hello, can somebody help please? i have a twin waterproof socket in my garden this is fed from my fuse box which has a rcd , am i right that sockets are 32amp? therefore can i spur off the back of the socket in my garden and connect a 30amp waterproof socket suitable to power a 5kw pool heater drawing 20amps i think? any ideas if this is ok please regards..gb&bbb

