Lock Your Fuse Box - securethebeast Lock your fuse box to prevent a thief from cutting your power. An inexpensive padlock is all you need to secure the fuse box outside your home. It's easy to forget that none of the technology in your home will work if a thief switches of your electricity because you didn't lock your fuse box . You can't do much about city-wide blackouts fromAuthor: Aaron Landing How do you lock a fuse box in a residential home - answers The 2005 Ford Focus power lock fuse can be found in the fuse box. The fuse box is located in the engine compartment. The location of the fuse will be listed on the inside cover of the fuse box.