Each active device and the numerous accessory components in the network area require a power supply. EFB-Elektronik supplies the required accessories, from power cable to intelligent PDUs (“Power Distribution Units”) in order to safely and reliably supply servers and active components with electrical energy. Country-specific cables are also available as is the securing of highly-available systems by means of locking, pull-out proof cables, electronic monitoring of the voltage supply as well as alarming in the event of any derivation with specified parameters.