical connection between NM cable and a metal or nonmetallic enclosure.

Key Features

• Trade Size: 3/8-Inch sizing is designed to match standard knockouts on electrical boxes, panels, and enclosures for a proper, secure fit.
• Durable Die-Cast Zinc Construction: The die-cast zinc body resists corrosion and holds up to repeated handling, making it suitable for both new installations and retrofit work.
• Romex/NM Cable Connector: Purpose-built to secure nonmetallic (NM) sheathed cable at the point of entry into a box or enclosure, keeping the cable jacket clamped and seated in place.
• Box & Enclosure Compatible: Designed to connect NM cable runs into junction boxes, panelboards, switch boxes, and other standard electrical enclosures.
• Compact, Low-Profile Design: The 3/8-Inch profile fits tight box and panel layouts without crowding adjacent knockouts or wiring.
• Straightforward Installation: Mechanical clamp design allows the connector to be seated in a knockout and tightened onto the NM cable without specialty tools.
• Consistent Zinc Finish: Die-cast zinc construction provides a consistent, uniform finish across the connector body and locknut.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Nonmetallic (NM) Cable Entry into Boxes and Panels
• Residential Branch Circuit Wiring
• Light Commercial Electrical Installations
• Junction Box and Switch Box Wiring
• Panelboard and Enclosure Cable Entry
• Renovation and New Construction Electrical Work

Why SEPCO?

SEPCO builds the C23 Romex connector from die-cast zinc for a combination of strength and corrosion resistance that stands up to demanding jobsite conditions. The compact 3/8-Inch profile gives electricians a dependable, purpose-fit way to secure NM cable into boxes and enclosures without adding bulk to a crowded panel or junction box. For contractors and maintenance electricians who need a straightforward, no-nonsense Romex connector for everyday NM cable terminations, the SEPCO C23 offers a durable, well-fitted solution sized specifically for 3/8-Inch knockouts.