

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The SOUTHWIRE 11587301 is a 12 AWG solid copper building wire rated for THHN and THWN applications at 600 volts and 20 amps. The conductor is insulated with thermoplastic and jacketed with nylon, producing a durable, black-jacketed wire suited for both dry and wet locations. Each spool contains 500 feet of solid, single-strand wire. Electricians use this wire for branch circuit wiring in residential and light commercial construction where NEC-compliant 20-amp circuits are required. The wire carries a maximum operating temperature of 194 degrees F, making it appropriate for conduit runs through unconditioned spaces.
This wire is commonly pulled through EMT, rigid metal conduit, PVC conduit, and similar raceway systems in new construction, renovation, and service upgrade projects. It is suitable for residential panel feeders, outlet and switch circuits, and general-purpose 20-amp branch circuits. The black jacket color aids in phase and circuit identification during rough-in and inspection. Licensed electricians and apprentices working under NEC guidelines will encounter this wire type on nearly every commercial and residential job site.
Designed for use in conduit and raceway systems where THHN or THWN-rated wire is specified. Suitable for 20-amp branch circuit wiring in residential and light commercial installations per NEC requirements.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize and lock out the circuit or panel before making any connections. Use appropriate wire-pulling lubricant when routing through conduit to avoid jacket damage. Verify conduit fill calculations before pulling multiple conductors into the same raceway.
Thanks for subscribing!
This email has been registered!