[[ CORRECTION: L-N should be N-G or N-E. My mistake. ]]

I live on the ground floor of an apartment building in India. Standard Indian wall voltage is 220V AC. I'm about 5 meters from the circuit breaker box (CBB) down the hall. This CBB only handles the ground floor. Next to the CBB is another electrical box that (I think) is a distribution panel (I'm not an electrician so I'm not sure). If needed I can take pics of the boxes and post them.

When I plug my grounded socket tester in to my grounded wall receptacle, I get about 4.3V Line-Neutral. (My socket tester has a nice LED screen showing all the details.) The socket tester says the connections are correct.

I have an old heavy VGuard 500VA voltage stabilizer (VS) with a ground pin. So I plug the VS into the wall and my socket tester into the VS. At the VS output the socket tester reads about 6V Line-Neutral.

Do these L-N voltages seem safe? Or are the L-N voltages high?

What other details you need?

  • Pictures of everything involved will definitely help.
    – FreeMan
    Commented Oct 24, 2022 at 12:04
  • Maybe some details about the socket tester. A plain voltage meter/tester will read full voltage between L-N and L-G(220v) if things are right. Your tester might be reading leakage or something.
    – crip659
    Commented Oct 24, 2022 at 12:54
  • You should be seeing L-N (and L-G) voltages more like 220-230V. Is the outlet controlled by a switch that’s off?
    – nobody
    Commented Oct 24, 2022 at 13:20

1 Answer 1


Are you sure you're reading that right? You should be getting about 220V Line to Neutral, about 220V Line to Ground, and something close to 0V Neutral to Ground.

I could believe 4.3V Neutral to Ground. It's not ideal, but not actually dangerous.

  • Thanks. This is helpful and gives me good context.
    – Advait
    Commented Oct 26, 2022 at 1:53

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