pcb - 24 VAC and its role in a control board - Electrical Engineeri…
https://electronics.stackexchange.com/questions/565717/24-vac-and-its-role-in-a-control-board
WEBMay 18, 2021 · In general, 24vac is of a low enough voltage to ensure personnel safety, but high enough to perform the necessary work of a control circuit (powering electronics, driving relay …
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