How Do Fuses and Fuse Boxes Work? - The Spruce A fuse box is a type of electrical service panel, which is a sort of control board for the entire electrical system of a housee any home built around 1960 or later has a service panel full of circuit breakers, panels in older houses used fuses to provide over-current protection for the household circuits. A fuse box has a series of threaded sockets into which the fuses are screwed in likeAuthor: Bob Formisano *CLOSED**BUSSMAN RTMR FUSE BOX GROUP BUY ENDS SEPT wwwmaworld››Shopping›Group Buys›Closed Group BuysSep 30, 2015Price is $38 shipped to Tacomapros for final packaging with your fuse box. This save you all $2 on the regular price of the panel and $6 on shipping for a total discount of $8. Blanks are $1 each. This price is good for any quantity fuse box ordesr up to 20. If 20 of these are ordered @Iggy. can maybe work another dollar discount or two.