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# Main ST Collective NEMA L15-20P Locking Plug
## 20 Amp • 250 Volt • Heavy-Duty Industrial Grade
### Available in 1PK, 2PK, 4PK, 6PK, 8PK, 10PK, 12PK, 15PK & 20PK
Power your equipment with confidence using the **Main ST Collective NEMA L15-20P Locking Plug**. Engineered for industrial, commercial, and heavy-duty applications, this twist-lock plug provides a secure electrical connection that helps prevent accidental disconnects in demanding environments.
Whether you're building generator cords, powering industrial machinery, wiring race trailers, servicing RV electrical systems, or maintaining shop equipment, this commercial-grade locking plug is built for dependable performance. The durable nylon housing, heavy-duty brass terminals, and locking design provide reliable power delivery while standing up to harsh jobsite and workshop conditions.
Available in multiple pack sizes, these locking plugs are ideal for homeowners, electricians, contractors, maintenance departments, fabrication shops, fleet service, and anyone who regularly builds or repairs industrial 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 mission is simple—to provide dependable, commercial-quality products that deliver reliable performance in real-world applications. From electrical connectors and shop supplies to automotive hardware and workshop essentials, Main ST Collective products are selected for durability, quality, 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, powering commercial equipment, maintaining your RV, outfitting a race trailer, connecting a generator, or servicing industrial machinery, Main Street Eshop has the products you need to keep everything operating safely and reliably.
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# Product Features
✔ NEMA L15-20P Twist-Lock Plug
✔ 20 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
✔ 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 L15-20P
Current Rating: 20 Amps
Voltage Rating: 250 VAC
Poles: 3
Wires: 4
Grounding: Yes
Connection Type: Twist Lock
Housing Material: Heavy-Duty Nylon
Terminal Material: Brass
Color: Black
Certification: cUL Listed
NEMA Designation Molded Into Device
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 reliable power is required.
Ideal for:
✔ Industrial Equipment
✔ Commercial Buildings
✔ Workshops & Garages
✔ Race Trailers
✔ Enclosed Cargo Trailers
✔ RV Electrical Systems
✔ Portable & Standby Generators
✔ Manufacturing Equipment
✔ Shop Machinery
✔ Construction Sites
✔ Farm Equipment
✔ Fabrication Shops
✔ Mobile Service Vehicles
✔ Maintenance Facilities
The locking design helps maintain a secure electrical connection where vibration or movement could otherwise loosen a standard plug.
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# Installation Features
• Twist-lock connection provides secure engagement
• Easy-to-wire screw terminal connections
• Heavy-duty brass contacts for maximum conductivity
• Ribbed nylon housing improves 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, maintenance departments, electricians, fleet service, fabrication shops, and commercial inventory.
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# Common Applications
✔ Generator Power Cords
✔ Industrial Machinery
✔ Commercial Equipment
✔ Race Trailer Electrical Systems
✔ RV Power Applications
✔ Manufacturing Facilities
✔ Portable Equipment
✔ Shop Tools
✔ Construction Equipment
✔ Agricultural Equipment
✔ Fabrication Projects
✔ Custom Industrial Power Cords
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# Package Contents
Quantity selected from the listing variant:
• Main ST Collective NEMA L15-20P 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 20A, 250V NEMA L15-20 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).
