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# Main ST Collective NEMA L15-30 Locking Plug
## 30 Amp • 250 Volt • Heavy-Duty Industrial Twist Lock Plug
### Available in 1PK, 2PK, 4PK, 6PK, 8PK, 10PK, 12PK, 15PK & 20PK
Power your equipment with confidence using the **Main ST Collective NEMA L15-30 Locking Plug**. Designed for industrial, commercial, residential, and recreational applications, these heavy-duty twist-lock replacement plugs provide a secure electrical connection that helps prevent accidental unplugging in demanding environments.
Whether you're building generator cords, powering industrial equipment, connecting transfer switches, wiring race trailers, servicing RVs, or repairing shop equipment, these commercial-grade locking plugs deliver dependable performance. Featuring heavy-duty brass terminals, a durable nylon housing, and a clear polycarbonate terminal cover for easy inspection, they're built to provide years of reliable service in challenging conditions.
Available in multiple pack sizes, they're ideal for homeowners, electricians, contractors, maintenance departments, fabrication shops, fleet service, and anyone who regularly builds or repairs heavy-duty power cords.
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# 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, and professional technicians.
Our goal 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.
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# 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 home workshop, installing generator power, maintaining your RV, outfitting a race trailer, servicing industrial equipment, or building custom extension cords, Main Street Eshop has the products you need to keep everything powered safely and reliably.
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# Product Features
✔ NEMA L15-30 Twist-Lock Plug
✔ 30 Amp • 250 Volt Rating
✔ 3 Pole • 4 Wire Grounding Design
✔ Industrial Heavy-Duty Construction
✔ Twist-Lock Design Helps Prevent Accidental Disconnects
✔ Durable Nylon Housing
✔ Heavy-Duty Brass Internal Components
✔ Clear Polycarbonate Terminal Cover for Visual Inspection
✔ Ribbed Housing Provides Secure Grip
✔ Easy Wire Assembly
✔ Secure Terminal Connections
✔ Designed to Resist Overheating
✔ cUL Listed
✔ NEMA Rated
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# Specifications
Product Type: Locking Plug
Configuration: NEMA L15-30
Current Rating: 30 Amps
Voltage Rating: 250 VAC
Poles: 3
Wires: 4
Grounding: Yes
Connection Type: Twist Lock
Housing Material: Heavy-Duty Nylon
Terminal Material: Brass
Terminal Cover: Clear Polycarbonate
Color: Black
Certification: cUL Listed
Commercial / Industrial Grade Construction
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# Why Choose Main ST Collective Electrical Products?
Main ST Collective electrical products are designed to provide dependable performance wherever secure, reliable power is required.
Ideal for:
✔ Portable & Standby Generators
✔ Transfer Switches
✔ Industrial Machinery
✔ Commercial Equipment
✔ Race Trailers
✔ RV Electrical Systems
✔ Campers & Toy Haulers
✔ Pressure Washers
✔ Welders & Welding Equipment
✔ Temporary Power Distribution
✔ Construction Sites
✔ Workshops & Garages
✔ Manufacturing Facilities
✔ Mobile Service Vehicles
✔ Agricultural Equipment
The twist-lock design provides a secure electrical connection that stays engaged in environments where vibration, movement, or heavy use could disconnect a standard plug.
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# Installation Features
• Twist-lock design provides a secure, vibration-resistant connection
• Easy-to-wire screw terminal assembly
• Heavy-duty brass contacts maximize conductivity
• Clear polycarbonate terminal cover allows visual inspection of conductor placement
• Ribbed nylon housing provides a comfortable, secure grip during installation and removal
• Commercial-grade construction resists wear, impact, and overheating
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# 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, fleet service, and commercial inventory.
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# Common Applications
✔ Generator Power Cords
✔ Transfer Switch Connections
✔ Industrial Equipment
✔ Commercial Machinery
✔ Temporary Power Systems
✔ Race Trailer Electrical Systems
✔ RV & Camper Power Applications
✔ Welding Equipment
✔ Pressure Washers
✔ Portable Power Distribution
✔ Shop Equipment
✔ Custom Power Cord Builds
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# Package Contents
Quantity selected from the listing variant:
• Main ST Collective NEMA L15-30 Locking Plug(s)
Available Pack Sizes:
1PK • 2PK • 4PK • 6PK • 8PK • 10PK • 12PK • 15PK • 20PK
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# Buyer Notes
✔ Verify your electrical application before installation.
✔ Intended for 30A, 250V NEMA L15-30 applications.
✔ Always disconnect power before wiring electrical devices.
✔ Installation should comply with all applicable local electrical codes.
✔ Professional installation is recommended where appropriate.
✔ Genuine Main ST Collective product supplied by Main Street Eshop.
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
