THHN SOLID 12 BLUE

THHNSOL12BLUEI is a 12 AWG solid blue THHN/THWN copper building wire.

Product description

A single-conductor insulated electrical wire used in conduit/raceway systems for control wiring, identified circuits, and branch circuit applications.

Key specifications

• Type: THHN / THWN building wire
• Wire size: 12 AWG copper
• Conductor type: Solid (SOL)
• Color: Blue
• Voltage rating: 600V
• Insulation: PVC with nylon jacket
• Temperature rating: Typically 90°C dry / 75°C wet
• Installation: Conduit or approved raceway systems

What it’s used for

Common applications include:

• Control circuits (HVAC and electrical panels)
• Switched or traveler conductors
• Phase or circuit identification in conduit runs
• Lighting control wiring
• Equipment interconnections

Why blue?

Blue insulation is commonly used for:

• Identified hot or control conductors
• Traveler wires in multi-way switching circuits
• Phase identification in multi-conductor systems