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Posted (edited)

I live in a big condomium, opening up my outlet it turned out that the ground wire didn't go anywhere but is just secured into a drill hole by a big bolt.

I saw a youtube video where a man grounded the socket of an old house simply to the metal socket box in the wall itself, I guess the solution in my room is something similar but it isn't exactly up to standards back home...

I want to connect a pc here soon and don't really trust it. What can I do? I don't think there is any "official" eart wire going out the room and even if there is can it be trusted?

I read something about a simple circuit tester:

circuit-tester1.jpg

Can I use something like this to see if the grounding wire is up to standards? Where can I buy something like this in Thailand? I live in Pattaya.

Is there any way I can create a thrustwrthy ground myself? I don't exactly live on the bottom floor so placing a pole under the ground isn't an option.

Edited by Riandu138
Posted (edited)

If you can find a 220v version of that tester, it would clearly indicate if an active GROUND was present, of if the L/N is wired correctly or reversed.

You should find someone who is certified on electrics to take a look at your main circuit box to verify if it is/isn't grounded. Then see if TWO or THREE wires are run to the outlets.

Edited by RichCor
Posted

So what exactly does it do? What does it test? Does it merely indicate if ground wire is plugged into the outlet or does it test whatever needs to be tested to see if the ground wire is uhm actually "grounded enough"....

No idea how to find a certified electricien in this town, will try. Dammit I need someone who speaks english!

Posted

The graphic you included is also used on a Wikipedia: Receptacle Tester description page.

"An outlet tester can perform the entire array of tests by simply plugging the device into the outlet once and observing the state of the lights."

They are very dumb but consumer safe devices to verify if there is power to a receptacle/outlet, and if all three pins are wired in an operating circuit.

A label on the simple tester shows what the lights on the device should indicate.

socket_tester_us_L.jpg

As the article states, this Receptacle Tester will not correctly indicate if a outlet has a 'bootlegged ground' where the neutral and ground pins have been connected together at the receptacle.

Ways a receptacle tester can mislead (Interpreting 3-Prong Receptacle Testers)

To test the the actual condition of the Ground Circuit or the existence of working Circuit Fault Detection and Interruption requires the assistance of a certified electrician who can risk their life and not yours.

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