IEC Standard Articulated test probe is a precision test probe made according to Figure 2 (Fig. 2) of the IEC 61032 (test probe b) and is used to simulate a human finger. It is also used by the standards of CSA, IRAM, UL. IEC 60335, IRAM 4220-1 and in most of the rules involved in the verification of ccessibility to live parts.