Iron Box  |  SKU: IBX-5809-06

L21-30 Extension Cords, 30A, 120/208V, 8/5 SOOW

$72.21
Shipping calculated at checkout.

Our NEMA twist-locking power cords are designed for secure, vibration-resistant connections in demanding environments. Each cord pairs a L21-30P with a L21-30R to ensure safe, stable power delivery for tools, generators, and industrial equipment. Rated, Tested up to 105º C, these cords provide dependable performance in construction, marine, and facility applications. Constructed with 8/5 conductors and a durable SOOW jacket, they combine flexibility with resistance to abrasion, oil, and moisture.

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Shipping & Delivery

All shipping charges are calculated by weight. Freight collect shipping is available upon request.

In-stock items ship same day when ordered before 3:00 pm EST. Drop-ship orders follow the manufacturer's shipping policy. Blind shipping is available upon request.

Ground delivery varies from 1–5 business days depending on your region. Transit times are calculated from the ship date, not the order date.

Freight delivery is required for large or heavy items. Residential deliveries and locations without a dock may incur additional charges — we'll contact you with rates if applicable.

Returns & Refunds

Non-custom items in perfect condition may be returned within 30 days of delivery. A 20% restocking fee applies to all returns.

Note: Custom power cables are built to order and are non-cancelable and non-returnable at time of purchase.

To initiate a return, complete the Return Merchandise Authorization (RMA) form. Credits are issued once the item is received and inspected, and are applied to the original purchase account.

Support

Technical Assistance / Quote Request

Call - 1-800-590-8610
Email - sales@ironbox.com

  • Plug Type
    L21-30P
  • Plug Type
    L21-30P
  • Connector Type
    L21-30R
  • Amperage
    30A
  • Voltage
    120/208V
  • Wire Gauge
    8/5
  • Jacket Type
    SOOW
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