Supco 25 Foot Single Conductor Wire, 12GA, 450C, Hi-Temp, RP2512NG

Supco® 25-Foot 12GA High-Temp Wire | RP2512NG | Rated 450°C / 842°F

Ensure safe, high-performance wiring in extreme heat environments with this brand-new Supco® RP2512NG high-temperature wire. Designed for commercial and industrial applications, this 25-foot roll of 12-gauge nickel-plated copper wire features mica insulation and is rated for continuous use up to 842°F (450°C).

Product Features:

• 25-foot roll of single conductor wire


• 12 AWG nickel-plated copper core for high conductivity and corrosion resistance


• Mica high-temperature insulation rated to 450°C / 842°F


• Max Amperage: 56A | Max Wattage: 13KW @ 240V / 6.5KW @ 120V


• Voltage Rating: 300V


• Flexible and durable for tight routing in ovens, furnaces, and heating equipment


• Condition: Brand New Unused

Replaces Part Numbers:

N/A Universal high-temp wire for custom applications

Compatible with a wide range of OEM and aftermarket setups. Please verify specs before purchase.

Common Applications:

• Commercial ovens, fryers, and heating elements


• Industrial machinery and high-heat control panels


• HVAC systems, kilns, and thermal sensors


• Ideal for repairs, retrofits, and custom wiring in high-temperature zones

Installation Tips:

• Disconnect power before installation


• Measure and cut wire to desired length using high-temp rated tools


• Use high-temp terminals or ceramic connectors for secure connections


• Avoid sharp bends or abrasion points to preserve insulation integrity

Safety & Compatibility Disclaimer:

This high-temperature wire is intended for use only in environments rated for 450°C or below. Buyer is responsible for verifying compatibility with voltage, amperage, and application requirements. Installation should follow all applicable electrical codes and safety guidelines. Seller is not liable for damage or injury resulting from improper use or installation.

Wire smart. Withstand heat. Power your high-temp projects with Supco® RP2512NG.