power strip can include a switch to turn all devices on and off. Some strips can detect one device being turned on or off and turn everything else on or off. Remote control strips also exist to allow a group of devices to be switched remotely. Jiande power strip is a strip of sockets that attaches to the end of a flexible cable and allows multiple devices to be plugged in. As such it can be considered a type of trailing socket though that term is more often used for single and double cable mounted sockets. The term is also used to refer to the complete assembly with the power strip on one end and a plug on the other. Power strips are often used when many electrical devices are in proximity, especially with audio/video and computer systems.
   extension cord power extender, or extension lead is a length of flexible electrical power cable with a plug on one end and one or more sockets on the other end . The extension cord term usually refers to mains extensions but is also used to refer to extensions for other types of cabling. If the plug and receptacle are of different types, the term "adapter cord" may be used. Extension cable is also used, but that has a distinct meaning from extension cord for many people.