Key card Switch wiring | Hotel Room Key Card Switch wiring

In this video , I have explained about how to do Room Key card switch wiring with Contactor .
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[@muhammadmahrwf1839]

could you put more vidoes about autocad electrical, please?

[@mohdabdulla3300]

❤❤❤ 13:25

[@ibrahimbamidele6446]

What if the card lost what is the solution

[@santoshkumarudandaray1234]

How to repair it please tell me

[@P.a.itachi_]

Bhai aap Hindi hi bol lo but achese samjhaao and yaa you are using mouse too much if you make proper lines then it will be easier to learn more