Product Description
GMC Electrical "STAPERM" Ductile Iron Pipe Coupon with single or double #12 THHN insulated wire.
DESCRIPTION:
- Standard Ductile Iron Pipe Coupon ANSI/AWWA C150/A21.50 pipe material coupon
- 1 cm² (0.155 in²) Exposed Coupon Area
- Perfect for AC corrosion mitigation testing and monitoring