Cooper Bussmann Automotive Blade-Type Fuse Holder. Black fuse holder with cover. #16 yellow lead wire, 1-20 fuse amps. In-line fuse holders for ATC Blade-Type fuses. Ratings: Volts: - 32Vdc. Amps: - 80% continuous of fuse rating. Note: A fuse must be properly and fully inserted into the holder to provide a solid connection. Poor or improper insertion of the fuse can result in failure of the fuse and holder, thus not protecting the device for which it was intended.