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Often in the comments under the video I am asked questions about what dry contact is, how it differs from wet contact. What is a normally open (open) contact, and how is it different from a normally closed (closed) contact. As I promised, we will learn a little bit not only in a smart home, but also in various, at first glance, complex things and terms. In this video, we'll talk about dry contact, the principle of operation, why it is needed, and its use in a smart home. We will also analyze normally closed and normally open contacts.
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00:00 - 00:18 Introduction
00:18 - 01:14 Dry contact
01:14 - 01:44 Dry contact example
01:44 - 02:36 Normally open (open) contact
02:36 - 02:52 Normally closed (closed) contact
02:52 - 03:12 NO contact test with light bulb
03:12 - 03:40 NC contact test with light bulb
03:40 - 14:45 Wet contact
#Lesson #Instruction #Contacts #Dry #Wet #NC #NO #Lubops