Don’t Get Confused! Difference Between COM–L1–L2 and L1–L11–L12
Автор: Emmasquared Science & Technology
Загружено: 2026-02-12
Просмотров: 17
Описание:
In this practical electrical lesson, I explained the difference between switch terminal labeling systems: COM, L1, L2 and L1, L11, L12.
Many electricians get confused when they see different markings on switches from different manufacturers. In this video, I clarified how these terminals work and why the labeling may change, even though the function remains the same.
In this lesson, you will understand:
The function of the Common terminal
The meaning of L1 and L2
Why some switches use L11 and L12
How to identify the correct terminal before wiring
How to avoid wrong connections
This video is important for electrical students, apprentices, and practicing electricians.
Always switch off power before carrying out any wiring work.
Like, share, and subscribe for more practical electrical training.
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