The answer to 'surge protector gets hot' is that a surge protector getting hot is a sign of an issue that requires immediate attention. This could indicate an overload, faulty wiring, or a problem with the surge protector itself. If your surge protector is getting hot, it's important to unplug it immediately and investigate the cause.
Common causes of a hot surge protector include overloading the device by plugging in too many high-draw electronics, a faulty or damaged surge protector, or an issue with the electrical wiring in your home. Symptoms may also include flickering lights, tripped circuit breakers, or the surge protector making unusual noises. If the surge protector continues to get hot, it's best to stop using it and call a licensed electrician to inspect your electrical system and replace the surge protector if necessary.