The answer to 'why is my surge protector hot to touch' is that a surge protector that is hot to the touch is a sign of a problem. This could indicate the surge protector is overloaded, malfunctioning, or reaching the end of its lifespan. A hot surge protector is a fire hazard and should be addressed promptly.
Surge protectors can get hot for a few common reasons. If you have too many devices plugged into the surge protector, it may be overloaded and unable to properly dissipate the heat. Faulty or damaged internal components can also cause a surge protector to overheat. Over time, the internal protection circuitry in a surge protector can degrade, leading to heat buildup.