Electrical installation 658Electrical installationContents of this chapterThis chapter gives instructions on the installation of the power cables and wiring of controland auxiliary power.SafetyOverview of installation workThe electrical installation includes the following wire and cable connections:• Cables between integrated transformer and drive• Power cables, ground cables• Auxiliary power, control and serial communication cables• Power supply and signal cables for fans in transformer unitWARNING Hazardous voltage!Improper work could lead to life-threatening injury or death.The electrical installation must be carried out by qualified personnel according to thesite and equipment requirements, and the relevant electrical codes.When the electrical installation is completed, the main and auxiliary power supply to thedrive must not be switched on without the consent of the ABB commissioningpersonnel.Take appropriate measures to prevent main and auxiliary power supply from beingswitched on during installation.
