Carbon Steel Coupon with Twin THHN Wires, Red, 35ft

The Carbon Steel Coupon with Twin THHN Wires, Red, 35ft is designed for corrosion monitoring and cathodic protection applications. Manufactured from AISI 1018 carbon steel (ASTM A108, AMS5069), it provides 10 cm² (1.55 in²) of exposed metal for accurate corrosion testing. The coupon includes two 35-foot #12 AWG stranded copper THHN-insulated wires in red, with one wire serving as a spare for added reliability. Built for durability and consistent performance, this coupon is ideal for pipeline, tank, and underground structure corrosion monitoring programs.

Key Features:

• AISI 1018 carbon steel construction
• 10 cm² (1.55 in²) exposed metal surface
• Twin 35ft #12 AWG stranded copper THHN wires
• Red insulation for easy identification
• Suitable for cathodic protection and corrosion monitoring applications

Includes twin cables with #12 AWG (4 mm²) stranded copper wire and THHN insulation.

Insulation color options:

• Green
• Purple
• Yellow
• Red
• Blue

Wire length options:

• 25 feet
• 35 feet
• 50 feet

Documents

Specifications:

•  Product Spec PDF

Brochures:

•  Coupon 2018 Catalog Brochure
•  Coupon Double Page Illustrative Brochure