UL60950-1 Figure NAF2-3 Accessibility Wedge, Probe Tip Thickness 2mm​

Standard description(UL60950-1 clause F.4.4): 
For HOUSEHOLD / HOME OFFICE DOCUMENT SHREDDERS , a warning statement shall not be used in lieu of construction features that prevent access to hazardous moving parts.                                   Test Finger Probe
For HOUSEHOLD / HOME OFFICE DOCUMENT SHREDDERS , the Following additional compliance criteria apply:
The accessibility probe/wedge illustrated in figures NAF.2 and NAF.3 shall be inserted into each opening in the MECHANICAL ENCLOSURE . A force not exceeding 45 N for strip-cut type HOUSEHOLD / HOME OFFICE DOCUMENT SHREDDERS and not exceeding 90 N for cross-cut
type HOUSEHOLD / HOME OFFICE DOCUMENT SHREDDERS shall be applied to the probe/wedge in any direction relative to the opening. Before application of the accessibility probe/wedge, any MECHANICAL ENCLOSURES or guards that are removable without the use of a tool shall be removed. The probe/wedge shall not contact hazardous moving parts, including shredding rollers/mechanisms.
NOTE It is permissible for the mass of the accessibility probe/wedge to be factored into the overall applied force specified above.

Standard: IEC 62368-1 Figure V.4, UL60950-1 figure NAF.2 and NAF.3 and etc.                                             Test Finger Probe

Application: It is used to test whether the hazardous parts of shredder can be touched by people.

Test sample: Paper shredder

Feature: It is manufactured according to the standard figure.

Parameters:                                         Test Finger Probe

NOTE The thickness of the probe varies linearly, with slope changes at the following points along the probe:

Picture for reference: