THHN SOLID 10 BLACK

THHNSOL10BLACKI is a 10 AWG solid black THHN/THWN copper building wire.

Product description

A single-conductor insulated wire used in conduit and raceway systems for higher-amperage electrical circuits, typically in HVAC, commercial, and residential power distribution.

Key specifications

• Type: THHN / THWN building wire
• Wire size: 10 AWG copper
• Conductor type: Solid (SOL)
• Color: Black
• Voltage rating: 600V
• Insulation: PVC with nylon jacket (heat, moisture, oil resistant)
• Temperature rating: Typically 90°C dry / 75°C wet
• Installation: Conduit or approved raceways only

What it’s used for

Common applications include:

• 30A branch circuits
• HVAC condenser and heat pump power feeds
• Electric water heaters
• Subpanel feeders (short runs)
• General 240V or heavy 120V load circuits

Why black?

Black insulation is used for:

• Ungrounded “hot” conductor (line/phase)
• One leg of 120/240V circuits
• Primary power feed conductors in conduit systems