18 July 2012 6:37 am BSTUpdated: 18 July 2012 6:47 am BST
Photo by: Screenshot by Steven Musil/CNET
/ Caption by: Steven Musil
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How well do you know your surge protector?
Whether you're looking to add more outlets, or want to add a layer of protection between your gear and the outside world, here's what you need to know.