The illuminated and non-illuminated electronic control pushbutton switches of certified quality covered by this detail specification:
a) Mount in a panel hole of either 19.05 mm (.750 inch) square or 19.05 mm (.750 inch) X 28.98 mm (1.141 inch).
b) have a maximum rated voltage of 250 volts.
c) have a maximum rated current of 3 amperes.
Type Designation Switches covered by this detail specification shall be described by the following in the order shown:
a) The designation for the blank detail specification.
b) The number for the detail specification.
c) The type of configuration .
d) The type of lamp .
d) The type of switching circuits .
e) The type of display configuration .
g) The type of display .
h) The colors of the button display .
NOTE ; See Table 1 for code numbers.