Protecting the circuit is a key measure to ensure the stable operation of the meter box and its connected external circuits. Here are some effective strategies aimed at preventing the impact of external circuit failures on the meter box:

Adopting overload protection device: Install an overload protector at the input end of the meter box to monitor the current level. Once it exceeds the set threshold, the power will be automatically cut off to prevent circuit damage or fire caused by excessive current.

Set up short-circuit protection: Install short-circuit protectors in the circuit to quickly cut off the faulty circuit when a short circuit occurs, avoiding damage to the meter box and adjacent circuits caused by short-circuit currents.

Strengthen insulation protection: Ensure that the meter box and its internal components have good insulation performance, reducing the risk of leakage caused by moisture, aging, and other reasons.

Lightning protection design: Install lightning arresters at the entrance of the meter box to prevent lightning waves from entering and protect the circuit from lightning damage.

Regular inspection and maintenance: Regularly inspect the meter box and its external circuits to promptly identify and address potential safety hazards, ensuring that the circuits are always in good condition.

Use high-quality components: Select reliable electrical components and wires to reduce circuit problems caused by component failures.

By implementing the above measures, the safety and stability of the meter box and its external circuits can be significantly improved, effectively preventing the occurrence of external circuit failures.