EN60335-Household and similar electrical appliances Safety —Part 1: General requirements

non-detachable part
part that can only be removed or opened with the aid of a tool or a part that fulfills the test of 22.11

detachable part
part that can be removed without the aid of a tool, a part that is removed in accordance with the instructions for use, even if a tool is needed for removal, or a part that does not fulfil the test of 22.11
NOTE 1 If for installation purposes a part has to be removed, this part is not considered to be detachable even if the instructions state that it is to be removed.
NOTE 2 Components that can be removed without the aid of a tool are considered to be detachable parts.
NOTE 3 A part that can be opened is considered to be a part that can be removed.

accessible part
part or surface that can be touched by means of test probe B of IEC 61032, and if the part or surface is metal, any conductive part connected to it
#NOTE Accessible non-metallic parts with conductive coatings are considered to be accessible metal parts.

live part
conductor or conductive part intended to be energized in normal use, including a neutral conductor but, by convention, not a PEN conductor
NOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.
NOTE 2 A PEN conductor is a protective earthed neutral conductor combining the functions of both a protective
conductor and a neutral conductor.

tool
screwdriver, coin or any other object that may be used to operate a screw or similar fixing means.