CPA connection line STD 6mm ² / 4m connection cable for potential equalization in accordance with DIN 42,801th Length: 4m, cable cross-section: 6 mm ², Conductor diameter: 3.8mm, green-yellow insulation, mounted at both ends 90 ° angled connector with spring Kontaktlamelle.Buchsen of nickel plated brass with plate of gilded copper alloy hard.