Opens in a new tab
Free standard shipping on eligible US orders $500+

Southwire 11579001 14 AWG THHN Solid Copper Wire 500 ft Black

SKU: 11579001
Weight 18 lbs
Dimensions 12 × 12 × 8 in

$172.50

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing
QuantityUnit priceSaving
1–4$172.500%
5–9$163.885%
10+$155.2510%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order.

Bulk quantity & quote

Enter the total quantity you need. We will confirm availability and a quote before you order.

Request this quantity →

Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.

Processing times & shipping information

Southwire 14 AWG THHN Solid Copper Building Wire – 500 ft – Black

The Southwire MFG# 11579001 is a professional-grade 14 AWG THHN solid copper building wire supplied in a 500-foot spool.

Designed for installation in conduit and raceway systems, this wire features durable thermoplastic high heat-resistant nylon-coated insulation (THHN) that provides protection against oil, alkalis, acids, and abrasion.

Key Specifications:

  • 14 AWG solid copper conductor

  • 500 ft spool

  • THHN insulation

  • Black color-coded jacket

  • Suitable for dry locations

  • Rated for branch circuit wiring

  • Oil & chemical resistant insulation

Ideal Applications:

  • Residential branch circuits

  • Commercial electrical installations

  • Panel wiring

  • Conduit systems

  • New construction & remodel projects

Southwire building wire is trusted by professional electricians for dependable performance and code-compliant installations.

Product details

Part / SKU 11579001

Package includes

  • Southwire 11579001 14 AWG THHN Solid Copper Wire 500 ft Black

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.

Explore related products

More products in this category. Compare specifications and fit for your application.