Durite colour-coded JCASE cartridge fuses from Arc Components Ltd. Cartridge-style straight automotive fuses are designed to plug into modern compact vehicle fuse boxes. The female terminal-based plug-in fuse is fitted on many Japanese make cars as a compact fuse option and promotes an easy-to-understand fuse box layout. The fuse range sold in single-pack quantities includes 20A, 30A, 40A, 50A and 60A versions.