G Hjukstrom EC5631 Replacement 15A 125V NEMA 5-15R Commercial Female Plug End

The G Hjukstrom EC5631 is a commercial-grade 15A, 125V NEMA 5-15R female plug end designed for dependable cord repairs and custom power connections in demanding environments. Manufactured with a high-impact, chemical-resistant housing and formed brass terminals, this replacement plug is built for long service life in shops, facilities, and jobsite applications. Its enclosed terminal chambers keep conductors separated during wiring, and the transparent terminal cover provides visual confirmation that each wire is fully seated and secure.

The EC5631 supports 18–12 AWG conductors, making it suitable for repairing extension cords, building new power leads, or outfitting generator transfer applications. The two-screw cord grip provides strong retention to help prevent pull-out, while the unique dimpled body improves handling when tightening, turning, or disconnecting. The plug is rated to 750°C flame resistance (V-2 per UL94) and is UL/CUL listed, making it a dependable choice for commercial, industrial, and residential settings that require reliable power connections.

G Hjukstrom Replacement 15A 125V NEMA 5-15R Commercial Female Plug End At a Glance

• NEMA 5-15R Rating: Compatible with standard 125V household and commercial power cords.
• Enclosed Terminal Chambers: Helps prevent shorting by keeping conductors separated during installation.
• Solid Brass Contacts: Designed from a single brass piece for reliable conductivity and reduced heat buildup.
• Adjustable Cord Clamp: Fits 18–12 AWG cords and provides strong retention for repaired or custom cables.
• Dimpled Body Design: Improves grip for tightening, pulling, and positioning the plug.
• Transparent Terminal Cover: Allows visual inspection of completed terminations.
• High-Impact, Chemical-Resistant Housing: Withstands tough use in industrial environments.
• UL/CUL Listed: Meets recognized safety and performance standards.

Markets

• Construction and Maintenance Used for repairing or building extension cords for portable tools and equipment.
• Automotive and Welding Shops Suitable for benches, machinery hookups, and cord replacements.
• Generators and Backup Power Commonly used with transfer switches, inlet boxes, and generator leads.
• Marine and RV Service Reliable for dockside power cords, trailer hookups, or field repairs.
• Facility and Municipal Maintenance Supports safe cord repair for indoor and outdoor equipment.
• Home and DIY Users Helpful for repairing worn power cords on appliances and tools.

Contractors, facility technicians, and mechanics value the EC5631 for its dependable connection design and straightforward installation. Each conductor fits into a dedicated chamber, reducing wiring errors when working quickly or in tight areas. For users who regularly repair extension cords or build custom leads, the adjustable clamp accommodates a range of cable sizes without needing additional hardware.

Homeowners and hobbyists also benefit from the durable housing, which resists cracking in high-abuse situations, making cord repairs more reliable and longer lasting. Whether used for a generator connection, shop equipment, or general electrical maintenance, the EC5631 provides a practical solution for keeping tools and appliances powered safely.

G Hjukstrom EC5631 Replacement 15A 125V NEMA 5-15R Commercial Female Plug End Features

• Commercial-Grade Construction: built for jobsite and workshop conditions with high-impact-resistant housing
• Dimpled Body Grip: Improves control when tightening and disconnecting.
• Two-Part Cord Grip: Tightens with two screws to maintain strong retention under tension.
• Single-Piece Brass Contacts: Reduces friction and overheating for stable power flow.
• Quick-Thread Assembly Screws: Speeds up wiring and reassembly.
• Alignment Keys: Help match face and body correctly during installation.
• High-Temperature Rating: 750°C flame resistance (UL94 V-2).
• Chemical and Impact Resistant Housing: Suitable for industrial and outdoor environments.

G Hjukstrom EC5631 Replacement 15A 125V NEMA 5-15R Commercial Female Plug End Includes

• (1) Commercial-Grade NEMA 5-15R Female Plug

G Hjukstrom EC5631 Replacement 15A 125V NEMA 5-15R Commercial Female Plug End Specifications

• Voltage: 125V
• Amperage: 15A
• Configuration: NEMA 5-15R
• Wire Capacity: 18–12 AWG
• Terminal Material: Solid Brass
• Housing Color: Yellow
• Grounding: Yes
• Flame Rating: 750°C, UL94 V-2
• Certifications: UL/CUL Listed
• Replaces: EC5603

Why Customers Prefer the G Hjukstrom Replacement 15A 125V NEMA 5-15R Commercial Female Plug End

Technicians choose the EC5631 because its enclosed wiring chambers and clear terminal cover help ensure clean, reliable terminations during cord repairs. When working with a standard 125V extension cord or a generator power lead, the solid brass terminals provide stable contact and reduce the heat that can develop in heavily used cords. Crews handling frequent repairs appreciate the two-screw cord clamp, which keeps the jacket secure and prevents pull-outs that cause downtime.

Maintenance teams and installers also prefer this NEMA 5-15R replacement plug for its impact-resistant housing, which holds up in busy workshops and facility environments. For users replacing worn ends on tools, pumps, or shop equipment, the EC5631 offers dependable performance and consistent fit, helping keep everyday electrical connections safe and functional.