According to official statistics, short circuits are the most common cause of fire in residential buildings. The most common fire incidents are related to electrical failures and user negligence.
Protection Of Electrical Wiring In The Apartment
Protecting the wires in the apartment includes the use of special equipment installed on the user's side (that is, yourself) to protect a single wire group and all wires as a whole. The main standard for building electricians including residential buildings, we will see plans to use four types of protection devices to protect circuits.
Protection Of Electrical Wiring In The Apartment
• Short circuit protection. Otherwise, when contacting different phases, zero phases, phases, phases and protective conductors of the energized network, it can prevent the formation of overcurrent in the network.
• From short circuit any phase wire to ground;
• Overvoltage, that is, upward voltage surge in the network;
• Due to voltage loss or reduce its nominal value.
For apartment wiring, no one would use all four types of protective equipment, or even provide them. According to this standard, and in practice, a protection device to prevent short circuits (overcurrent) and a protection device to prevent short circuits of working conductors to ground are used in the circuits of apartments.
How to prevent
All matters related to wires in apartments and private homes are the responsibility of the owner. On the balance sheet of the Criminal Law, there are only plots related to the ownership of ordinary houses, and the dividing line is usually electric meter-electric meter.
! The contract with the management company must include the scope and frequency of preventive maintenance necessary for the normal operation of the power system. According to the law, this is at least:
• Regularly check the power system and prepare defective statements-twice a year;
• Eliminate minor faults in electrical equipment, replace and repair plugs, sockets and switches, minor faults in electrical wiring cables;
• Regular preventive maintenance;
• Control and repair the entrance and front hall lighting when necessary;
• Grounding inspection-at least once a year.
Not all management companies are promptly repairing outdated or dilapidated power grids in their subordinate areas. It is best to let the residents of the house realize the problem and jointly seek the necessary preventive measures from the company.
However, most cases happen after the household appliances have burned out, or even worse, after someone suffers.
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