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Neutral or no neutral for light switches

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Old 27-06-2020, 08:25 PM   #1
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Neutral or no neutral for light switches

hi everyone,

i'm planning to replace my current light switches with those wireless ones. But not sure if all come with neutral or no neutral.

went online and found some has neutral and some it doesn't.

I stay in a 7-year old HDB flat, and wondering if it come with neutral.

can anyone kindly advise. thx
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Old 28-06-2020, 01:54 PM   #2
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hi everyone,

i'm planning to replace my current light switches with those wireless ones. But not sure if all come with neutral or no neutral.

went online and found some has neutral and some it doesn't.

I stay in a 7-year old HDB flat, and wondering if it come with neutral.

can anyone kindly advise. thx
Unfortunately chances are the HDB flat wiring does not support neutral wire switches.
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Old 28-06-2020, 03:43 PM   #3
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Unfortunately chances are the HDB flat wiring does not support neutral wire switches.
Thanks for the input.

What does neutral do actually. I also found switches without neutral.
Can I use for my flat?

Sent from Binary World using GAGT
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Old 29-06-2020, 01:28 PM   #4
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hi everyone,

i'm planning to replace my current light switches with those wireless ones. But not sure if all come with neutral or no neutral.

went online and found some has neutral and some it doesn't.

I stay in a 7-year old HDB flat, and wondering if it come with neutral.

can anyone kindly advise. thx
Usually house wiring is without neutral wire. Those wireless switch need no neutral wire usually need you to install a capacitor across light or etc. This effectively complete the loop and get some supply for the wireless logic to work.

Caution for using capacitor method. If you happen to have open circuit at neutral wire. You other lighting or load may carries live potential. So becareful.
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