Cable set with various test probes, max. 20 A, 1000 V CAT III. Electrical safety maximum rated voltage 600 V /1000 V Measurement category CAT IV / CAT III maximum rated current 20 A / 20 A Ambient conditions Temperature -20 °C ... + 50 °C Relative humidity max. 90% Altitude above sea level up to 2000 m Pollution degree 2 Meaning of the symbols on the cable set Continuous double insulationCAT III measurements in the building installationCAT IV measurements at the source of the low-voltage installation. (Made in England) 1 pair of double-insulated silicone measuring leads (1.2 m) 1 pair of small test probes 1 pair of crocodile clips 1 pair of clamp hooks 1 pair of North American test probes