A surge protector is a type of electrical socket that  believe it or not protects your device from a surge. They use a specialized circuit that redirects spikes of electricity right into the ground without going through the electrical device.Are your night lights taking up all your outlet space. Here's your solution. This  surge protector wall tap that  only features two outlets.The surge light should be illuminated. This indicates that the surge suppressor is functioning properly. If the light is not illuminated, it indicates that the surge protector has received a catastrophic surge and will need to be replaced.To determine if the internal surge protection components are working normally, look at the Protection Present or Protected LED on the front of the surge protector's casing. If it is illuminated green, your surge protector is ready to go and prepared to protect you when the next power surge occurs.