Fuses, Flashers & Relays

American glass cartridge fuses came in two families: SFE (length varies with rating) and AGC (fixed length). Blade-type (ATO/ATC) fuses appeared in the late 1970s.

Blade Fuse (ATO/ATC) Colors

Register free to view the full SFE/AGC glass-fuse length chart, all blade-fuse ratings, and flasher/relay reference.