How to check the property and suspect that the owner is stealing electricity, but the lead seal of the electric meter is intact?

Although the lead seal is intact, each lead seal has a specific number. If you suspect that the owner is stealing electricity, you can first check whether there is a code on your lead seal. If 80% of the owners don't steal electricity, they will use the same lead seal to disguise themselves, because the lead seal can only be opened through violent destruction. If there is a code on the lead seal, I think you may need to look for other methods, such as checking the temperature of the electric meter today, checking it again when you go out one day and recording it for a week or two.