Surges can be caused‎,‎ for example‎,‎ by lightning striking your premises‎.‎ Lightning induces voltage surges in conductors and cables that can damage any connected equipment‎.‎ Also switching in households‎,‎ for example with luroescent lamps and conventional ballast‎,‎ can cause surges in the buildings wiring system‎.‎ Effective protection provides AEG‘s surge protector series‎.‎Protect your sensitive equipment and save standby costs‎.‎ With its Master‎-Slave‎-Function‎,‎ Protect Entertainment is especially suited as protection against power surges for modern home theatres and music systems‎.‎ If the main unit is turned off‎,‎ then the electricity supply of the other peripheral units ‎(‎slaves‎)‎ will be automatically cut off‎.‎ Protect Entertainment also offers surge protection for antenna and network cables‎.‎