Plug Fuse Box Cover Unit - The Home Depot A 2-1/4 in. box cover unit, with switch, for a maximum 1/2 HP motor size. Provides a low cost method of controlling and protecting small motors when used with Bussmann Type T, Fusetron dual element fuses.Brand: Cooper BussmannPrice: 8 17 Best Fuse Box Ideas images | Covered boxes, Box covers Explore Nikki Sivils's board "Fuse Box Ideas", followed by 975 people on Pinterest. See more ideas about Covered boxes, Box covers and Decor ideas. Discover recipes, home ideas, style inspiration and other ideas to try. A board by Nikki Sivils. Decorative fuse box covers home.