The junction box for fire alarm systems is designed for connecting fire protection devices in cable installation systems with fire resistance according to the DIN 4102-12 standard, where the uninterruptible power supply or transmission of the signal in case of fire is required. The junction box is designed to Warranty the mechanical ability to keep the cable routes capable of Warrantying the uninterruptible power supply and transmission of telecommunication signals in the fire zone. The junction box can be used for power supply of fire protection equipment, such as ventilators and smoke vents, fire alarm control panels, emergency warning systems, etc.