Why, according to fire safety rules, cannot be connected simultaneously to the network electrical appliances with a total power

Why, according to fire safety rules, cannot be connected simultaneously to the network electrical appliances with a total power exceeding the calculated one for this circuit? What can this lead to?

It is impossible to simultaneously connect to the network electrical devices with a total power exceeding the design for this circuit. since the amperage can reach high values, the wires will heat up and a fire may occur.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.