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User Manual – Installation for Single Pole Wi-Fi Switches
Model: S01, SS01, SD01, US-SD-KN01, US-SD-TC01
Tech support P a g e | 3 of 3 Feb 2021
https://www.martinjerry.com/support
Figure 3 - Wiring Example of Single Pole
4. FQA:
1. How can I know it is connected correctly?
A: Press/Tap the switch button. It will work well manually after correct wiring.
2. I cannot find the neutral wire in both outlet boxes; Can I still use this switch?
A: No, the neutral wire is necessary for the Smart Switch.
Although old switches do not need a neutral wire, there are spare white neutral wires in common outlet
boxes. Please send us photos of the wires inside the outlet boxes for assistance.
3. How can I find which one is the live (hot) line, which one is load line?
A: Besides the ground wire, there are two wires on your old switch in general:
Use a tester to check which one has power when the old switch is off status;
You can connect them on wifi switch by trial and error;
5. Wiring Examples
Video2: Wiring Example of Single Pole
https://www.youtube.com/watch?v=JbbC_Bvk1Ag
1 -- > Live
2 -- > Load
3 -- > Neutral
NO
YES
1
2
3