The scope of this European Standard is:- establish a working definition for switches and their constituent parts and identify the main types;- specify the minimum requirements for the manufacture of the switches and/or constituent parts;- specify codes of practice for inspection and tolerances of both full and half sets of switches and their constituent parts;- establish the limits and scope of supply;- list the methods by which switches and their parts should be identified and traced;- list the different and varying ways by which switches can be described using the following parameters:- geometry of the switches;- types of construction;- performance requir