This 18 AWG marine-grade primary wire features a white jacket with a black stripe for quick and accurate circuit identification in complex wiring systems. Constructed with 100% stranded tinned copper, it offers exceptional corrosion resistance, superior conductivity, and high flexibility for tight routing in automotive, RV, trailer, and marine electrical installations. The flame-retardant PVC insulation is resistant to oil, fuel, solvents, and moisture, and the wire is rated for high-voltage use up to 600V.

Specifications & Features

• Gauge: 18 AWG
• Stranding: 16/.010
• Nominal OD: 0.114″
• Conductor Material: Stranded tinned copper
• Color: White with black stripe
• Voltage Rating: 600V (high voltage)
• Temperature Rating: 105C (221F)
• Insulation Type: Flame-retardant PVC
• Certifications: UL, CSA, MTW, TEW, AWM, 1015/1230/1345 U
• Highly resistant to oil, grease, gasoline, moisture, and corrosive chemicals
• Flexible construction enables easy installation in wire looms and tight spaces
• Suitable for high-voltage 12V, 24V, and 48V DC systems in mobile and marine environments
• Made in USA

Application Notes

This wire is ideal for primary power distribution, lighting, switch panels, and instrumentation in both marine and land-based electrical systems. The striped insulation enhances traceability in complex harnesses, while the tinned copper strands offer excellent performance in corrosive or high-humidity environments.