The problem is the lack of enforcement. Most of these workers are not familiar with the law or are reluctant to complain for fear of retaliation. I have personally observed this.
Sort of.
If the system is TNC-S (MEN) there is a link between the INCOMING neutral (that is before the main switch) and the earth bar. But they are not actually connected together. This arrangement is important if an RCBO incomer is used as linking after the incomer will mean the RCBO will not operate correctly (at all).
Our OP is in a condo which is likely TNS with a separate earth running right back to the transformer where the N and E are connected together and to an earth mat. If it's an older building then the N-E link might be at the bus-bars on each floor. Just how it's done varies.
This is how TNC-S (MEN) is implemented in Thailand. Note the routing of the incoming neutral via the earth bar.
Diagram is from this PEA document Groundwire Mk2 book-Manual.pdf my translations.
We swap out the air filter before taking it in for a check up. Bought online for 288 baht from MG, on Shopee https://assets.aseannow.com/forum/uploads/emoticons/cheesy.gif
Took easy to swap, one screw to gain access, as it's being the glove box. Paying whatever the first time 1800 ?, just silly.
Fool me once ... 2nd time it's on me ... NO THANKS For 1500 baht, I can turn a screw and swap it out.
I remember that very clearly there was no willingness or ability to discuss the possibility that severe obesity and a very poor diet had any connection to one susceptibility to a virus which is utterly insane.
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