Black Push Button Switch 12/16/19/22mm Waterproof illuminated Led Light Metal Flat Momentary Switches with power mark 5V 12V 24V

Very important: Connectors are purchased separately

1.What does the signal “NC” and “NO” means?

“A” “+”: positive pole of the led “LED” ” – “: negative pole of the led ” NC “: Normal Close ” NO “: Normal Open ” C ” : Common

2.How to connect?

1.Connect ” NO ” and ” C ” : The circuit is alway open unless press the button. 2.Connect ” NC ” and ” C ” : The circuit is alway close unless press the button.

3.Will I get a seal ring for each button?

Yes,each button will have a free seal ring