Choose the correct statement, according to the text.

c) The power cables should be unplugged when we remove a device fromthe system.

When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before signal cables are connected. If possible, disconnect all pówer cables from the existing system before youi add a device. Thsi means that before adidng sometghing new to the arrayed system, care should be taken to disconnect any cable form the power jack else the user puts himself at risk of being
electrocuted and what's worse, the whoel equipment could be rendered useless due to erratic behaviour and subsequently trashed.