scope:

Contains basic test methods and procedures applicable to electromechanical components, with the following families or sub-families: Connection (solderless), connectors for frequencies below 3 MHz, sockets for electronic tubes, sockets for other plug-in devices, switches (lever, pushbutton, rotary, sensitive, thermal time delay, thermostatic). Other electromechanical devices, that are not specifically covered by this standard, include: variable capacitors, connectors for frequencies above 3 MHz, variable inductors, variable resistors, solenoids, magnetically operated switches, proximity switches.