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Relay explained, How to use a relay. Relay automatic switching by 220V for 12V fan
Here in this video I am explaining a relay complete. I will show how to make an automatic fan control switch which will switch on a 12V DC fan in case when the power company 220V will be absent. This circuit will use a commonly available relay for switching. Must watch the video till end to under...
Tags: relay,solid state relay,frame relay,relay defin...
Paano Gumamit ng Relay 24V
Tutorial oh how to use relay using 24V DC
HVAC more about SPST, SPDT and SPNO-SPNC relays
I discuss more about SPST, SPDT and SPNO-SPNC relays.
Attention: Do not try any of what you see in this video at home. It takes at least two years of HVACR schooling to become qualified to learn in the field how to work on heating and air conditioning equipment. Then it takes another three years...