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Item specifics
Product Description
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
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