Metra PWBL18500 18 Gauge Blue Primary Wire 500 Foot Spool

The Metra PWBL18500 is a 500-foot spool of 18 AWG blue primary wire, designed for automotive, marine, RV, and general 12-volt electrical wiring applications. This flexible, color-coded wire is ideal for running power and ground circuits, speaker wiring, lighting, and other low-current electrical connections throughout a vehicle or vessel.

Key Features:

• Gauge: 18 AWG (American Wire Gauge)
• Color: Blue — easy color-coding for circuit identification
• Length: 500 feet per spool — ideal for professional installers and high-volume use
• Application: Suitable for 12V automotive, marine, RV, and powersports wiring
• Flexible construction for easy routing through tight spaces and panels
• PVC insulation for protection against abrasion, moisture, and heat

The PWBL18500 is a staple for professional car audio installers, auto electricians, and DIY enthusiasts who need a reliable bulk wire supply. Metra Electronics is a trusted name in vehicle integration and installation accessories, and this primary wire meets the demands of everyday electrical installations.