Ford Focus MK2 main fuse?

Hi, I have a ford focus MK2 and I think the main fuse might have blown. I have checked all the fuses I can see in the engine fusebox but I am just unable to confirm which fuse is the main fuse. The website below shows a diagram with labels for the fuses.

http://www.autogenius.info/en/ford-focus-mk2-fuse-box-diagram/

If anyone can help out then thank you.

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