A hotel guest room puts a kettle, a hair dryer and sometimes an iron within reach of the same sockets, and a 13A socket carries only about 2,990W. This guide works out the hotel room power load for real Corby products using their datasheet wattages and the RoSPA overload limits: which pairs fit, which break the limit, and a worked example for a guest floor at the morning peak. It lists Corby kettle, hair dryer and steam iron prices checked on 29 October 2026.