THHN Wire 12 ga. Stranded Black – 50 ft.

Equip your next electrical project with this high-performance 12 AWG THHN wire. Featuring a stranded copper conductor and durable nylon insulation, it delivers reliable conductivity and flexibility for installations in conduit, cable trays, branch circuits, and feeders. Rated for 600 V and 90 °C, this black THHN wire stands up to demanding environments—whether you’re wiring residential panels, commercial buildings, or industrial equipment.

Designed for smooth pulls and snug fits, the thermoplastic high-heat-resistant nylon (THHN) jacket resists abrasion, moisture, chemicals, and oil. Its flexible stranded construction simplifies routing through bends and tight spaces, while UL listing ensures compliance with electrical codes. Ideal for indoor, dry locations and approved for a wide range of applications, this 50-foot spool is a must-have for contractors, electricians, and DIY enthusiasts.

Key Features

• Length: 50 ft
• Gauge: 12 AWG (American Wire Gauge)
• Conductor Type: Stranded copper
• Insulation: THHN (thermoplastic high-heat-resistant nylon)
• Voltage Rating: 600 V
• Temperature Rating: 90 °C (dry locations)
• Color: Black
• UL Listed for commercial, industrial, and residential use