Electrical connection box

An electrical connection box comprising:

• a housing;
• and
• a busbar attached to the housing,
• wherein the housing includes a shared fuse mounting portion on which at least two fuses including a large fuse and a small fuse of mutually different sizes are to be mounted,
• the fuse mounting portion includes:
• a large input-side fixing portion to which a large input terminal provided on one end of the large fuse is to be fixed;
• a large output-side fixing portion to which a large output terminal provided on another end of the large fuse is to be fixed;
• a small input-side fixing portion to which a small input terminal provided on one end of the small fuse is to be fixed;
• and a small output-side fixing portion to which a small output terminal provided on another end of the small fuse is to be fixed, and
• the small input-side fixing portion and the small output-side fixing portion are arranged between the large input-side fixing portion and the large output-side fixing portion.