Measuring cable reel ISO-TECH, 50 m. This robust cable reel features a double-insulated 50 m silicone cable, with a shielded 4 mm socket on the reel and a right-angle 4 mm plug at the end of the cable. It is ideal for R2 continuity tests and grounding connections of electrical installations, as well as for other advanced testing requirements. The product complies with the standard EN61010-1 CAT. III, 1000 V. Rated current: 20 V (fully unwound). Resistance: approximately 1 Ω.