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Main ST Collective NEMA L16-30P Grounding Locking Plug30 Amp • 480 Volt AC • Heavy-Duty Industrial Twist Lock PlugAvailable in 1PK, 2PK, 4PK, 6PK, 8PK, 10PK, 12PK, 15PK & 20PK
Power your equipment with confidence using the Main ST Collective NEMA L16-30P Grounding Locking Plug. Designed for demanding commercial and industrial applications, these heavy-duty twist-lock plugs provide a secure electrical connection that helps prevent accidental disconnects while delivering dependable 480V power in harsh working environments.
Whether you're wiring industrial machinery, fabrication equipment, manufacturing systems, commercial facilities, generators, race trailers, workshops, portable power distribution systems, or specialty electrical equipment, these industrial-grade locking plugs are engineered for long-lasting performance. Featuring a durable housing, heavy-duty brass terminals, and a twist-lock design, they provide reliable power delivery even in demanding conditions.
Available in multiple pack sizes, these locking plugs are ideal for electricians, contractors, maintenance departments, fabrication shops, fleet service, industrial facilities, and professionals who build or repair heavy-duty power cords.
About Main ST Collective
Main ST Collective is the in-house hardware and electrical parts brand of Main Street Eshop, created for automotive enthusiasts, RV owners, racers, fabricators, contractors, commercial facilities, industrial users, and professional technicians.
Our mission is simple—to provide dependable, commercial-quality products that perform in real-world applications. From electrical connectors and replacement plugs to automotive hardware and workshop essentials, Main ST Collective products are selected for durability, reliability, and value.
About Main Street Eshop
Main Street Eshop supplies premium automotive, electrical, industrial, RV, racing, trailer, and shop equipment for professionals and DIY customers alike.
Whether you're wiring a commercial facility, maintaining industrial equipment, powering specialty machinery, outfitting a race trailer, servicing generators, or upgrading your workshop, Main Street Eshop offers dependable products designed to keep your equipment operating safely and reliably.
Product Features
✔ NEMA L16-30P Grounding Twist-Lock Plug
✔ 30 Amp • 480 Volt AC Rating
✔ 3 Pole • 4 Wire Configuration
✔ Heavy-Duty Industrial Construction
✔ Twist-Lock Design Helps Prevent Accidental Disconnects
✔ Heavy-Duty Brass Internal Components
✔ Secure Screw Terminal Wire Connections
✔ Easy Wire Assembly
✔ Built for Long Service Life
✔ cUL Listed
✔ NEMA Rated
Specifications
Product Type: Grounding Locking Plug
Configuration: NEMA L16-30P
Current Rating: 30 Amps
Voltage Rating: 480 VAC
Poles: 3
Wires: 4
Grounding: Yes
Connection Type: Twist Lock
Terminal Material: Heavy-Duty Brass
Construction: Heavy-Duty Commercial / Industrial Grade
Color: Black
Certification: cUL Listed
NEMA Designation Molded into Device
Why Choose Main ST Collective Electrical Products?
Main ST Collective electrical products are engineered to provide dependable performance wherever secure, reliable power is required.
Ideal for:
✔ Industrial Equipment
✔ Manufacturing Facilities
✔ Commercial Buildings
✔ Workshops & Garages
✔ Race Trailers
✔ RV Service Equipment
✔ Portable Generators
✔ Temporary Power Distribution
✔ Fabrication Shops
✔ Construction Sites
✔ Agricultural Equipment
✔ Maintenance Departments
✔ Mobile Service Vehicles
✔ Custom Heavy-Duty Power Cords
The twist-lock design provides a secure electrical connection that resists vibration and accidental unplugging, making it ideal for demanding industrial and commercial environments.
Installation Features
• Twist-lock connection provides a secure, vibration-resistant electrical connection
• Easy-to-wire screw terminal assembly
• Heavy-duty brass contacts maximize conductivity
• Commercial-grade construction built for demanding applications
• Designed to resist wear and overheating during continuous operation
Available Pack Sizes
Choose the quantity that best fits your project:
• 1 Pack
• 2 Pack
• 4 Pack
• 6 Pack
• 8 Pack
• 10 Pack
• 12 Pack
• 15 Pack
• 20 Pack
Perfect for individual repairs, contractors, electricians, maintenance departments, fabrication shops, industrial facilities, and commercial inventory.
Common Applications
✔ Industrial Power Distribution
✔ Manufacturing Equipment
✔ Commercial Machinery
✔ Generator Connections
✔ Temporary Power Systems
✔ Race Trailer Electrical Systems
✔ Workshop Equipment
✔ Construction Equipment
✔ Agricultural Facilities
✔ Maintenance Operations
✔ Mobile Service Equipment
✔ Custom Industrial Extension Cords
Package Contents
Quantity selected from the listing variant:
• Main ST Collective NEMA L16-30P Grounding Locking Plug(s)
Available Pack Sizes:
1PK • 2PK • 4PK • 6PK • 8PK • 10PK • 12PK • 15PK • 20PK
Buyer Notes
✔ Verify your electrical application and NEMA configuration before ordering.
✔ Intended for 30A, 480V AC NEMA L16-30P applications.
✔ Always disconnect power before wiring electrical devices.
✔ Installation should comply with all applicable local electrical codes.
✔ Professional installation is recommended for commercial and industrial electrical equipment.
✔ Genuine Main ST Collective product supplied by Main Street Eshop.
