Not all splitters are surge protectors, but most surge protectors are splitters (though single outlet surge protectors do exist). It is likely that when OP sai

Not all splitters are surge protectors, but most surge protectors are splitters (though single outlet surge protectors do exist). It is likely that when OP said "surge protector", they meant something like this: https://imgur.com/qHR9UFu https://imgur.com/qHR9UFu