Photo switch wiring tutorial(With contactor & without it)

In this video, we want to teach how to wire a photocell.
A photocell is a light switch that is activated at night and inactive during the day.
By using photocell, you can turn the lamps on and off automatically.
This is very practical and is used both in homes and in industry.
This video explains the complete details of someone's wire with and without contactors.
Each method is used for a specific situation.
All electricians should know both wiring methods.

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I , really like you videos and thanks in sharing the electric knowledge to us .