Thread: 5 Amp Fuses
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Stuart
 
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Default 5 Amp Fuses

On 13 Jan 2004 16:51:41 GMT, (Andrew Gabriel)
wrote:

In article ,
Stuart writes:
Can anyone explain why 5 amp cartridge fuses used in Consumer Units are


BS1361

so expensive compared to 5 Amp fuses used in plugs.


BS1362

Apart from the size I
cannot see what difference there can be in them .


BS1631 fuse has a much higher breaking capacity, as it's next upline
fuse is likely to be much high higher capacity than is the case for
a BS1362 fuse.

If you stick a BS1362 plugtop fuse in a consumer unit and then short
out the lighting circuit, the BS1362 fuse might not be able to break
the resulting high current flow, in which case the 100A main fuse will
be left to do so, which will wreck the lighting wiring and might cause
a fire (much more than 100A will pass).


Thx Andrew for that explanation-better take out the plug fuse which is put
in yesterday and use the proper one .:-)
Stuart

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