20 July 2013 12:22 am BSTUpdated: 23 July 2013 1:56 am BST
Photo by: Josh Miller/CNET
/ Caption by: Xiomara Blanco
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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.