Reading voltage across house lines

Use a volt/ohm meter, cheap at big box stores.

In order for us to help, we need more information from you.

I know you are looking for a voltage reading, but where and how much voltage do you expect to see?

based on the post that got erased:

Quote:

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Originally Posted by OP's deleted post

where to read to get voltage- is it white to black or black to ground or ground to white

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Assuming a receptacle or a power feed.

Black to white = 120 V
Black to Ground/green = 120 V
Ground/Green to white ~0V