Common specifications of household cables include 1.5 square, 2.5 square, 4 square, 6 square and 10 square, which are mainly used in different electrical equipment and household circuits.
1.5 square millimeter wires are usually used for lighting circuits, such as lamps and single-way lighting fixtures.
2.5 square millimeter wires are suitable for ordinary socket circuits, such as household appliances such as TVs, refrigerators, washing machines, etc.
4 square millimeter or thicker wires are used for high-power appliances, such as air conditioners, electric water heaters, etc., to ensure sufficient current carrying capacity.
6 square millimeter or thicker wires are used for large appliances such as central air conditioners, which require a larger cross-sectional area to ensure safe and stable operation.
The selection of these specifications is based on the load current and safety factor of the appliance to ensure the safe and stable operation of the household circuit.