Legal question: Is it illegal to set up a power grid indoors to prevent theft?

You can't. Because theft is a civil act, it is illegal to install a power grid at home to protect personal property.

Only state secret units, military units, prisons, war warehouses and units under strict state protection are allowed to install power grids.

Suggestion: burglar alarm can be installed.

Expansion: installing an anti-theft power grid, electrocuting people constitutes a crime of endangering public safety, and they are sentenced to fixed-term imprisonment of 10 years or more, life imprisonment or death according to law.

Article 115 of the Criminal Law: Whoever sets fire, breaks water, explodes, releases dangerous substances, endangers public safety by dangerous means, sets fire, breaks water, explodes, releases toxic, radioactive, infectious disease pathogens and other substances, or causes serious injuries, deaths or heavy losses of public or private property by other dangerous means, shall be sentenced to fixed-term imprisonment of not less than 10 years, life imprisonment or death.

Whoever negligently commits the crime mentioned in the preceding paragraph shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years; If the circumstances are minor, they shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention.