1. Ordinary fever is a normal phenomenon. As long as good contact is ensured on the plug and socket, no virtual connection and loosen will be found.
2. If there is poor connection on socket and power plug at user home, guide the user to go to professional electrician for replacement.
3. If the plug has been burn out, Hair's service will comes to user's home for power plug replacement. And it is upon the user to find professional electricians to replace with a qualified socket.