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> Wiring guide : 3 color wire (green, blue,black), Which one neutral, live and earth

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SUSslimey
post Apr 4 2018, 08:36 AM


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q1 : how many rcd or elcb the electrical board has? if 1 then yes, you can loop the neutral from aircon switch.
q2 : not necessary.
q3 : green should be earth that is wrapped with some wire tape to direct connect them together. black one should be neutral that is direct connect with wire tape.

be careful ok. and never assume wire function and phase based on wire color alone. always test before touching. be careful about neutral that is direct connect. sometimes when you separate them, a neutral that is disconnected from the neutral link becomes a live wire. so, you should know what you are doing before proceeding. good luck.
SUSslimey
post May 30 2021, 11:43 AM


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QUOTE(jskhoo @ May 30 2021, 11:27 AM)
Hi, I am facing an issue of identifying which wire color label. I am attempting to upgrade my Storage Water Heater switch to to Sonoff tx wifi smart wall switch. There are three colors Red, Blue & Black.

user posted image

user posted image
Sonoff TX Switch Manual: https://sonoff.tech/wp-content/uploads/2021....2-20210305.pdf

Can anyone help me match the wiring to the diagram please.  icon_question.gif
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you cant use that switch.

max rated output only 2 amp.

water heater takes much more than that.

 

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