Important notes for users in the UK. Mains plug Thad apparatus is fitted with an approved 13 Amp plug. To change a fuse in this type of plug proceed as follows; 1 Remove fuse cover and fuse. 2 Fix new fuse which should be a BS1362 5 Amp, AS.TA or BSt approved type 3 refit the fuse cover. 1 the fitted plug is not suitable for your socket outlets, it should be cut off and an appropriate plug fitted in its place. i the mains plug contains a fuse, this should have a value of 5 Amp.