Boston THHN/THWN stranded copper wire delivers reliable performance for residential and commercial electrical installations. This AWG 12/7 conductor (3.5mm²) features dual insulation rated for both wet and dry locations, making it versatile for indoor wiring, conduit runs, and general-purpose circuits. The 150-meter roll provides ample length for typical projects while the blue color simplifies circuit identification and organization. Stranded construction offers superior flexibility compared to solid wire, reducing fatigue during installation and improving workability in tight spaces. Meets industry standards for safety and durability. Ideal for electricians, contractors, and maintenance professionals seeking quality wire at competitive pricing.