The cut-off cross-section of the cable is standardized in all countries. This applies to both the CIS countries and Europe. This issue is regulated in our country by the document “Rules for the Construction of Electrical Installations,” which are called PUE. Calculation of cable cross-section according to power is selected according to

A circuit breaker (BA) is a device capable of turning off electricity to consumers without human intervention in the event of an overload or short circuit in order to protect the electrical circuit from further destructive consequences