13a fuse washing machine dishwasher microwave kettle toaster iron.
Mains plug fuse rating.
Rated 4 50 out of 5 9 60.
Manufacturers have now standardised plug fuse ratings to be either 3a or 13a.
For example bottle style fuses distinguish between ratings with different cap diameters.
So if you have a 240 volt heater rated at 3 kw 3000 watts it will have a load of 12 5 amps therefore it requires a fuse rated at 13 amps.
Plugs for appliances rated between about 700 watts and 3000 watts the maximum rating of a wall socket should be fitted with a 13 amp fuse coloured brown.
In practice most bs 546 plugs are unfused with fused versions being unusual and expensive.
Plugs fitted with bs 546 fuses have been optional since the original bs 546 1934 with maximum fuse ratings of 2 a in the 2 a plug and 5 a in the 5 a 15 a and 30 a plugs.
Glass cartridge and plug fuses allow direct inspection of the fusible element.
The 15 ampere a sockets were generally given a dedicated 15 a circuit.
If it s a rewireable type plug and the original fuse size fitted by the manufacturer is not known the recommended method is to use the 700w rule.
For appliances above 700w a 13a fuse should be fitted.
Rhodium plated end caps.
13a rating only.
Automotive glass fuses were made in different lengths to prevent high rated fuses being installed in a circuit intended for a lower rating.
All uk moulded plugs bs1363 must have the fuse rating marked on them.
These are 20mm long to fit inside uk equipment it is important you fit the same fuse rating as per the original fuse.
For an appliance rated as 700w or less a 3a fuse should be fitted.