Why You Need a Surge Protector. A power strip also known as an extension blockpower boardpower barplug boardtrailing gangtrailing socketplug bartrailer leadmulti-socketmulti-boxmultiple socketmultiple outletpolysocket and by many other variations is a block of electrical sockets that attaches to the end of a flexible cable typically with a mains plug on the other endallowing multiple electrical devices to be powered from a single electrical socket. More-elaborate power strips may use inductor-capacitor networks to achieve a similar effect of protecting equipment from high voltage spikes on the mains circuit. From Wikipedia, the free encyclopedia. Power strips are often used when many electrical devices are in proximity, such as for audiovideocomputer systems, appliances, power toolsand lighting.
Therefore, it is recommended not to connect a surge-protected power strip to a UPS,  but instead to rely solely on surge protection provided by the UPS itself.
Since MOVs degrade somewhat each time they are triggered, power strips using them have a limited, and unpredictable, protective life. Windows Mac iPhone Android. As long as you know to look for surge protection, the product packaging or web product listing makes it easy to avoid plain power strips and find a surge protector. Some also feature a 13A BS fuse in the socket end. Views Read Edit View history. However, there can be problems detecting standby power in appliances that use more power in standby mode such as plasma televisions as they will always appear to the power strip to be switched on.